Which is better for enterprises: Progress Agentic RAG or Voiceflow?

Progress Agentic RAG offers SOC 2 compliance for enterprise security. HIPAA compliance is available in Voiceflow. For scalability, both offer cloud-based deployment options. Voiceflow leads with 90/100 enterprise readiness score (88/100 enterprise features).

How much does Progress Agentic RAG cost vs Voiceflow?

Progress Agentic RAG starts at $700/monthly (paid model), while Voiceflow begins at $40/monthly (freemium model). Voiceflow provides a free tier. This represents a significant price difference of $660/month. See our detailed pricing breakdown for complete tier comparisons.

Can I migrate from Progress Agentic RAG to Voiceflow?

Migration from Progress Agentic RAG to Voiceflow typically requires API-based data export/import, which Voiceflow provides. Voiceflow provides comprehensive API access excellent documentation for the migration process. Estimated migration time: 1-2 days for cloud setup. Contact Voiceflow support for migration assistance and best practices.

What integrations do Progress Agentic RAG and Voiceflow support?

Progress Agentic RAG integrates with Python SDK: pip install nuclia (Python 3.8+, ~21K weekly downloads), JavaScript/TypeScript SDK: @nuclia/core (React, Next.js, Angular, Vue.js, Svelte), CMS plugins: WordPress, Strapi, Workflow: Pipedream official app, Zapier API-compatible, Chrome extension for web page indexing (7 integrations total). Voiceflow supports Zendesk, Salesforce, HubSpot, Intercom, Slack (15 integrations available). Both offer REST APIs for custom integrations. Voiceflow provides 114% more integrations, with webhook support for real-time data sync.

What are the main differences between Progress Agentic RAG and Voiceflow?

Progress Agentic RAG offers strong capabilities, scoring 0/100 in user ratings. Voiceflow provides unique strengths with 0/100 overall rating. Key technical difference: Progress Agentic RAG focuses on advanced features while Voiceflow emphasizes specialized capabilities.

Which is better for enterprises: Progress Agentic RAG or Voiceflow?

Both platforms provide enterprise-grade security. HIPAA compliance varies - contact vendors for details. For scalability, both offer cloud-based deployment options. Voiceflow leads with strong/100 enterprise readiness score.

How much does Progress Agentic RAG cost vs Voiceflow?

Progress Agentic RAG starts at custom pricing/month (subscription model), while Voiceflow begins at contact sales/month (subscription model). Both require paid plans. Pricing is relatively comparable. See our detailed pricing breakdown for complete tier comparisons.

Can I migrate from Progress Agentic RAG to Voiceflow?

Migration from Progress Agentic RAG to Voiceflow typically requires manual data transfer since API access may be limited. Voiceflow offers standard documentation for the migration process. Estimated migration time: 1-2 days for cloud setup. Contact Voiceflow support for migration assistance and best practices.

What integrations do Progress Agentic RAG and Voiceflow support?

Progress Agentic RAG integrates with (multiple platforms). Voiceflow supports (various tools). API availability varies by plan. Integration coverage is comparable.

Progress Agentic RAG vs Voiceflow

Q: What are the main differences between Progress Agentic RAG and Voiceflow?

Progress Agentic RAG excels in Proprietary REMi v2 model (30x faster inference) addresses hallucination problem with continuous quality monitoring - differentiated capability absent from most competitors and Open-source NucliaDB transparency (710+ GitHub stars) with managed infrastructure removes operational burden while maintaining technical visibility, scoring 82/100 in user ratings with N/A% accuracy. Voiceflow leads in Visual workflow builder enables non-technical teams to build complex agents and Real-time collaboration features rival Figma - 10+ people editing simultaneously with 90/100 overall rating and 88% accuracy. Key technical difference: Progress Agentic RAG focuses on REMi evaluation model v2 (Llama 3.2-3B) for continuous quality scoring: answer relevance, context relevance, groundedness, correctness (0-5 scale) while Voiceflow emphasizes Visual workflow canvas with drag-and-drop blocks. Pricing differs by $660/month.

Make an informed decision with our comprehensive comparison. Discover which RAG solution perfectly fits your needs.

More about Voiceflow More about Progress Agentic RAG Get Started Today

Priyansh KhodiyarDevRel at CustomGPT.ai

Fact checked and reviewed by Bill Cava

Published: 01.04.2025Updated: 25.04.2025

In this comprehensive guide, we compare Progress Agentic RAG and Voiceflow across various parameters including features, pricing, performance, and customer support to help you make the best decision for your business needs.

Overview

When choosing between Progress Agentic RAG and Voiceflow, understanding their unique strengths and architectural differences is crucial for making an informed decision. Both platforms serve the RAG (Retrieval-Augmented Generation) space but cater to different use cases and organizational needs.

Quick Decision Guide

Choose Progress Agentic RAG if: you value proprietary remi v2 model (30x faster inference) addresses hallucination problem with continuous quality monitoring - differentiated capability absent from most competitors
Choose Voiceflow if: you value visual workflow builder enables non-technical teams to build complex agents

About Progress Agentic RAG

Progress Agentic RAG Landing Page Screenshot

Progress Agentic RAG is enterprise application development and deployment platform. Enterprise RAG-as-a-Service platform launched Sept 2025 following Progress Software's acquisition of Barcelona-based Nuclia. Combines SOC2/ISO 27001 security with proprietary REMi evaluation model for continuous answer quality monitoring. Built on open-source NucliaDB (710+ GitHub stars) with Python/JavaScript SDKs. Starting at $700/month. Founded in 2019 (Nuclia), acquired 2025, headquartered in Barcelona, Spain (Nuclia) / Bedford, MA, USA (Progress), the platform has established itself as a reliable solution in the RAG space.

Overall Rating

82/100

Starting Price

$700/mo

About Voiceflow

Voiceflow is collaborative ai agent building platform for teams. Voiceflow is a collaborative workflow-first platform for building, deploying, and scaling AI agents. Born from Alexa skill development (2017-2019), it evolved into a full-stack agent platform with visual canvas design, function calling, and enterprise-grade observability. Used by Mercedes-Benz, JP Morgan, and 200K+ teams. Founded in 2017, headquartered in Toronto, Canada, the platform has established itself as a reliable solution in the RAG space.

Overall Rating

90/100

Starting Price

$40/mo

Key Differences at a Glance

In terms of user ratings, Voiceflow in overall satisfaction. From a cost perspective, Voiceflow offers more competitive entry pricing. The platforms also differ in their primary focus: Enterprise Software versus AI Agent Platform. These differences make each platform better suited for specific use cases and organizational requirements.

⚠️ What This Comparison Covers

We'll analyze features, pricing, performance benchmarks, security compliance, integration capabilities, and real-world use cases to help you determine which platform best fits your organization's needs. All data is independently verified from official documentation and third-party review platforms.

Detailed Feature Comparison

Progress Agentic RAG	Voiceflow	CustomGPTRECOMMENDED
Data Ingestion & Knowledge Sources
60+ Document Formats – PDF, Word, Excel, PPT, email with auto parsing Multimedia Processing – Auto speech-to-text, video transcripts, OCR for scans Cloud Connectors – SharePoint, Confluence, OneDrive, Google Drive, S3 Fast Deployment – 2-hour initial ingestion, 48-hour full deployment ⚠️ Missing – No Dropbox, Notion, or YouTube transcript integration	Knowledge Base (KB) – RAG-powered retrieval: PDF, Word, CSV, plain text uploads Website crawling – Sitemap ingestion, auto-sync Google Drive, Notion, Confluence, Zendesk (Pro+) ✅ No explicit document limits, scales by storage tier ⚠️ Accuracy concerns – Reviews cite KB "often inaccurate" and "too general"	1,400+ file formats – PDF, DOCX, Excel, PowerPoint, Markdown, HTML + auto-extraction from ZIP/RAR/7Z archives Website crawling – Sitemap indexing with configurable depth for help docs, FAQs, and public content Multimedia transcription – AI Vision, OCR, YouTube/Vimeo/podcast speech-to-text built-in Cloud integrations – Google Drive, SharePoint, OneDrive, Dropbox, Notion with auto-sync Knowledge platforms – Zendesk, Freshdesk, HubSpot, Confluence, Shopify connectors Massive scale – 60M words (Standard) / 300M words (Premium) per bot with no performance degradation
Integrations & Channels
Python SDK – 21K weekly downloads, Python 3.8+ support JavaScript/TypeScript SDK – React, Next.js, Angular, Vue, Svelte support Progress Ecosystem – OpenEdge database, Sitefinity CMS integration ⚠️ No Messaging Channels – No native Slack, WhatsApp, Teams integrations	15+ native integrations – Zendesk, Salesforce, HubSpot, Intercom, Slack, Teams, Freshdesk Messaging & voice – WhatsApp, SMS, Alexa, Google Assistant, custom telephony E-commerce – Shopify, Stripe, Zapier, Make.com (5000+ apps), Calendly ✅ Custom integrations via unlimited HTTP API blocks, webhooks, iOS/Android SDKs	Website embedding – Lightweight JS widget or iframe with customizable positioning CMS plugins – WordPress, WIX, Webflow, Framer, SquareSpace native support 5,000+ app ecosystem – Zapier connects CRMs, marketing, e-commerce tools MCP Server – Integrate with Claude Desktop, Cursor, ChatGPT, Windsurf OpenAI SDK compatible – Drop-in replacement for OpenAI API endpoints LiveChat + Slack – Native chat widgets with human handoff capabilities
Core Chatbot Features
AI Search & Answers – Semantic search with source-linked trusted answers Multi-Turn Conversations – Context-aware dialogue maintains conversation history Multilingual Support – Nuclia multilingual embedding model handles multiple languages ⚠️ Missing – No lead capture or human handoff workflows	Visual workflow canvas – 50+ drag-and-drop blocks (text, cards, buttons, forms, APIs) Multi-turn conversations – Context preservation across sessions with full transcript logging Agent handoff – Multi-agent routing, human handoff with context transfer 100+ languages – Intent recognition, entity extraction, slot filling via NLU ✅ Analytics dashboard: sessions, users, completion rates, drop-offs, A/B testing	✅ #1 accuracy – Median 5/5 in independent benchmarks, 10% lower hallucination than OpenAI ✅ Source citations – Every response includes clickable links to original documents ✅ 93% resolution rate – Handles queries autonomously, reducing human workload ✅ 92 languages – Native multilingual support without per-language config ✅ Lead capture – Built-in email collection, custom forms, real-time notifications ✅ Human handoff – Escalation with full conversation context preserved
Core Agent Features
Retrieval Agents – Autonomously select optimal retrieval strategies per query Pre-Built Agents (Beta) – Labeler, summarization, graph extraction, Q&A, safety Web Components – <nuclia-search-bar> and <nuclia-chat> for embedding ⚠️ No Proactive Alerts – Monitoring exists but alerting undocumented	Agent step (2024) – Autonomous AI with tool use, decision-making, KB access Multi-agent orchestration – Supervisor pattern connecting specialized agents for conversation aspects Hybrid architecture – Hard business logic + Agent networks for flexibility Human handoff – Smooth transitions with full history transfer to support/sales Lead capture & CRM – Auto-create in HubSpot/Salesforce/Pipedrive, update deal stages	Custom AI Agents – Autonomous GPT-4/Claude agents for business tasks Multi-Agent Systems – Specialized agents for support, sales, knowledge Memory & Context – Persistent conversation history across sessions Tool Integration – Webhooks + 5,000 Zapier apps for automation Continuous Learning – Auto re-indexing without manual retraining
Additional Considerations
✅ REMi Quality – 30x faster v2, continuous evaluation addresses hallucination ✅ Open-Source Trust – NucliaDB 710+ stars enables security audits ⚠️ Recent Acquisition – June 2025 Progress purchase, platform transitioning	Workflow-first platform – Excels complex workflows, KB accuracy lags RAG specialists Best use case – Multi-step API orchestration, team collaboration; NOT document Q&A ⚠️ Steep learning curve – Weeks onboarding despite visual interface ⚠️ Visual canvas overwhelm – Complex agents (100+ blocks) difficult to manage ⚠️ Pricing escalation – Per-seat/agent fees escalate beyond base costs quickly ⚠️ SOC 2 Enterprise-only – No SLA guarantees on lower tiers	Time-to-value – 2-minute deployment vs weeks with DIY Always current – Auto-updates to latest GPT models Proven scale – 6,000+ organizations, millions of queries Multi-LLM – OpenAI + Claude reduces vendor lock-in
Customization & Branding
Prompt Lab – Test LLMs side-by-side using actual customer data 30+ RAG Parameters – Custom chunking, context size, hybrid search weighting Widget Customization – Visual editor for filters, metadata, thumbnails, answer modes RBAC – Account and Knowledge Box level permissions with SSO	Visual widget editor – Custom colors, logos, fonts, button styles, bubble positioning White-labeling – Remove branding (Team+), custom domains (Pro+), CSS injection ✅ Dynamic personalization via user attributes, multi-channel customization, configurable tone/prompts	Full white-labeling included – Colors, logos, CSS, custom domains at no extra cost 2-minute setup – No-code wizard with drag-and-drop interface Persona customization – Control AI personality, tone, response style via pre-prompts Visual theme editor – Real-time preview of branding changes Domain allowlisting – Restrict embedding to approved sites only
L L M Model Options
7 Providers – Anthropic, OpenAI, Google, Meta Llama, Mistral, Cohere Nuclia Private GenAI – 100% data isolation for maximum security Model Switching – Change providers without architectural changes	Multi-model support – GPT-4, GPT-3.5, Claude, Gemini per agent/step configuration Function calling – GPT-4/Claude support with custom model API integration Prompt controls – System prompts, few-shot examples, temperature/token controls per request ✅ Cost optimization via model routing, RAG auto-augments LLM prompts	GPT-5.1 models – Latest thinking models (Optimal & Smart variants) GPT-4 series – GPT-4, GPT-4 Turbo, GPT-4o available Claude 4.5 – Anthropic's Opus available for Enterprise Auto model routing – Balances cost/performance automatically Zero API key management – All models managed behind the scenes
Developer Experience ( A P I & S D Ks)
Open-Source Foundation – NucliaDB 710+ stars, AGPLv3, Python/Rust Python SDK – 21K weekly downloads, full API coverage JavaScript/TypeScript SDK – React, Next.js, Angular, Vue, Svelte support REST API – Regional endpoints /ask, /find, /upload, /remi	REST API & SDKs – JavaScript/TypeScript, Python, GraphQL API for queries API capabilities – Send messages, manage state, retrieve transcripts, update KB Custom code blocks – JavaScript execution within workflows, rate limits 10K/hour (Pro) ✅ Comprehensive docs, 15K+ community (Discord/Slack), Postman/OpenAPI specs	REST API – Full-featured for agents, projects, data ingestion, chat queries Python SDK – Open-source `customgpt-client` with full API coverage Postman collections – Pre-built requests for rapid prototyping Webhooks – Real-time event notifications for conversations and leads OpenAI compatible – Use existing OpenAI SDK code with minimal changes
Performance & Accuracy
✅ Benchmark Leader – Highest scores vs Vectara on Docmatix 1.4k dataset 100M Vectors – Fully ingested and optimized in ~20 minutes REMi v2 Speed – 30x faster inference, Llama 3.2-3B based Four-Index Hybrid – Document, Full Text, Vector/Chunk, Knowledge Graph	Response times – 200-500ms simple, 1-2s complex; 99.9% SLA (Enterprise) Accuracy claims – GoStudent case: 98% accuracy on 100K conversations Hallucination prevention – RAG grounding, confidence thresholds, source citations ⚠️ KB accuracy concerns – Reviews cite "often inaccurate", manual preprocessing required	Sub-second responses – Optimized RAG with vector search and multi-layer caching Benchmark-proven – 13% higher accuracy, 34% faster than OpenAI Assistants API Anti-hallucination tech – Responses grounded only in your provided content OpenGraph citations – Rich visual cards with titles, descriptions, images 99.9% uptime – Auto-scaling infrastructure handles traffic spikes
Customization & Flexibility ( Behavior & Knowledge)
30+ RAG Parameters – Fine-grained control over retrieval behavior Hybrid Weighting – Balance keyword vs semantic search relevance Agent Autonomy – Auto select optimal strategies per query Prompt Lab – Test configurations with actual data before production	Real-time updates – Workflow changes deploy instantly, no rebuild required Version control – Git-style versioning, rollback, Dev/Staging/Prod environments (Team+) Component reusability – Save sections, 100+ templates, dynamic KB syncing ✅ Task-specific flows, multi-language routing, user segmentation by custom attributes	Live content updates – Add/remove content with automatic re-indexing System prompts – Shape agent behavior and voice through instructions Multi-agent support – Different bots for different teams Smart defaults – No ML expertise required for custom behavior
Pricing & Scalability
Fly – $700/mo: 10GB/15K resources, 750MB max file Growth – $1,750/mo: 50GB/80K resources, 1.5GB max, Prompt Lab Enterprise – Custom: Unlimited data, 11 KBs, hybrid/on-prem ✅ Competitive Entry – $700/mo undercuts enterprise alternatives	Sandbox (Free) – 2 agents, unlimited interactions, 3 collaborators Pro: $50/month – 10 agents, unlimited interactions, 10 collaborators Team: $625/month – 50 agents, 25 collaborators, API, version control, RBAC Enterprise: Custom – Unlimited agents, SSO, SOC 2, SLA, dedicated support ⚠️ Pricing complexity – Per-seat ($15-25) + per-agent ($20-50) charges escalate quickly	Standard: $99/mo – 60M words, 10 bots Premium: $449/mo – 300M words, 100 bots Auto-scaling – Managed cloud scales with demand Flat rates – No per-query charges
Security & Privacy
✅ SOC2 Type 2 – Annually audited enterprise security ✅ ISO 27001 – Annually audited information security management ✅ GDPR Compliant – Built-in PII anonymization auto-detects personal data Encryption – AES-256 at rest, TLS in transit ⚠️ NO HIPAA – Healthcare PHI processing requires sales clarification	SOC 2 Type II certified – GDPR compliant, HIPAA ready (Enterprise) Encryption – AES-256 at rest, TLS 1.3 in transit, zero-retention policy SSO/SAML – Okta/Azure AD, RBAC (Team+), audit logs (Enterprise) ✅ On-premise deployment, EU data residency, DPA, IP whitelisting, key rotation	SOC 2 Type II + GDPR – Third-party audited compliance Encryption – 256-bit AES at rest, SSL/TLS in transit Access controls – RBAC, 2FA, SSO, domain allowlisting Data isolation – Never trains on your data
Observability & Monitoring
REMi Dashboard – Real-time metrics for relevance, groundedness, correctness (0-5) Rolling Averages – Performance graphs spanning 24h to 30 days Benchmark Validated – Tested vs Vectara on Docmatix 1.4k dataset ⚠️ No Proactive Alerts – Alerting not documented despite monitoring	Analytics dashboard – Sessions, users, messages, completion rates, drop-off visualization Conversation funnels – Journey mapping with full transcript viewer Error tracking – Monitor API failures, timeouts, unhandled intents real-time ✅ User feedback (thumbs/CSAT/NPS), CSV/JSON export, Datadog/New Relic webhooks	Real-time dashboard – Query volumes, token usage, response times Customer Intelligence – User behavior patterns, popular queries, knowledge gaps Conversation analytics – Full transcripts, resolution rates, common questions Export capabilities – API export to BI tools and data warehouses
Support & Ecosystem
Documentation – docs.rag.progress.cloud + legacy docs.nuclia.dev SDK Ecosystem – Python 21K weekly + JavaScript/TypeScript active usage Progress Support – 2,000+ employee parent company infrastructure AWS Marketplace – November 2025 for streamlined procurement	Founded 2017 – $28M funding (Felicis, OpenAI Startup Fund, Tiger Global) 200K+ teams – Mercedes-Benz, JP Morgan, Shopify; 15K+ developer community Support tiers – Community (Free), priority email (Pro), chat (Team), 24/7 CSM (Enterprise) ✅ 100+ templates, Academy certifications, comprehensive docs, partner program	Comprehensive docs – Tutorials, cookbooks, API references Email + in-app support – Under 24hr response time Premium support – Dedicated account managers for Premium/Enterprise Open-source SDK – Python SDK, Postman, GitHub examples 5,000+ Zapier apps – CRMs, e-commerce, marketing integrations
No- Code Interface & Usability
Target Users – Non-technical teams: marketing, HR, legal, support Visual Dashboard – Create KB, upload docs, deploy widget in one session Point-and-Click Editor – Configure suggestions, filters, metadata visually Rapid Deployment – Minutes-to-production capability for business users	Visual canvas builder – Drag-and-drop 50+ blocks, 80% no-code coverage Collaboration – 10+ simultaneous editors, real-time cursor tracking, comments Testing tools – Built-in chat simulator, one-click channel deployment ✅ Ease of use 8.7/10 (G2), 100+ templates, Academy certifications	2-minute deployment – Fastest time-to-value in the industry Wizard interface – Step-by-step with visual previews Drag-and-drop – Upload files, paste URLs, connect cloud storage In-browser testing – Test before deploying to production Zero learning curve – Productive on day one
R E Mi Evaluation Model ( Core Differentiator)
✅ Proprietary Investment – Addresses hallucination, absent from competitors REMi v2 – Llama 3.2-3B based, 30x faster inference Continuous Quality – Evaluates every interaction across 4 dimensions (0-5) ✅ Benchmark Leader – Highest scores vs Vectara on Docmatix 1.4k	N/A	N/A
Open- Source Nuclia D B Foundation
GitHub Presence – 710+ stars, AGPLv3 transparency into retrieval Technology Stack – Python and Rust for performance Four Index Types – Document, Full Text, Chunk/Vector, Knowledge Graph 100M Vector Performance – Full ingestion in ~20 minutes	N/A	N/A
Multi- Lingual Support
Nuclia Multilingual Embedding – Default model supports multiple languages 60+ Format Processing – Multi-language across PDF, Word, Excel, PPT Auto Transcription – Multi-language speech-to-text for audio/video	N/A	N/A
R A G-as-a- Service Assessment
✅ TRUE RAG-AS-A-SERVICE – Core mission is RAG backend LLM Flexibility – 7 providers switchable without changes Open-Source – NucliaDB 710+ stars, AGPLv3	Platform Type – WORKFLOW-FIRST with RAG capabilities, NOT pure RAG-as-a-Service Core Architecture – Visual canvas (50+ blocks) combining intent-based + RAG hybrid RAG Integration – KB with vector search (Qdrant) + GPT-4, secondary to workflows Developer Experience – REST API, JS/Python SDKs, custom code blocks, GraphQL ⚠️ RAG Limitations – KB "often inaccurate", no RAG parameter configuration, manual preprocessing	Platform type – TRUE RAG-AS-A-SERVICE with managed infrastructure API-first – REST API, Python SDK, OpenAI compatibility, MCP Server No-code option – 2-minute wizard deployment for non-developers Hybrid positioning – Serves both dev teams (APIs) and business users (no-code) Enterprise ready – SOC 2 Type II, GDPR, WCAG 2.0, flat-rate pricing
Competitive Positioning
✅ Pricing Advantage – $700/mo entry undercuts competitors ✅ REMi Differentiator – Continuous quality monitoring ⚠️ Integration Gaps – No native Slack/WhatsApp/Teams	Market position – Workflow-first platform (founded 2017, $28M funding) for orchestration Target customers – Enterprise teams (200K+ users: Mercedes-Benz, JP Morgan) needing multi-agent workflows Key competitors – Botpress, Rasa, Microsoft Power Virtual Agents, NOT RAG tools Competitive advantages – 50+ blocks, 10+ real-time collab, 15+ integrations, SOC 2/GDPR/HIPAA ✅ Free Sandbox, Pro $50/month reasonable for startups, best for workflows ⚠️ Use case fit – Ideal complex workflows, NOT simple document Q&A	Market position – Leading RAG platform balancing enterprise accuracy with no-code usability. Trusted by 6,000+ orgs including Adobe, MIT, Dropbox. Key differentiators – #1 benchmarked accuracy • 1,400+ formats • Full white-labeling included • Flat-rate pricing vs OpenAI – 10% lower hallucination, 13% higher accuracy, 34% faster vs Botsonic/Chatbase – More file formats, source citations, no hidden costs vs LangChain – Production-ready in 2 min vs weeks of development
A I Models
7 Providers – Anthropic, OpenAI, Google, Meta, Mistral, Cohere Nuclia Private GenAI – 100% data isolation for security	Multi-model support – GPT-4, GPT-3.5, Claude, Gemini per agent/step selection Function calling – GPT-4/Claude real-time action triggering during conversations Custom model integration – Proprietary LLM API support, temperature/token controls (0.0-2.0) ✅ Cost optimization routing: GPT-3.5 simple, GPT-4 complex queries	OpenAI – GPT-5.1 (Optimal/Smart), GPT-4 series Anthropic – Claude 4.5 Opus/Sonnet (Enterprise) Auto-routing – Intelligent model selection for cost/performance Managed – No API keys or fine-tuning required
R A G Capabilities
Agentic RAG Engine – Retrieval agents auto-select strategies Four-Index Hybrid – Document, Full Text, Vector, Knowledge Graph REMi v2 Quality – Continuous evaluation, 30x faster Multimodal – OCR, speech-to-text, 60+ formats	Knowledge Base – RAG vector search, semantic matching (PDF, Word, CSV, text) Website crawling – Sitemap ingestion, auto-sync Google Drive, Notion, Confluence, Zendesk Multi-turn context – Conversation preservation across sessions for coherent dialogues ⚠️ Accuracy concerns – Reviews cite KB "often inaccurate", "too general" ⚠️ No RAG controls – Cannot configure chunking, embeddings, similarity thresholds	GPT-4 + RAG – Outperforms OpenAI in independent benchmarks Anti-hallucination – Responses grounded in your content only Automatic citations – Clickable source links in every response Sub-second latency – Optimized vector search and caching Scale to 300M words – No performance degradation at scale
Use Cases
Enterprise Knowledge – Deploy knowledge bases in minutes Healthcare & Pharma – Medical protocol search Developer RAG Backend – API-first for custom AI apps	Complex workflows – API orchestration, multi-agent coordination, sophisticated logic Team collaboration – 10+ simultaneous editors with real-time tracking/comments Voice assistants – Alexa, Google Assistant, custom telephony conversational AI Customer service – 15+ integrations (Zendesk, Salesforce, HubSpot, Intercom) automation E-commerce – Shopify orders, product recommendations, lead gen with Calendly/CRM ⚠️ NOT ideal for – Simple document Q&A (KB accuracy issues)	Customer support – 24/7 AI handling common queries with citations Internal knowledge – HR policies, onboarding, technical docs Sales enablement – Product info, lead qualification, education Documentation – Help centers, FAQs with auto-crawling E-commerce – Product recommendations, order assistance
Security & Compliance
✅ SOC2 Type 2, ISO 27001, GDPR Encryption – AES-256 at rest, TLS in transit ⚠️ NO HIPAA – Healthcare requires sales contact	SOC 2 Type II – GDPR compliant, HIPAA ready (Enterprise), EU data residency Encryption – AES-256 at rest, TLS 1.3 in transit, zero-retention SSO/SAML – Okta, Azure AD, OneLogin; RBAC (Team+), audit logs (Enterprise) ✅ On-premise deployment for data sovereignty, DPA available	SOC 2 Type II + GDPR – Regular third-party audits, full EU compliance 256-bit AES encryption – Data at rest; SSL/TLS in transit SSO + 2FA + RBAC – Enterprise access controls with role-based permissions Data isolation – Never trains on customer data Domain allowlisting – Restrict chatbot to approved domains
Pricing & Plans
Fly – $700/mo: 10GB/15K resources Growth – $1,750/mo: 50GB/80K resources Enterprise – Custom: Unlimited, hybrid/on-prem	Sandbox (Free) – 2 agents, unlimited interactions, 3 collaborators Pro: $50/month – 10 agents, unlimited interactions, 10 collaborators, GPT-4/Claude Team: $625/month – 50 agents, 25 collaborators, API, version control, RBAC Enterprise: Custom – Unlimited agents, SSO, SOC 2, HIPAA, SLA, on-premise ⚠️ Per-seat charges – Additional editors $50/month (Pro), $15-25/month (Team)	Standard: $99/mo – 10 chatbots, 60M words, 5K items/bot Premium: $449/mo – 100 chatbots, 300M words, 20K items/bot Enterprise: Custom – SSO, dedicated support, custom SLAs 7-day free trial – Full Standard access, no charges Flat-rate pricing – No per-query charges, no hidden costs
Support & Documentation
Documentation – docs.rag.progress.cloud SDK Ecosystem – Python 21K weekly + JavaScript Progress Support – 2,000+ employee parent company	Founded 2017 – $28M funding (Felicis, OpenAI Startup Fund, Tiger Global) 200K+ teams – Mercedes-Benz, JP Morgan, Shopify; 15K+ developer community Support tiers – Community (Free), priority email (Pro), chat (Team), 24/7 CSM (Enterprise) ✅ 100+ templates, comprehensive docs, Academy certifications, partner program	Documentation hub – Docs, tutorials, API references Support channels – Email, in-app chat, dedicated managers (Premium+) Open-source – Python SDK, Postman, GitHub examples Community – User community + 5,000 Zapier integrations
Limitations & Considerations
⚠️ NO HIPAA – Healthcare PHI requires sales contact ⚠️ NO Messaging – No Slack, WhatsApp, Teams ⚠️ Acquisition Risk – June 2025 purchase, transitioning	⚠️ KB accuracy issues – Reviews cite "often inaccurate", not ideal document Q&A ⚠️ Workflow-first platform – Excels orchestration, lags specialized RAG platforms ⚠️ Steep learning curve – Weeks onboarding despite visual interface ⚠️ Pricing complexity – Per-seat/agent fees escalate beyond base costs ⚠️ Visual canvas overwhelm – Complex agents (100+ blocks) difficult to manage ⚠️ SOC 2 Enterprise-only – No SLA guarantees on Pro/Team tiers	Managed service – Less control over RAG pipeline vs build-your-own Model selection – OpenAI + Anthropic only; no Cohere, AI21, open-source Real-time data – Requires re-indexing; not ideal for live inventory/prices Enterprise features – Custom SSO only on Enterprise plan

Ready to experience the CustomGPT difference?

Start Free Trial →

Final Thoughts

Final Verdict: Progress Agentic RAG vs Voiceflow

After analyzing features, pricing, performance, and user feedback, both Progress Agentic RAG and Voiceflow are capable platforms that serve different market segments and use cases effectively.

When to Choose Progress Agentic RAG

You value proprietary remi v2 model (30x faster inference) addresses hallucination problem with continuous quality monitoring - differentiated capability absent from most competitors
Open-source NucliaDB transparency (710+ GitHub stars) with managed infrastructure removes operational burden while maintaining technical visibility
Genuine no-code accessibility: business users (marketing, HR, legal, support) can deploy functional RAG pipelines in minutes via visual dashboard

Best For: Proprietary REMi v2 model (30x faster inference) addresses hallucination problem with continuous quality monitoring - differentiated capability absent from most competitors

When to Choose Voiceflow

You value visual workflow builder enables non-technical teams to build complex agents
Real-time collaboration features rival Figma - 10+ people editing simultaneously
Function calling and API integrations allow true action-taking agents

Best For: Visual workflow builder enables non-technical teams to build complex agents

Migration & Switching Considerations

Switching between Progress Agentic RAG and Voiceflow requires careful planning. Consider data export capabilities, API compatibility, and integration complexity. Both platforms offer migration support, but expect 2-4 weeks for complete transition including testing and team training.

Pricing Comparison Summary

Progress Agentic RAG starts at $700/month, while Voiceflow begins at $40/month. Total cost of ownership should factor in implementation time, training requirements, API usage fees, and ongoing support. Enterprise deployments typically see annual costs ranging from $10,000 to $500,000+ depending on scale and requirements.

Our Recommendation Process

Start with a free trial - Both platforms offer trial periods to test with your actual data
Define success metrics - Response accuracy, latency, user satisfaction, cost per query
Test with real use cases - Don't rely on generic demos; use your production data
Evaluate total cost - Factor in implementation time, training, and ongoing maintenance
Check vendor stability - Review roadmap transparency, update frequency, and support quality

For most organizations, the decision between Progress Agentic RAG and Voiceflow comes down to specific requirements rather than overall superiority. Evaluate both platforms with your actual data during trial periods, focusing on accuracy, latency, ease of integration, and total cost of ownership.

📚 Next Steps

Ready to make your decision? We recommend starting with a hands-on evaluation of both platforms using your specific use case and data.

• Review: Check the detailed feature comparison table above
• Test: Sign up for free trials and test with real queries
• Calculate: Estimate your monthly costs based on expected usage
• Decide: Choose the platform that best aligns with your requirements

Last updated: February 3, 2026 | This comparison is regularly reviewed and updated to reflect the latest platform capabilities, pricing, and user feedback.

Ready to Get Started with CustomGPT?

Join thousands of businesses that trust CustomGPT for their AI needs. Choose the path that works best for you.

Start Your Free Trial

Experience the full power of CustomGPT risk-free.

Get Started

RECOMMENDED

Request a Demo

See how CustomGPT can transform your business operations.

Get Started

Contact Sales

Get personalized guidance from our expert team.

Get Started

Why Choose CustomGPT?

97% Accuracy

Industry-leading benchmarks

5-Min Setup

Get started instantly

24/7 Support

Expert help when you need it

Enterprise Ready

Scale with confidence

Trusted by leading companies worldwide

CustomGPT

The most accurate RAG-as-a-Service API. Deliver production-ready reliable RAG applications faster. Benchmarked #1 in accuracy and hallucinations for fully managed RAG-as-a-Service API.

Get API Key Documentation Read our benchmarks

Get in touch
Contact Us

Join the Discussion

Loading comments...

Priyansh Khodiyar

DevRel at CustomGPT.ai. Passionate about AI and its applications. Here to help you navigate the world of AI tools and make informed decisions for your business.

Progress Agentic RAG vs Voiceflow