What are the main differences between Nuclia and Stonly?

Nuclia excels in Specialized for unstructured data and Strong multilingual support (100+ languages), scoring 81/100 in user ratings with 85% accuracy. Stonly leads in Exceptional ease of use - 4.8/5 G2 rating with intuitive visual editor praised in 32 reviews and Deep help desk integrations - bidirectional Zendesk, Salesforce, Freshdesk, ServiceNow connections with 96/100 overall rating and 71% accuracy. Key technical difference: Nuclia focuses on RAG-as-a-Service while Stonly emphasizes Interactive step-by-step guides with decision trees. Pricing differs by $51/month.

Which is better for enterprises: Nuclia or Stonly?

Nuclia offers SOC 2 compliance for enterprise security. HIPAA compliance is available in Stonly. For scalability, Nuclia supports on-premise deployment for maximum control. Stonly leads with 96/100 enterprise readiness score (92/100 enterprise features).

How much does Nuclia cost vs Stonly?

Nuclia starts at $300/monthly (freemium model), while Stonly begins at $249/monthly (enterprise model). Both offer free tiers to get started, and free trials are available. This represents a significant price difference of $51/month. See our detailed pricing breakdown for complete tier comparisons.

Can I migrate from Nuclia to Stonly?

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

What integrations do Nuclia and Stonly support?

Nuclia integrates with SharePoint, Confluence, OneDrive, Google Drive, Amazon S3 (10 integrations total). Stonly supports Zendesk (deep bidirectional integration), Salesforce Service Cloud, Freshdesk, ServiceNow, Zapier webhooks (form submissions, guide completions) (9 integrations available). Both offer REST APIs for custom integrations. Nuclia offers 11% more integrations, with webhook support for real-time data sync.

What are the main differences between Nuclia and Stonly?

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

Which is better for enterprises: Nuclia or Stonly?

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

How much does Nuclia cost vs Stonly?

Nuclia starts at custom pricing/month (subscription model), while Stonly 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 Nuclia to Stonly?

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

What integrations do Nuclia and Stonly support?

Nuclia integrates with (multiple platforms). Stonly supports (various tools). API availability varies by plan. Integration coverage is comparable.

Nuclia vs Stonly

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

More about Stonly More about Nuclia 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 Nuclia and Stonly 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 Nuclia and Stonly, 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 Nuclia if: you value specialized for unstructured data
Choose Stonly if: you value exceptional ease of use - 4.8/5 g2 rating with intuitive visual editor praised in 32 reviews

About Nuclia

Nuclia is ai search and rag-as-a-service for unstructured data. Nuclia is a RAG-as-a-Service platform that automatically indexes unstructured data from any source to deliver AI search, generative answers, and knowledge extraction with enterprise-grade security and multilingual support. Founded in 2019, headquartered in Barcelona, Spain, the platform has established itself as a reliable solution in the RAG space.

Overall Rating

81/100

Starting Price

$300/mo

About Stonly

Stonly is interactive knowledge base platform with enterprise ai-powered answers. Stonly is a customer support knowledge management platform with embedded AI capabilities focused on interactive step-by-step guides and help desk agent assistance. Its AI Answers feature (Enterprise-only add-on) achieves 71% self-serve success rates, but it's fundamentally a knowledge base platform with AI features—not a pure RAG-as-a-Service solution. Founded in 2017, headquartered in San Francisco, CA, the platform has established itself as a reliable solution in the RAG space.

Overall Rating

96/100

Starting Price

$249/mo

Key Differences at a Glance

In terms of user ratings, Stonly in overall satisfaction. From a cost perspective, Stonly offers more competitive entry pricing. The platforms also differ in their primary focus: RAG Platform versus Knowledge Management. 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

Nuclia	Stonly	CustomGPTRECOMMENDED
Data Ingestion & Knowledge Sources
Multimodal Indexing – Indexes PDF, Word, Excel, PowerPoint, web pages, images with OCR, audio/video transcription Programmatic Ingestion – REST API, Python/JS SDKs, CLI for automated data uploads Sync Agent – Auto-watches cloud drives and sitemaps for continuous nonstop indexing Language Support – Handles virtually any text-based language (non-pictogram languages only)	✅ PDF uploads & public website crawling – Zendesk help center content indexing supported ✅ Proprietary interactive guide format – Primary content model with visual editor ⚠️ No cloud storage integrations – Missing Google Drive, Dropbox, Notion, SharePoint, YouTube Content limits: Basic (5 guides, 400 views/mo), Small Business (unlimited, 4K views/mo), Enterprise (custom)	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
No-Code Widget – Drop search/Q&A panel onto websites in minutes Workflow Automation – n8n and Zapier integration for thousands of service connections API-First Design – Embed into any channel via REST API/SDKs ⚠️ No Native Bots – No one-click Slack/Teams bots (requires custom development)	✅ Deep help desk integrations – Zendesk, Salesforce Service Cloud, Freshdesk, ServiceNow ✅ Zapier integration – Webhook triggers for form submissions and completions ✅ Analytics integrations – Segment, Google Analytics ⚠️ No messaging integrations – Missing Slack, WhatsApp, Telegram, Microsoft Teams	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 + Q&A – Semantic search with generative answers from your data Source Citations – Shows exact sources for answer transparency and trust Auto-Summarization – Summarizes long docs with entity recognition and AI classification Multi-Turn Chat – Handles one-shot Q&A and conversational multi-turn interactions	✅ Interactive step-by-step guides – Visual flow builder with branching logic ✅ Decision trees and checklists – Task management with progress tracking ✅ Contact forms and lead capture – Integrated customer information collection ✅ Multi-language support – Auto-translation on Enterprise plan	✅ #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
Customization & Branding
Widget Styling – No-code widget offers basic styling customization options Custom Prompts – Set system prompts to adjust tone and response style Custom UI – Build fully branded front-end on flexible API ⚠️ Advanced Branding – Deep customization requires developer resources and API integration	✅ Visual no-code editor – Intuitive interface for guides, decision trees, forms ✅ CSS customization on all paid plans – White-labeling Enterprise only ✅ Small learning curve – Users create guides in under 30 minutes ⚠️ Cannot edit on mobile devices – Desktop-only guide creation	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
Model-Agnostic – OpenAI, Azure OpenAI, Google PaLM 2, Cohere, Anthropic, Hugging Face 100% Private GenAI – Keep all processing on Nuclia infrastructure without third-party exposure Hugging Face Integration – Drop in open-source or domain-specific models easily Flexible Switching – Swap models per query to optimize cost vs quality balance	⚠️ Undisclosed proprietary LLM – No model selection or transparency on provider ✅ AI Profiles (20) & Custom Instructions (100) – Define tone, boundaries, behavior ✅ Guided AI Answers – Predefined responses for sensitive scenarios bypass AI ✅ Knowledge-grounded approach – Anchored responses reduce hallucinations vs generic chatbots	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)
Rich APIs – REST APIs, Python/JS SDKs, CLI for ingestion and querying Modular Design – Index first, query later workflow fits dev processes Self-Host Option – On-prem NucliaDB for complete infrastructure control Open-Source – NucliaDB GitHub (710+ stars, AGPLv3) with transparent code	✅ REST API – User provisioning, content management, widget control ✅ Mobile SDKs (Enterprise only) – iOS, Android, React Native, Flutter ⚠️ No Python/Node.js SDKs – No GraphQL, OpenAPI specs, or API sandbox	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
Quality-Based RAG – Focused on trusted, source-linked answers with citation attribution Hybrid Search – Tune semantic vs keyword weighting for domain precision Entity Enrichment – Summaries and entity extraction improve Q&A quality Large-Scale Ready – Scales to large datasets; speed depends on LLM choice	✅ 71% self-serve success rate – Company data with AI Answers feature ✅ 70-76% ticket reduction – Documented in case studies ✅ 99.9% uptime claimed – No published SLA or response time details ⚠️ Flow reports update every 15 min – Not real-time analytics	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)
Retrieval Tuning – Adjust chunk sizes, weighting, metadata filters for precision Per-Query Prompts – Custom prompts per query for dynamic persona/style Knowledge Boxes – Multiple isolated data spaces with tags for scope Structured Output – Return JSON or fine-tune private models for specific needs	✅ CSS and HTML customization – Change layout and look with custom code ✅ Intuitive no-code tools – Easy customization without coding for basics ✅ Personalized content – Use customer data for targeted experiences ✅ Rich media support – Images, GIFs, videos, annotations	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
Consumption Model – Base license plus usage costs (indexing, queries, LLM calls) Granular Control – Light usage stays cheap, scales automatically for heavy use Free Trial – Hands-on evaluation before committing to paid plans On-Prem Economics – Self-hosting provides cost control with existing infrastructure	Basic (Free): 5 guides, 400 views/mo, 1 seat, single language Small Business ($249/mo, $199/mo annual): Unlimited guides, 4K views/mo, 5 seats, CSS customization Enterprise (~$39K/year avg): Custom views, unlimited seats, AI Answers add-on, Mobile SDKs, SAML SSO ⚠️ Overage pricing escalates – +15K views = $200/mo, auto-upgrade after 2 months	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
GDPR Compliant – EU-based with strict data protection; no cross-customer training Data Isolation – Knowledge Boxes with disk encryption and tenant separation On-Prem Deployment – Self-host NucliaDB for complete data residency and control Enterprise SSO – Role-based access with regional data centers (EU available)	✅ SOC 2 Type 2, GDPR, HIPAA, ISO 27001 – PCI, CSA Star Level 1 compliant ✅ Trust Center – trust.stonly.com with security documentation, subprocessor lists ✅ SAML 2.0 SSO (Enterprise) – IP allowlisting, advanced RBAC, 2FA	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
Usage Dashboard – Track token spend for indexing and query operations Activity Logs – Audit trails for ingestion and query events API/CLI Access – Send logs to Splunk, Elastic, or monitoring tools ⚠️ Custom Analytics – Conversation analytics require custom front-end implementation	✅ Insights Dashboard – Views, visitors, bounce rates, drop-off analysis ✅ NPS surveys (all plans) – CSAT and CES Enterprise only ✅ Data export – Segment, Zapier, Google Analytics integration	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 – Comprehensive docs, API reference, code samples, quick-start guides Community – Slack community, Stack Overflow, developer forums for peer support LangChain Integration – Official integration with popular AI frameworks Enterprise Support – Dedicated assistance for on-prem/hybrid installations	✅ 4.8/5 G2 rating (132 reviews) – Ease of use praised in 32 reviews ✅ Email and chat support – Dedicated support on Enterprise plan ✅ Pre-built templates – Quick onboarding, guides created in under 30 minutes	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
Additional Considerations
✅ Beyond Search – AI search, Q&A, classification, multi-language multimodal indexing ✅ Enterprise RAG – Replace legacy search across text, audio, video content ✅ Open-Source Core – Reduces lock-in, enables extension and self-hosting ⚠️ DevOps Effort – Advanced setups need ML/DevOps resources for deployment	⚠️ Limited UI customization – Cannot fully match specific brand requirements ⚠️ No offline access – Requires internet connectivity for guide availability ⚠️ Performance degradation with large guides – Scalability concerns with complexity ⚠️ View-based pricing – Additional fees for exceeding 4K views/mo	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
No- Code Interface & Usability
No-Code Dashboard – Create Knowledge Box → upload data → tune → embed widget Defaults Work – Out-of-box settings are production-ready for basic use ⚠️ Technical Sliders – Advanced retrieval/prompt options may confuse non-technical users ⚠️ Custom UI Needed – Full branding requires building on API front-end	✅ 4.8/5 ease of use rating – Visual drag-and-drop editor, no coding required ✅ Small learning curve – Non-technical teams productive quickly ✅ Pre-built templates – Common scenarios covered for faster creation	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
Competitive Positioning
Market Position – API-first RAG platform with multimodal indexing and model-agnostic architecture Target Customers – Dev teams needing text/audio/video search with on-prem/hybrid deployment options Key Competitors – Deepset/Haystack, Vectara.ai, Azure AI Search, custom RAG implementations Competitive Advantages – Multimodal OCR/speech-to-text, 100% private GenAI, open-source NucliaDB portability Pricing Advantage – Consumption model controls costs; light usage cheap, enterprise-ready scalability	✅ Unique interactive guide format – Structured support content vs free-form chat ✅ 70-76% ticket reduction – 71% self-serve success rate documented vs CustomGPT: Different categories (knowledge base vs RAG-as-a-Service) Target: Support teams using Zendesk/Salesforce, not RAG developers	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
Model-Agnostic – OpenAI, Azure OpenAI, PaLM 2, Cohere, Anthropic, Hugging Face Private GenAI – 100% Nuclia-hosted infrastructure option for data isolation Flexible Switching – Swap models per query without architectural changes Local Models – Self-hosted models supported (requires extra setup) ✅ Developer Freedom – Choose optimal LLM per Knowledge Box or query	⚠️ Undisclosed Proprietary LLM – No model selection or transparency ✅ AI Profiles (20) & Custom Instructions (100) – Define tone and boundaries ✅ Guided AI Answers – Predefined responses for sensitive scenarios ✅ Knowledge-grounded approach – Anchored responses reduce hallucinations	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
Quality-Based RAG – Trusted answers with comprehensive source citations for transparency Hybrid Search – Combine semantic vectors with keyword matching for precision Customizable Chunking – Adjust chunk sizes, weighting, segmentation for context windows Knowledge Graph – Auto entity/relationship extraction enriches corpus for Q&A Multimodal Indexing – OCR for images, speech-to-text creates comprehensive knowledge base ✅ Open Architecture – NucliaDB open-source provides transparency vs black-box competitors	✅ AI Answers (Enterprise add-on) – Grounded in guides, websites, PDFs ✅ 71% self-serve success rate – Confidence-based fallback to ML search ⚠️ Limited data sources – No Google Drive, Dropbox, Notion, SharePoint, YouTube ⚠️ Manual content updates – No automatic syncing from external sources	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 Search – Modernize legacy search with AI across text/audio/video Customer Support – Internal Q&A for support teams from product documentation Multimodal Discovery – Unified search across PDFs, videos, audio, presentations Regulatory Compliance – GDPR-compliant retrieval with data residency guarantees Developer RAG Backend – API-first infrastructure for custom AI applications	✅ Customer support ticket deflection – 70-76% reduction through interactive guides ✅ Deep help desk integration – Zendesk, Salesforce, Freshdesk, ServiceNow workflows ✅ Interactive onboarding – Step-by-step guides, decision trees, checklists ✅ Multi-language support – Auto-translation for global teams (Enterprise)	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
GDPR Compliant – EU-based; customer data never used for model training Data Isolation – Knowledge Boxes with disk encryption; zero cross-training On-Prem Options – Self-host NucliaDB and local LLMs for data sovereignty Enterprise SSO – Identity provider integration with role-based access control Regional Centers – EU and other regions for local data residency laws	✅ SOC 2 Type 2, GDPR, HIPAA, ISO 27001 – PCI, CSA Star Level 1 ✅ Trust Center – trust.stonly.com with documentation, subprocessor lists ✅ SAML 2.0 SSO (Enterprise) – IP allowlisting, advanced RBAC, 2FA ⚠️ Data residency not documented – May limit certain jurisdiction deployments	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
Pricing Model – License plus consumption (base plus indexing/queries/LLM calls) Free Trial – Available for hands-on evaluation before commitment Granular Control – Pay for usage; light stays cheap, scales automatically Transparent Billing – Storage, indexing, queries, LLM usage clearly itemized Best Value For – Organizations optimizing costs through usage control vs seat-based pricing	Basic (Free): 5 guides, 400 views/mo, 1 seat, single language Small Business ($249/mo, $199/mo annual): Unlimited guides, 4K views/mo, 5 seats, CSS customization Enterprise (~$39K/year avg): Custom views, unlimited seats, white-label, SAML SSO, Mobile SDKs ⚠️ Overage pricing: +15K views = $200/mo, auto-upgrade after 2 consecutive months	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
Comprehensive Docs – docs.nuclia.dev with guides, API reference, code examples Active Community – Slack community, Stack Overflow, developer forums Open-Source – NucliaDB GitHub (710+ stars, AGPLv3) with transparent code LangChain Integration – Official integration for AI framework ecosystem compatibility Enterprise Support – Dedicated support for on-prem/hybrid installations	✅ 4.8/5 G2 rating (132 reviews) – Ease of use praised consistently ✅ Email and chat support – Dedicated support on Enterprise plan ✅ Pre-built templates & tutorials – Guides created in under 30 minutes	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
⚠️ API-First Complexity – Developer-focused; not plug-and-play for non-technical teams ⚠️ No Turnkey UI – Advanced branding requires building custom front-end ⚠️ No Native Bots – Slack/Teams bots require custom API development ⚠️ Language Limits – Cannot index pictogram-based languages (Japanese, Chinese characters) ⚠️ Learning Curve – Advanced RAG parameters feel technical for beginners ✅ Best For Developers – Capable platform for technical teams with resources	⚠️ NOT a RAG-as-a-Service platform – Knowledge base tool with embedded AI ⚠️ AI Answers Enterprise-gated – ~$39K/year, not available on $249/mo tier ⚠️ Limited data sources – PDF, web, Zendesk only; no cloud storage ⚠️ No messaging integrations – Missing Slack, WhatsApp, Telegram, Microsoft Teams Not ideal for: Pure RAG API, multi-tenant SaaS backends, model customization needs	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
Core Agent Features
Agentic RAG – Autonomous decision-making for retrieval strategies vs manual configuration CrewAI Integration – Official integration for orchestrating autonomous AI agent teams AI Search Copilot – Customizable LLM agents for employee support and customer service Ingestion Agents (Beta) – Auto-labeling, summarization, graph extraction, Q&A generation, content safety ⚠️ Missing Features – No lead capture, human handoff, proactive alerting workflows	✅ Knowledge-grounded responses – Verified structured knowledge prevents hallucinations ✅ AI Agent Assist – Summarizes tickets, suggests paths, drafts responses ✅ Process automation – Define workflows linked to back-office tools ✅ 71% self-serve success rate – Personalized knowledge adapts to needs	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
R A G-as-a- Service Assessment
Platform Type – TRUE RAG-AS-A-SERVICE with managed infrastructure and API-first design Agentic Focus – Progress Agentic RAG with autonomous decision-making capabilities Fully Managed – Hosted NucliaDB with auto-scaling, chunking, embedding, no infrastructure management Model-Agnostic Service – Switch LLM providers without architectural changes (OpenAI, Azure, PaLM, Anthropic) Agent-Ready – Only RAG platform designed for AI agents (CrewAI, LangChain compatible) Hybrid Deployment – Cloud-managed with on-prem NucliaDB for data sovereignty	⚠️ NOT a RAG-as-a-Service platform – Knowledge base tool with embedded AI ⚠️ Limited data sources – PDF, public web, Zendesk only ✅ Strong hallucination controls – Grounded in structured content Best for: Customer support ticket deflection, not flexible RAG backends	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
Core Knowledge Base Features
N/A	✅ Interactive step-by-step guides – Visual flow builder with branching logic ✅ Decision trees, checklists, forms – Contact forms and lead capture ✅ Content versioning – Side-by-side comparison, instant restore (Business+) ✅ Multi-language support – Auto-translation on Enterprise plan	N/A
A I Answers Feature ( Enterprise Only)
N/A	⚠️ Enterprise add-on only – Not included in Small Business plan ✅ Generative AI grounded – Anchored in Stonly guides, websites, PDFs ✅ Confidence-based fallback – Switches to ML-powered search when confidence low ✅ 71% self-serve success rate – Hallucination reduction through knowledge-grounding	N/A

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Final Thoughts

Final Verdict: Nuclia vs Stonly

After analyzing features, pricing, performance, and user feedback, both Nuclia and Stonly are capable platforms that serve different market segments and use cases effectively.

When to Choose Nuclia

You value specialized for unstructured data
Strong multilingual support (100+ languages)
SOC2 Type 2 and ISO 27001 compliant

Best For: Specialized for unstructured data

When to Choose Stonly

You value exceptional ease of use - 4.8/5 g2 rating with intuitive visual editor praised in 32 reviews
Deep help desk integrations - bidirectional Zendesk, Salesforce, Freshdesk, ServiceNow connections
Strong compliance - SOC 2 Type 2, GDPR, HIPAA, ISO 27001, PCI, CSA Star Level 1

Best For: Exceptional ease of use - 4.8/5 G2 rating with intuitive visual editor praised in 32 reviews

Migration & Switching Considerations

Switching between Nuclia and Stonly 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

Nuclia starts at $300/month, while Stonly begins at $249/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 Nuclia and Stonly 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 16, 2026 | This comparison is regularly reviewed and updated to reflect the latest platform capabilities, pricing, and user feedback.

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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.

Nuclia vs Stonly