What are the main differences between CustomGPT and Fastbots?

CustomGPT excels in Industry-leading accuracy with 97% benchmark score and Patented technology to reduce hallucinations, scoring 94/100 in user ratings with 97% accuracy. Fastbots leads in Best value for multi-LLM access - $19.99/month for GPT-4, Claude, and Gemini (vs competitors at $50-100/month) and 80+ native integrations eliminate need for Zapier/Make middleware (saves $20-50/month) with 96/100 overall rating and 85% accuracy. Key technical difference: CustomGPT focuses on No-code chatbot builder while Fastbots emphasizes Multi-LLM support: GPT-4, GPT-4 Turbo, GPT-3.5, Claude 3 (Opus, Sonnet, Haiku), Gemini Pro 1.5, Llama 3.1. Pricing differs by $79.01/month.

Which is better for enterprises: CustomGPT or Fastbots?

CustomGPT offers SOC 2 compliance for enterprise security. HIPAA compliance varies - contact vendors for details. For scalability, both offer cloud-based deployment options. Fastbots leads with 96/100 enterprise readiness score (45/100 enterprise features).

How much does CustomGPT cost vs Fastbots?

CustomGPT starts at $99/monthly (freemium model), while Fastbots begins at $19.99/monthly (freemium model). Fastbots provides a free tier, and free trials are available. This represents a significant price difference of $79.01/month. See our detailed pricing breakdown for complete tier comparisons.

Can I migrate from CustomGPT to Fastbots?

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

What integrations do CustomGPT and Fastbots support?

CustomGPT integrates with Direct sitemap (Auto-sync), Wordpress(Auto-sync), Wix(Auto-sync), YouTube (Auto-sync), Hubspot Knowledge Base (Auto-sync) (13 integrations total). Fastbots supports WhatsApp (Cloud API + 360Dialog), Facebook Messenger, Instagram DM, Telegram, Slack, Discord, Google Sheets, Airtable (13 integrations available). Both offer REST APIs for custom integrations. Integration coverage is comparable, with webhook support for real-time data sync.

What are the main differences between CustomGPT and Fastbots?

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

Which is better for enterprises: CustomGPT or Fastbots?

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

How much does CustomGPT cost vs Fastbots?

CustomGPT starts at custom pricing/month (subscription model), while Fastbots 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 CustomGPT to Fastbots?

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

What integrations do CustomGPT and Fastbots support?

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

CustomGPT vs Fastbots

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

More about Fastbots More about CustomGPT 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 CustomGPT and Fastbots 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 Fastbots, 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 Fastbots if: you value best value for multi-llm access - $19.99/month for gpt-4, claude, and gemini (vs competitors at $50-100/month)

About CustomGPT

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 Fastbots

Fastbots is ai chatbot platform with 80+ integrations and white-label agency features. Fastbots is a multi-LLM chatbot platform with 80+ native integrations, visual flow builder, and comprehensive white-labeling for agencies. It offers intelligent routing across GPT-4, Claude, and Gemini with competitive pricing starting at $19.99/month, but lacks enterprise certifications and has inconsistent performance across different LLMs. Founded in 2023, headquartered in United States, the platform has established itself as a reliable solution in the RAG space.

Overall Rating

96/100

Starting Price

$19.99/mo

Key Differences at a Glance

In terms of user ratings, both platforms score similarly in overall satisfaction. From a cost perspective, Fastbots offers more competitive entry pricing. The platforms also differ in their primary focus: AI Chatbot versus Chatbot 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

Features	CustomGPT	Fastbots
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	✅ Website crawling – Auto-extract content with configurable depth from URLs ✅ Document upload – PDF, DOCX, TXT, CSV with audio/video transcription ✅ Storage capacity – 400K characters (Free), 11M characters (Starter+) ✅ Auto-retrain – Daily, weekly, monthly scheduled knowledge base updates ⚠️ No native cloud storage – Missing Google Drive, Dropbox, Notion integrations
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	✅ 80+ native integrations – No Zapier/Make dependency, saves $20-50/month ✅ Messaging platforms – WhatsApp, Messenger, Instagram, Telegram, Slack, Discord ✅ CRM & e-commerce – HubSpot, Salesforce, Shopify, WooCommerce with payment support ✅ API access – Available Professional plan ($99/mo) and above
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	✅ Multi-bot support – 1 (Free) to 20 (Business) bots ✅ Lead capture – Forms with qualification scoring and CRM routing ✅ Human handoff – Transfer to inbox or Intercom, Zendesk ✅ Unified inbox – Manage all conversations from one dashboard ✅ Intent detection – AI-powered with custom fallback responses
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	✅ White-label – Remove branding from Starter plan ($19.99) ✅ Custom domain – chat.yourdomain.com with SSL/TLS included ✅ Widget customization – Colors, logo, position, size with custom CSS ✅ Flow builder – Visual drag-and-drop conversation design ✅ Multi-language – 95+ languages with automatic translation
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	✅ OpenAI models – GPT-4, GPT-4 Turbo, GPT-3.5 Turbo ✅ Multiple providers – Anthropic Claude 3, Google Gemini Pro 1.5, Meta Llama 3.1 ✅ Intelligent routing – Route by complexity: GPT-4 complex, GPT-3.5 simple ✅ No API keys – Models included in subscription, no per-token charges ⚠️ Performance varies – GPT-4 best, Claude/Gemini show inconsistencies
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	✅ REST API – Available Professional ($99/mo) and above with webhooks ✅ Custom JavaScript – Inject custom code for widget behavior ⚠️ No official SDKs – Missing Python, JavaScript language-specific libraries ⚠️ Basic documentation – No Swagger/OpenAPI spec, limited resources
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	✅ Accuracy – ~85% with optimal GPT-4 model selection ✅ Response time – Real-time streaming for faster perceived performance ✅ Uptime – ~99.5% estimated from user feedback ✅ Context retention – Conversation memory across messages within session ⚠️ No SLA commitments – No published uptime guarantees
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	✅ GDPR/CCPA compliance – European and California data protection ✅ Data encryption – In transit, at rest, SSL/TLS ⚠️ NO SOC 2/HIPAA/ISO 27001 – Not for enterprise or healthcare ⚠️ NO PCI DSS/FedRAMP – Not for payments or government
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	Free – 1 bot, 100 messages/month, 400K characters Starter ($19.99/mo) – 3 bots, 2K messages, all models, white-label Professional ($99/mo) – 5 bots, 10K messages, API access Business ($399/mo) – 20 bots, 40K messages, account manager ✅ Best value – $19.99 vs $50-100 competitors
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	✅ 4.9/5 customer support – Exceptional G2 rating for pricing tier ✅ Email support – All plans including free tier ✅ Priority support – Professional/Business plans with faster responses ⚠️ No 24/7 support – Limited business hours on lower tiers
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	✅ Conversation analytics – Messages, users, response rates tracking ✅ Sentiment analysis – Track positive, negative, neutral trends ✅ Lead metrics – Capture rate, qualification, conversion tracking ⚠️ Basic analytics – No predictive insights or AI recommendations
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	E-commerce support – 24/7 product queries, order tracking on Shopify/WooCommerce Lead generation – Forms, qualification scoring, CRM sync Multi-channel deployment – WhatsApp, Messenger, Instagram with unified inbox ⚠️ NOT suitable – Regulated industries, voice/IVR use cases
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 compliance certs – Missing SOC 2/HIPAA/ISO/PCI/FedRAMP ⚠️ No cloud storage – Missing Google Drive/Dropbox/Notion ⚠️ Storage limits – 11M characters fills quickly ⚠️ Model variance – GPT-4 best, Claude/Gemini inconsistent ⚠️ No voice/SMS/SDKs – Missing phone, text, developer libraries
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	AI agent transformation – Task-performing AI agents beyond chatbots Zapier AI Actions – Automate workflows mid-conversation In-chat actions – Check orders, book appointments, send emails 95 languages – Automatic language support
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	✅ Website crawling – Auto-extract with depth control, sitemap support ✅ Document upload – PDF, DOCX, TXT, CSV with 11M storage ✅ Audio/video ingestion – Media transcription and extraction ✅ Auto-retrain – Daily, weekly, monthly updates ⚠️ Limitations – No cloud storage integration, 11M fills quickly
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	✅ Best for – SMBs, agencies, e-commerce prioritizing value ✅ Key differentiator – Multi-LLM at $19.99 vs $50-100 competitors ✅ 80+ integrations – Eliminates Zapier, saves $20-50/month ⚠️ Not suitable – Regulated industries, enterprises, voice/IVR
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 – Conversational AI with RAG, not pure RAG-as-a-Service ✅ Data sources – Website, documents, audio/video, sitemap ✅ LLM options – OpenAI, Claude 3, Gemini Pro, Llama 3.1 ✅ Integration ecosystem – 80+ native, no Zapier dependency ⚠️ API-first – Weak: REST API, no SDKs, basic docs ⚠️ Compliance – GDPR/CCPA only, NO SOC 2/HIPAA/ISO
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	OpenAI models – GPT-4, GPT-4 Turbo, GPT-3.5 Turbo Multiple providers – Claude 3, Gemini Pro 1.5, Llama 3.1 Intelligent routing – Route by complexity for cost optimization No API keys required – Models included in subscription
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	✅ 4.8/5 ease of use – G2 rating with minimal learning curve ✅ Quick setup – Users create bots in 15-30 minutes ✅ Template library – Pre-built flows for common use cases ✅ AI training wizard – Guided setup for knowledge base configuration ✅ Preview mode – Test chatbot before publishing to channels
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	✅ Visual flow builder – Drag-and-drop conversation design ✅ Tone and personality – Configurable via system prompts ✅ Multi-language – 95+ languages with automatic translation ✅ Knowledge control – Uploaded info, ChatGPT knowledge, live internet ✅ Lead qualification – Score and route based on responses
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	Free plan – 1 bot, 100 messages/month, 400K characters Starter ($19.99/mo) – 3 bots, 2K messages, all models, white-label Professional ($99/mo) – 5 bots, 10K messages, API access Business ($399/mo) – 20 bots, 40K messages, account manager ✅ Best value – $19.99 GPT-4/Claude/Gemini vs $50-100 competitors
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	✅ GDPR/CCPA compliance – European and California data protection ✅ Data encryption – In transit and at rest with SSL/TLS ⚠️ NO SOC 2/HIPAA – Unsuitable for enterprise or healthcare ⚠️ NO ISO 27001/PCI DSS/FedRAMP – Missing enterprise certifications
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	✅ 4.9/5 customer support – Exceptional G2 rating for tier ✅ Email + live chat – All plans, business hours ✅ Priority support – Professional/Business with faster responses ⚠️ No 24/7 support – Limited hours, no SLA
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	⚠️ Free plan limits – 100 messages/month for testing only ⚠️ Complex flows – Limited multi-step logic capabilities ⚠️ Training investment – Requires time for mastery ✅ Managed services – Available for large enterprise teams ✅ Strategic advantage – Multi-LLM flexibility vs locked competitors
Omnichannel Support	N/A	✅ Website widget – Embeddable chat with full customization ✅ Messaging platforms – WhatsApp, Messenger, Instagram, Telegram, Slack, Discord ✅ API deployment – Build custom interfaces via REST API ⚠️ No voice/IVR/SMS – Missing phone and text messaging capabilities

Final Thoughts

Final Verdict: CustomGPT vs Fastbots

After analyzing features, pricing, performance, and user feedback, both CustomGPT and Fastbots 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 Fastbots

You value best value for multi-llm access - $19.99/month for gpt-4, claude, and gemini (vs competitors at $50-100/month)
80+ native integrations eliminate need for Zapier/Make middleware (saves $20-50/month)
Exceptional customer support - 4.9/5 rating with fast response times

Best For: Best value for multi-LLM access - $19.99/month for GPT-4, Claude, and Gemini (vs competitors at $50-100/month)

Migration & Switching Considerations

Switching between CustomGPT and Fastbots 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 Fastbots begins at $19.99/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 CustomGPT and Fastbots 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: January 19, 2026 | This comparison is regularly reviewed and updated to reflect the latest platform capabilities, pricing, and user feedback.

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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

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.

CustomGPT vs Fastbots