Fastbots vs Glean

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

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 Fastbots and Glean 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 Fastbots and Glean, 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 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)
  • Choose Glean if: you value permissions-aware ai is genuinely differentiated - real-time enforcement across 100+ datasources addresses critical enterprise concern

About Fastbots

Fastbots Landing Page Screenshot

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

About Glean

Glean Landing Page Screenshot

Glean is enterprise work ai with permissions-aware rag across 100+ apps. Glean is a premium enterprise RAG platform with permissions-aware AI as its core differentiator. Founded by ex-Google Search engineers, Glean achieved $100M ARR in three years and a $7.2B valuation (2025). It connects 100+ enterprise apps with real-time access controls, supports 15+ LLMs, and offers comprehensive APIs with 4-language SDKs. Trade-offs: enterprise-only sales (~$50/user/month, ~$60K minimum), no consumer messaging channels, and premium positioning over plug-and-play simplicity. Founded in 2019, headquartered in Palo Alto, CA, the platform has established itself as a reliable solution in the RAG space.

Overall Rating
96/100
Starting Price
$50/mo

Key Differences at a Glance

In terms of user ratings, both platforms score similarly in overall satisfaction. From a cost perspective, Fastbots starts at a lower price point. The platforms also differ in their primary focus: Chatbot Platform versus Enterprise RAG. 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

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Fastbots
logo of glean
Glean
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Data Ingestion & Knowledge Sources
  • ✅ 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
  • ✅ 100+ native connectors – Cloud storage, CRM, collaboration platforms plus Indexing API
  • File formats – PDFs, Word, HTML, spreadsheets, structured data
  • Real-time sync – Content within minutes, permission changes immediate
  • ⚠️ Initial indexing – Few days depending on volume
  • Scale – 10K-100K users, hundreds of millions of documents
  • 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
L L M Model Options
  • ✅ 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
  • ✅ 15+ LLMs supported – GPT-4, Gemini 1.5 Pro, Claude 3 Sonnet
  • Per-step model selection – Different LLMs for each workflow step
  • Temperature controls – Factual, balanced, or creative output settings
  • BYOK support – Glean Universal Key or Customer Key options
  • Automatic routing – Zero data retention, optimizes top models per query
  • 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
Performance & Accuracy
  • ✅ 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
  • ✅ 74% human-agreement rate – 25% precision increases
  • 141% ROI over 3 years – Forrester Total Economic Impact
  • 110 hours saved per employee annually – Productivity gains
  • Hallucination prevention – RAG grounding, permissions, citations
  • 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
Integrations & Channels
  • ✅ 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
  • Slack & Teams – Official apps, Gleanbot auto-responses, Real-Time Search API
  • Browser extensions – Chrome (300K+ users), Firefox, Safari, Edge
  • ⚠️ No WhatsApp/Telegram – Designed for internal enterprise use only
  • SSO protocols – OIDC, SAML 2.0 with Okta, Microsoft Entra
  • 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
Developer Experience ( A P I & S D Ks)
  • ✅ 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
  • ✅ Client & Indexing APIs – Search, Chat, Agents, Documents, Governance
  • Official SDKs – Python, Java, Go, TypeScript with async support
  • Web SDK – Embeddable chat, search, autocomplete, recommendations components
  • Framework integrations – LangChain, CrewAI, OpenAI Assistants, MCP Server
  • Authentication – OAuth 2.0, user-scoped tokens, impersonation support
  • 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
Customization & Branding
  • ✅ 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
  • UI customization – Custom logos, color schemes, background images
  • Custom subdomains – your-company.glean.com
  • Chat widget styling – CSS positioning, width/height, custom containers
  • ⚠️ Limited white-labeling – Glean branding may remain visible
  • 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
Core Chatbot Features
  • ✅ 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
  • Glean Chat interface – Natural conversations with company knowledge
  • Multi-turn conversations – Context awareness across turns
  • Streaming responses – Real-time with source citations
  • ✅ #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
Omnichannel Support
  • ✅ 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
N/A
N/A
Observability & Monitoring
  • ✅ 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
  • Insights Dashboard – DAU/WAU/MAU, Search Session Satisfaction metrics
  • Usage metrics – Searches and chats per user per week
  • 270-day data retention – Department-level filtering
  • Audit logging – User activity, access patterns, SIEM export
  • 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
Pricing & Scalability
  • 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
  • ⚠️ No public pricing – Enterprise sales only
  • Estimated cost – ~$45-50+ per user/month
  • Minimum ACV – ~$60K (approximately 100 users minimum)
  • No free trial – Paid POCs up to $70K
  • Annual contracts – Per-seat model, 7-12% renewal increases, FlexCredits for premium
  • 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/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
  • ✅ SOC 2 Type II, ISO 27001, HIPAA, GDPR
  • ⚠️ No FedRAMP – Not for US federal government
  • AES-256 at rest, TLS 1.2+ in transit
  • Single-tenant – Isolated per customer, Cloud-Prem option
  • 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
Support & Ecosystem
  • ✅ 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
  • Standard support – 24x5 via portal, email, Slack Connect
  • Premium support – 24x7 critical issues with additional fee
  • ✅ Excellent documentation – developers.glean.com with OpenAPI specs
  • GitHub repositories – SDK examples and sample projects
  • 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
  • ✅ 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
  • ✅ Natural language configuration – Describe goals in plain language
  • Visual builder – Drag-and-drop workflow creation
  • AI-assisted creation – Auto-generates draft agents
  • 30+ prebuilt agents – Sales, engineering, IT, HR
  • 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
  • ✅ 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
  • ✅ Unique strength – Real-time permissions-aware AI across 100+ datasources
  • Proven ROI – 141% ROI, 110 hours/employee saved
  • ⚠️ Pricing barrier – ~$50/user/month, ~$60K minimum
  • 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
  • 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
  • ✅ 15+ LLMs – GPT-4, Gemini 1.5 Pro, Claude 3 with per-step selection
  • Temperature controls – Factual, balanced, or creative output
  • BYOK support – Customer Key for data sovereignty
  • 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
  • ✅ 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
  • ✅ Hybrid search – Semantic + lexical for accuracy
  • Knowledge Graph Framework – Proprietary anchors across data
  • 74% human-agreement – 25% precision increases
  • 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
  • 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
  • Enterprise knowledge – Unified search across 100+ datasources
  • Permissions-aware – Healthcare, finance, legal hierarchies
  • AI agents – 30+ prebuilt for sales, engineering, IT
  • 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/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
  • ✅ SOC 2 Type II, ISO 27001, HIPAA, GDPR
  • ⚠️ NO FedRAMP – Not for US federal government
  • Single-tenant – Isolated per customer, Cloud-Prem option
  • 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
  • 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
  • ⚠️ No public pricing – Enterprise sales only
  • ~$45-50+/user/month – Estimated cost from reports
  • ~$60K minimum ACV – Approximately 100 users minimum
  • 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
  • ✅ 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
  • 24x5 standard support – Portal, email, Slack Connect
  • ✅ Excellent documentation – developers.glean.com with OpenAPI
  • Official SDKs – Python, Java, Go, TypeScript
  • 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 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
  • ⚠️ High cost barrier – ~$50/user/month, ~$60K minimum
  • ⚠️ NO FedRAMP – Not for US federal government
  • ⚠️ No consumer channels – No WhatsApp, Telegram
  • Complex implementation – Indexing takes days
  • 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
  • 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
  • ✅ Autonomous AI agents – Understand tasks, execute autonomously
  • Natural language builder – Describe goals, auto-designs workflows
  • 100+ native actions – Slack, Teams, Salesforce, Jira, GitHub
  • 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 – 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
  • ✅ TRUE RAG PLATFORM – API-first with comprehensive tools
  • Data flexibility – 100+ connectors, Indexing API
  • Best for – Large enterprises requiring permissions-aware RAG
  • 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
Additional Considerations
  • ⚠️ 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
  • ⚠️ Cannot create content directly – Focuses on search/retrieval
  • Large organization focus – May be overkill for smaller teams
  • Training investment – Upskilling employees needed
  • 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 & Flexibility ( Behavior & Knowledge)
  • ✅ 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
  • Natural language config – Build agents without technical expertise
  • Visual builder – Drag-and-drop workflow creation
  • 30+ templates – Sales, engineering, IT, HR
  • 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
Core R A G Features
N/A
  • ✅ Hybrid search – Semantic (vector-based) + lexical (keyword) approaches
  • Knowledge Graph Framework – Proprietary anchors across enterprise data
  • LLM Control Layer – Optimizes outputs with context-aware query rewriting
  • Grounded answers – Source citations with every response
N/A
Permissions- Aware A I ( Core Differentiator)
N/A
  • ✅ Real-time access control – Across all 100+ datasources
  • Identity crawling – Users, groups, memberships, permission models
  • Connector-level mirroring – Respects native permissions (Salesforce, GDrive)
  • Zero-trust architecture – Users only see authorized content
N/A
Multi- Language & Localization
N/A
  • Full support – English, German, Japanese (semantic, assistant, UI)
  • Partial support – French, Spanish
  • 20+ languages – Early access or keyword search
N/A
Conversation & Agent Features
N/A
  • Conversation history – Thread tracking in Slack, History tab
  • Version control – All agent versions auto-saved
  • ⚠️ No lead capture – Designed for internal enterprise use
N/A
Deployment Options
N/A
  • Cloud (SaaS) – Standard Glean infrastructure deployment
  • Cloud-Prem – Customer-hosted in AWS or GCP
  • Single-tenant architecture – Isolated per customer
N/A

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Final Thoughts

Final Verdict: Fastbots vs Glean

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

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)

When to Choose Glean

  • You value permissions-aware ai is genuinely differentiated - real-time enforcement across 100+ datasources addresses critical enterprise concern
  • Strong developer experience - comprehensive APIs, 4-language SDKs (Python, Java, Go, TypeScript), LangChain integration
  • Model flexibility without vendor lock-in - 15+ LLMs with per-step selection and bring-your-own-key option

Best For: Permissions-aware AI is genuinely differentiated - real-time enforcement across 100+ datasources addresses critical enterprise concern

Migration & Switching Considerations

Switching between Fastbots and Glean 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

Fastbots starts at $19.99/month, while Glean begins at $50/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

  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 Fastbots and Glean 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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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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