CustomGPT vs SearchUnify

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

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Priyansh Khodiyar's avatar
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 CustomGPT and SearchUnify 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 CustomGPT and SearchUnify, 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 CustomGPT if: you value industry-leading accuracy with 97% benchmark score
  • Choose SearchUnify if: you value g2 leader for 21 consecutive quarters (5+ years) in enterprise search - exceptional market validation vs newer rag startups

About CustomGPT

CustomGPT Landing Page Screenshot

CustomGPT is most accurate rag-as-a-service api for business. CustomGPT is the #1 benchmarked RAG platform that enables businesses to create powerful AI assistants trained on their specific data, offering industry-leading accuracy with reduced hallucinations and seamless integration capabilities. Founded in 2021, headquartered in Needham, Massachusetts, United States, the platform has established itself as a reliable solution in the RAG space.

Overall Rating
94/100
Starting Price
$99/mo

About SearchUnify

SearchUnify Landing Page Screenshot

SearchUnify is ai-powered unified enterprise search and knowledge management. Enterprise cognitive search platform with proprietary Federated RAG (FRAG™) architecture, 100+ pre-built connectors, and mature Salesforce integration. G2 Leader for 21 consecutive quarters (5+ years). Parent company Grazitti Interactive (founded 2008) maintains SOC 2 Type 2 + ISO 27001 + HIPAA compliance. BYOLLM flexibility supports OpenAI, Azure, Google Gemini, Hugging Face, custom models. Critical gaps: NO WhatsApp/Telegram messaging, NO public pricing (AWS Marketplace: $0.01-$0.025/request), NO Zapier integration. Enterprise search heritage vs RAG-first positioning. Founded in 2008 (Grazitti), SearchUnify product launched ~2012, headquartered in Panchkula, India / San Jose, CA, USA, the platform has established itself as a reliable solution in the RAG space.

Overall Rating
84/100
Starting Price
Custom

Key Differences at a Glance

In terms of user ratings, CustomGPT in overall satisfaction. From a cost perspective, SearchUnify offers more competitive entry pricing. The platforms also differ in their primary focus: AI Chatbot versus Enterprise Search. 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

Features
logo of customGPT logo
CustomGPT
logo of searchunify
SearchUnify
Data Ingestion & Knowledge Sources
  • 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
  • 35+ content parsers – PDF, DOC, DOCX, PPT, CSV, TXT, XSL with 12MB size limit per document
  • 100+ pre-built connectors – Salesforce, ServiceNow, Zendesk, SharePoint, Confluence, Google Drive
  • YouTube indexing – Channel/playlist/video-level with timestamped transcript search
  • Auto-sync – 15-minute to manual intervals, webhook-based real-time for Box, Docebo
  • ⚠️ No Notion integration – Notable gap vs competitors supporting Notion knowledge bases
  • ⚠️ 12MB document limit – May constrain large PDF processing
Integrations & Channels
  • 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
  • Native search clients – Salesforce Service Console, ServiceNow, Zendesk, Khoros, Slack
  • Salesforce Summit Partner – Highest tier with AppExchange, native UX integration
  • RESTful API – OAuth 2.0, Swagger docs, three official SDKs (JS, Python, Java)
  • ⚠️ No consumer messaging – NO WhatsApp, Telegram, Facebook Messenger
  • ⚠️ No Zapier – Significant gap for no-code automation vs 7,000+ app competitors
Core Chatbot Features
  • ✅ #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
N/A
Customization & Branding
  • 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
  • Theme editor – Colors, fonts, icons, messaging without code
  • NLP Manager – Synonyms, acronyms, keywords per language
  • Visual search tuning – Boost/downgrade rankings via admin UI
  • Temperature controls – Per-persona, use case, audience type
L L M Model Options
  • 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
  • BYOLLM architecture – Avoid vendor lock-in with flexible model selection
  • Claude via Bedrock – 14-day trial, OpenAI, Azure OpenAI, Google Gemini
  • Hugging Face support – Open-source models for custom deployments
  • Multiple connections – Connect providers simultaneously with failover
  • ⚠️ No auto routing – Manual configuration vs query complexity-based routing
Developer Experience ( A P I & S D Ks)
  • 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
  • Three official SDKs – JavaScript (su-sdk), Python (searchunify), Java (Maven)
  • MCP support – su-mcp library for Claude Desktop and LLM tooling
  • RESTful API v2 – Swagger docs, OAuth 2.0 (4-hour access, 14-day refresh tokens)
  • ⚠️ Rate limits unclear – Requires community documentation access
  • ⚠️ No API versioning policy – Potential breaking change risk
Performance & Accuracy
  • 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
  • 120-second analytics – Near real-time dashboard refresh
  • FRAG™ mitigation – 3-layer architecture reduces hallucinations
  • Customer results – Accela 99.7% cost savings, Cornerstone 98% self-service
  • YouTube timestamps – Transcript search returns exact audio segments
Security & Compliance
  • 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
  • SOC 1/2/3 Type II – ISO 27001, ISO 27701, HIPAA, GDPR compliant
  • Single-tenant – Customer data isolation, no cross-tenant leakage
  • AES-256 + TLS 1.3 – Encryption at rest and in transit
  • SSO integration – SAML 2.0 with Okta, Azure AD, OneLogin, Google
  • FRAG security – Sensitive data removal before LLM transmission
Pricing & Plans
  • 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
  • ⚠️ No public pricing – Requires enterprise sales engagement
  • AWS Marketplace – 100K searches: $0.025/req, 200K: $0.015, 300K: $0.01
  • Unlimited connectors – Flat subscription, no per-connector fees
  • 7-14 day deployment – Using pre-built connectors
  • ⚠️ Annual escalation – Reviews note "guaranteed price increase every year"
Support & Ecosystem
  • 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
  • SearchUnify Academy – Free training with certifications
  • 97-98% G2 satisfaction – "Ease of Doing Business With" rating
  • G2 Leader – 21 consecutive quarters in Enterprise Search
  • Enterprise support – Phone, email, chat with dedicated account managers
Observability & Monitoring
  • 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
  • 30+ pre-built metrics – Search performance, conversion tracking, content gaps
  • Actionable Insights – AI-generated plain-English recommendations
  • SUVA metrics – Deflection rate, handover, CSAT, LLM token usage
  • Admin activity logs – 30-day retention with CSV export
Use Cases
  • 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
  • Enterprise support – SUVA deflects tickets with federated knowledge
  • Salesforce enhancement – Native Service Console and Communities integration
  • Multi-system unification – 100+ sources consolidated (CRM, LMS, SharePoint)
  • Training/LMS search – YouTube transcripts + Docebo + documentation unified
Limitations & Considerations
  • 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
  • ⚠️ No public pricing – Requires sales engagement, annual escalation clauses
  • ⚠️ No consumer messaging – NO WhatsApp, Telegram, Messenger native
  • ⚠️ No Zapier – Major gap for no-code automation workflows
  • ⚠️ Cloud-only – No on-premise/air-gapped for regulated industries
  • ⚠️ 12MB document limit – May constrain large PDF processing
  • Best for – Salesforce-centric enterprises; not API-first developers
Core Agent Features
  • 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
  • SUVA Virtual Assistant – "World's First Federated RAG Chatbot" analyzing 20+ attributes
  • 35+ languages – Native Arabic, German, French, Mandarin with extended CSV config
  • Human handoff – Escalation to Salesforce, Zendesk, Khoros with full context
  • SearchUnifyGPT™ – LLM answers with inline citations above traditional search
  • Up to 5 agents – Per instance deployable across portals
R A G Capabilities
  • 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
  • FRAG™ 3-layer – Federation + Retrieval + Augmented Generation
  • Hybrid search – Full-text + vector + ML re-ranking combined
  • Multi-repository – Docs, forums, LMS, CRM unified retrieval
  • Hallucination mitigation – Sensitive data removal before LLM transmission
Competitive Positioning
  • 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
  • G2 + IDC + Forrester – Leader 21 quarters, MarketScape Major Player
  • 100+ connectors – Reduced integration effort vs custom connector platforms
  • Salesforce Summit – Native UX integration vs API-only competitors
  • ⚠️ Cloud-only – No on-premise/air-gapped deployment
  • ⚠️ No consumer messaging – Enterprise support channels only
R A G-as-a- Service Assessment
  • 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
  • Platform type – ENTERPRISE COGNITIVE SEARCH with RAG, not pure RaaS
  • 5+ years leadership – G2 Leader 21 quarters with RAG as enhancement
  • FRAG™ differentiator – Proprietary federated architecture for enterprise
  • Target users – Large enterprises with 100+ fragmented knowledge sources
  • ⚠️ Not for developers – Not lightweight API-first RAG for SMBs
A I Models
  • 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
  • BYOLLM – Claude (Bedrock), OpenAI, Azure, Gemini, Hugging Face
  • Multiple connections – Simultaneous providers with activation toggles
  • Temperature controls – Per-persona creativity adjustment
  • Failover mechanisms – Automatic when primary LLMs unavailable
No- Code Interface & Usability
  • 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
  • 97-98% G2 usability – Consistently high "Ease of Use" ratings
  • Visual configuration – OAuth flows, content sources via admin UI
  • Drag-and-drop – Salesforce Console search client components
  • SUVA Agent Builder – Visual config for up to 5 agents per instance
Customization & Flexibility ( Behavior & Knowledge)
  • 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
N/A
Pricing & Scalability
  • 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
N/A
Security & Privacy
  • 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
N/A
Support & Documentation
  • 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
N/A
Additional Considerations
  • 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
  • ✅ 100+ connectors – Reduced integration effort, 7-14 day deployment
  • ✅ FRAG™ architecture – Enterprise hallucination mitigation
  • ✅ Salesforce Summit – Deepest native integration available
  • ⚠️ Cloud-only – No on-premise/air-gapped option
  • ⚠️ No public pricing – Requires sales engagement
  • ⚠️ No consumer messaging – WhatsApp, Telegram, Zapier absent
F R A G™ Architecture ( Core Differentiator)
N/A
  • Federated RAG – 3-layer framework for hallucination mitigation in enterprise retrieval
  • Federation Layer – 360-degree context across 100+ connected sources simultaneously
  • Retrieval Layer – Keyword matching + semantic similarity + vector search combined
  • ✅ Multi-repository context – Docs, forums, LMS, CRM, tickets unified for comprehensive answers

Final Thoughts

Final Verdict: CustomGPT vs SearchUnify

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

When to Choose CustomGPT

  • You value industry-leading accuracy with 97% benchmark score
  • Patented technology to reduce hallucinations
  • Easy no-code setup with powerful customization

Best For: Industry-leading accuracy with 97% benchmark score

When to Choose SearchUnify

  • You value g2 leader for 21 consecutive quarters (5+ years) in enterprise search - exceptional market validation vs newer rag startups
  • Proprietary FRAG™ architecture specifically designed for hallucination mitigation with 3-layer federation, retrieval, augmented generation
  • 100+ pre-built connectors dramatically reduce integration effort - Google Drive, Salesforce, ServiceNow, Zendesk, Slack, MS Teams, YouTube, Adobe AEM

Best For: G2 Leader for 21 consecutive quarters (5+ years) in Enterprise Search - exceptional market validation vs newer RAG startups

Migration & Switching Considerations

Switching between CustomGPT and SearchUnify 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

CustomGPT starts at $99/month, while SearchUnify begins at custom pricing. 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

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

For most organizations, the decision between CustomGPT and SearchUnify 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 2, 2026 | This comparison is regularly reviewed and updated to reflect the latest platform capabilities, pricing, and user feedback.

See Also

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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.

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Priyansh Khodiyar's avatar

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.

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