Data Ingestion & Knowledge Sources
Document formats – PDF, DOCX, PPTX, CSV, TXT, HTML; 5MB free tier limitWebsite crawling – Hundreds of thousands of pages indexed under 5 minutesGoogle Drive – Native integration with real-time sync for cloud contentSQL databases – MySQL, PostgreSQL, Oracle, SQL Server, AWS/Azure/Google Cloud SQL⚠️ YouTube, Dropbox, Notion, OneDrive – Zapier middleware required (no native integration)
Document Formats – PDF, DOC, MD, TXT with automatic OCR parsingSpreadsheets – CSV, XLS, XLSX with header+row slicing methodologyCloud Integrations – Google Drive auto-sync, Notion, Microsoft Word scheduled updatesWebsite Crawling – Sitemap mode with scheduled refresh for automatic updatesAudio/Video – ASR services, YouTube transcript extraction via official toolsDatabase Support – MySQL, PostgreSQL, SQL Server, Oracle, MongoDB, Redis queries✅ Real-Time Activation – Knowledge effective immediately after saving without deployment delays
✅ Conversation-to-Knowledge – One-click training from logs with automatic Q&A pair generation
1,400+ file formats – PDF, DOCX, Excel, PowerPoint, Markdown, HTML + auto-extraction from ZIP/RAR/7Z archivesWebsite crawling – Sitemap indexing with configurable depth for help docs, FAQs, and public contentMultimedia transcription – AI Vision, OCR, YouTube/Vimeo/podcast speech-to-text built-inCloud integrations – Google Drive, SharePoint, OneDrive, Dropbox, Notion with auto-syncKnowledge platforms – Zendesk, Freshdesk, HubSpot, Confluence, Shopify connectorsMassive scale – 60M words (Standard) / 300M words (Premium) per bot with no performance degradation
Hybrid Retrieval Architecture ( Core Differentiator)
✅ Three-component system – Elasticsearch + Milvus vectors + XGBoost ML reranking
75.33 NDCG@10 – MTEB vs 73.16 pure vector (3% improvement)96.50% Recall@20 – Anthropic benchmark vs 90.06% baselineModels – snowflake-arctic-embed-m, bge-en-icl, voyage-2, OpenAI text-embedding-3-large✅ Key finding – Open-source models match/exceed paid alternatives in benchmarks
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98.3% response accuracy – Claimed with 1.2-second average responseSource citation – Visual PDF highlighting with page-level references⚠️ No published uptime SLA – Service reliability not documented
Hybrid RAG Architecture – Multi-path retrieval with semantic vector + keyword searchRe-Ranking Models – Jina and BAAI models for improved accuracy after retrievalChunking Strategy – Default 600 tokens adjustable with custom text splittersHallucination Prevention – RAG grounding, configurable relevance score thresholds✅ DeepSeek R1 Integration – Claimed 87.5% AIME accuracy (improved from 70%)
⚠️ Case Study Results – GameWorld claims $4M annual savings (self-reported)
❌ Benchmark Gap – NO published RAGAS scores or third-party analyst coverage
Sub-second responses – Optimized RAG with vector search and multi-layer cachingBenchmark-proven – 13% higher accuracy, 34% faster than OpenAI Assistants APIAnti-hallucination tech – Responses grounded only in your provided contentOpenGraph citations – Rich visual cards with titles, descriptions, images99.9% uptime – Auto-scaling infrastructure handles traffic spikes
Developer Experience ( A P I & S D Ks)
REST API + GraphQL – Bearer token auth with scored passage responsesdenser-retriever – MIT-licensed Python package (261 stars, 30 forks)Docker Compose – Full stack with Elasticsearch and Milvus containers⚠️ Self-hosted "not production suitable" – Requires additional persistence and secrets config
Rate limits – 200 API calls/month on free tier
REST API – 8 categories: Conversation, Workflow, Knowledge, Database, Models, User, Analytics, AccountCore Capabilities – Create conversations, send messages, retrieve history, run workflows (sync/async)Audio Support – Audio-to-text and text-to-audio conversion endpointsUser Management – Identity management with cross-channel user merging⚠️ Rate Limits – Free tier severely constrained at 3 requests/minute
❌ SDK Gap – NO official Python, JavaScript, or Go SDKs available
Documentation – Comprehensive references, multi-language support, 11+ releases in 2025⚠️ Critical Limitation – Developers must implement direct REST calls without SDK support
REST API – Full-featured for agents, projects, data ingestion, chat queriesPython SDK – Open-source customgpt-client with full API coveragePostman collections – Pre-built requests for rapid prototypingWebhooks – Real-time event notifications for conversations and leadsOpenAI compatible – Use existing OpenAI SDK code with minimal changes
Supported LLMs – GPT-4o, GPT-4o mini, GPT-3.5, Claude (version unspecified)API keys – Users provide OpenAI or Claude keys via environment⚠️ No custom fine-tuning – No private model hosting documented
OpenAI – GPT-5.1 (400k context), GPT-4.1 (1M context), GPT-4o, o3, o4-miniAnthropic – Claude 4.5 Opus/Sonnet/Haiku (200k), Claude 4.0 SonnetGoogle – Gemini 3.0 Pro, Gemini 2.5 Pro/FlashDeepSeek – V3, R1 reasoning model (claimed 87.5% AIME 2025 accuracy)Meta – Llama 3.0/3.1 (8B-405B parameter range)Chinese LLMs – Qwen 3.0/2.5, Hunyuan, ERNIE 4.0, GLM-4.5✅ Dynamic Model Switching – Mid-conversation changes based on task requirements
✅ Service Modes – GPTBots-provided API keys OR bring-your-own-key with reduced credits
✅ Competitive Differentiator – 30+ model options, one of market's most comprehensive selections
GPT-5.1 models – Latest thinking models (Optimal & Smart variants)GPT-4 series – GPT-4, GPT-4 Turbo, GPT-4o availableClaude 4.5 – Anthropic's Opus available for EnterpriseAuto model routing – Balances cost/performance automaticallyZero API key management – All models managed behind the scenes
Website deployment – JavaScript widget (single line), iFrame, REST APIWordPress – Official plugin with page-specific targeting for no-code installZapier – 6,000+ apps with lead form triggers and events⚠️ No native Slack, Teams, Discord – WhatsApp via Zapier only
⚠️ CRM via Zapier only – HubSpot, Salesforce, Zendesk not native
Messaging Platforms – WhatsApp (Meta+EngageLab), Telegram, Slack, Discord, Messenger, Instagram, Line, WeChat, DingTalkCustomer Service – Intercom, LiveChat, Zoho, Zendesk (Zapier), Sobot, SaleSmartly, LivedeskCRM Integration – Salesforce and HubSpot for lead capture with AI SDR capabilitiesAutomation – Zapier (1,500+ apps), n8n workflow support, Webhook V2Website Embedding – Bubble widget, iframe with user ID passthrough, full APIMobile Integration – iOS Swift and Android Java WebView bridges⚠️ Access Control – Domain whitelisting, configurable credit consumption limits per user
Website embedding – Lightweight JS widget or iframe with customizable positioningCMS plugins – WordPress, WIX, Webflow, Framer, SquareSpace native support5,000+ app ecosystem – Zapier connects CRMs, marketing, e-commerce toolsMCP Server – Integrate with Claude Desktop, Cursor, ChatGPT, WindsurfOpenAI SDK compatible – Drop-in replacement for OpenAI API endpointsLiveChat + Slack – Native chat widgets with human handoff capabilities
Drag-and-drop builder – Theme colors, logos, button sizing, bubblesCustom domains – Available on paid tiers for white-labelingWelcome messages – Configure suggested questions and greetings
Widget Customization – Custom nickname, theme color, bubble icon, position, sizeProactive Messaging – Configurable triggers with condition-based timing for automated engagementWhite-Labeling – Private deployment with independent brand logos and service domainsMulti-Agent Specialization – Create specialized AI roles with unique expertise and knowledge basesRegional Control – Data storage selection (Singapore default, Japan, Thailand)RBAC – Owner, manager, viewer roles with team seat management
Full white-labeling included – Colors, logos, CSS, custom domains at no extra cost2-minute setup – No-code wizard with drag-and-drop interfacePersona customization – Control AI personality, tone, response style via pre-promptsVisual theme editor – Real-time preview of branding changesDomain allowlisting – Restrict embedding to approved sites only
No- Code Interface & Usability
Visual builder – Drag-and-drop theme customization without codingSetup – Single line JavaScript; WordPress plugin for no-code⚠️ Learning curve – Documentation fragmented across multiple sites
⚠️ ~4-person team – Impacts enterprise support capacity
Visual Builder – Drag-and-drop agent construction with "no development burden"Three Complexity Levels – Agent (simple), Flow-Agent (visual), MultiAgent (collaborative)Pre-Built Templates – Customer support, lead generation, appointment schedulingDebug & Preview – Test conversations before deployment with retrieval testing90-Language Support – Multilingual deployment without technical configuration
2-minute deployment – Fastest time-to-value in the industryWizard interface – Step-by-step with visual previewsDrag-and-drop – Upload files, paste URLs, connect cloud storageIn-browser testing – Test before deploying to productionZero learning curve – Productive on day one
Integrated lead capture – Configurable fields (name, email, company, role, phone)Conversation-triggered forms – Dynamic deployment based on conversation contextAnalytics dashboard – Lead quality, satisfaction scores, conversion trends✅ 24.8% conversion rate – Claimed on homepage demonstrating effectiveness
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Multi- Language & Localization
80+ languages – Automatic language detection for global deploymentsMultilingual rerankers – jinaai/jina-reranker-v2-base-multilingual support
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Conversation history – 30-360 days retention by tierHuman handoff – Triggers when complexity exceeds scopeEscalation workflows – Zendesk ticket creation for handoffs
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Observability & Monitoring
Conversation logs – Retention by tier (30-360 days)User engagement tracking – Common queries, conversation length, drop-off points⚠️ No A/B testing – No third-party BI integration (Tableau, PowerBI)
⚠️ No real-time alerting – No documented SLA tracking
Analytics API – Dedicated endpoints for credit consumption trackingToken Tracking – API V2 includes detailed input/output token countsConversation Logs – Full history with configurable retentionGA4 Integration – Event callback tracking for conversion measurementRetrieval Testing – Debug knowledge base recall quality before deployment⚠️ Monitoring Gap – Specific alerting capabilities less emphasized than core features
Real-time dashboard – Query volumes, token usage, response timesCustomer Intelligence – User behavior patterns, popular queries, knowledge gapsConversation analytics – Full transcripts, resolution rates, common questionsExport capabilities – API export to BI tools and data warehouses
S Q L Database Chat ( Unique Feature)
✅ Direct SQL connectivity – Conversational BI across major databases
Supported databases – MySQL, PostgreSQL, Oracle, SQL Server, AWS/Azure/Google Cloud SQLNatural language to SQL – Ask questions, receive database query resultsAES-256 encryption – Secure connections with read-only access requirement
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Free – $0: 1 chatbot, 20 queries/month, 5MB limitStarter – $19-29/month: 2 chatbots, 1,500 queries/month, 30-day logsStandard – $89-119/month: 4 chatbots, 7,500 queries/month, custom domainBusiness – $399-799/month: 8 chatbots, 15,000 queries/month, priority supportEnterprise – Custom: Private cloud, dedicated support, AWS Marketplace⚠️ User feedback – "Plans quite restrictive, credit limits reached sooner"
Free Plan – $0/month, 100 credits, unlimited agents (3 requests/minute limit)Business Plan – $649/month, 10,000 credits, 100 agents, 10 published, 10 seatsEnterprise Plan – Custom pricing with private deployment and AI project consultingCredit System – 100 credits = $1 USD, 1-year validity (use-it-or-lose-it)Sample Consumption – GPT-4.1 (0.22/0.88), DeepSeek V3 (0.0157/0.0314), Claude 4.5 (0.33/1.65)⚠️ Entry Cost Barrier – $649/month significantly higher than sub-$100 competitors
✅ Scale Support – 45,500+ users across 188 countries validates enterprise scalability
Standard: $99/mo – 60M words, 10 botsPremium: $449/mo – 300M words, 100 botsAuto-scaling – Managed cloud scales with demandFlat rates – No per-query charges
⚠️ NO SOC 2, HIPAA, ISO 27001, GDPR certifications – Not for regulated industries
Private cloud deployments – Enterprise tier for data sovereigntyAES-256 encryption – Database connections with read-only accessAWS infrastructure – Data storage and processing on AWS
ISO 27001 – Information Security Management System certificationISO 27701 – Privacy Information Management System certificationGDPR Compliance – Explicit compliance with data deletion within 15 business daysEncryption – SSL/HTTPS for transit, encryption technology for data at restRegional Storage – Singapore (default), Japan, Thailand data centersSSO Support – SAML 2.0 with Microsoft Azure, Okta, OneLogin, Google⚠️ SOC 2 – Referenced but explicit certification details not prominently documented
❌ HIPAA – Not mentioned, potential blocker for healthcare use cases
SOC 2 Type II + GDPR – Third-party audited complianceEncryption – 256-bit AES at rest, SSL/TLS in transitAccess controls – RBAC, 2FA, SSO, domain allowlistingData isolation – Never trains on your data
✅ denser-retriever – MIT-licensed, 261 GitHub stars, full RAG transparency
Docker Compose deployment – Local experimentation with Elasticsearch and MilvusValidate benchmarks – Test embeddings, rerankers, chunking on own data⚠️ Self-hosted "not production suitable" – Denser recommends managed SaaS
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Founded 2023 – Silicon Valley startup, ~4 employees (bootstrapped)✅ Founder Zhiheng Huang – Former Amazon Kendra scientist, Amazon Q lead
70+ research papers – 14,000+ citations; BLSTM-CRF 5,400+ citations
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R A G-as-a- Service Assessment
✅ TRUE RAG PLATFORM – Hybrid retrieval with open-source transparency
Data source flexibility – Good (documents, websites, Google Drive, SQL)LLM model options – Good (GPT-4o, Claude, multiple embeddings/rerankers)✅ Open-source transparency – Excellent (MIT-licensed core, published benchmarks)
⚠️ Compliance & certifications – Poor (no SOC 2, HIPAA, ISO 27001)
Best for – Technical teams prioritizing retrieval accuracy and validation
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Platform type – TRUE RAG-AS-A-SERVICE with managed infrastructureAPI-first – REST API, Python SDK, OpenAI compatibility, MCP ServerNo-code option – 2-minute wizard deployment for non-developersHybrid positioning – Serves both dev teams (APIs) and business users (no-code)Enterprise ready – SOC 2 Type II, GDPR, WCAG 2.0, flat-rate pricing
vs CustomGPT – Superior retrieval transparency, SQL chat; gaps in compliancevs Glean – Open-source vs proprietary, lower cost; lacks permissions-aware AI✅ Unique strengths – Hybrid retrieval benchmarks, founder pedigree, SQL chat
Target audience – Developers building AI chatbots without strict compliance
✅ Primary Advantage – Unmatched multi-LLM orchestration with 30+ models
✅ Deployment Flexibility – Only platform offering SaaS, cloud-native, and on-premise
✅ Security Credentials – ISO 27001/27701 certification rare among AI platforms
✅ Asia-Pacific Focus – Regional data centers, Chinese LLM support, multi-language docs
❌ Primary Challenge – NO official language SDKs (Python, JavaScript, Go)
⚠️ Pricing Barrier – $649/month significantly higher than sub-$100 competitors
⚠️ Free Tier Limitation – 3 requests/minute severely constrains production use
⚠️ Market Position – 223rd among 1,893 AI competitors (Tracxn)
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 pricingvs OpenAI – 10% lower hallucination, 13% higher accuracy, 34% fastervs Botsonic/Chatbase – More file formats, source citations, no hidden costsvs LangChain – Production-ready in 2 min vs weeks of development
✅ Hybrid retrieval – ES + Milvus vectors + XGBoost reranking
75.33 NDCG@10 on MTEB – vs 73.16 pure vector (3% improvement)96.50% Recall@20 – Anthropic benchmark vs 90.06% baselineSource citation – Visual PDF highlighting with page references98.3% accuracy claimed – 1.2-second average response time
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GPT-4 + RAG – Outperforms OpenAI in independent benchmarksAnti-hallucination – Responses grounded in your content onlyAutomatic citations – Clickable source links in every responseSub-second latency – Optimized vector search and cachingScale to 300M words – No performance degradation at scale
Customer support chatbots – Website deployment with 24.8% conversion rate✅ SQL database chat (unique) – Natural language queries against major databases
Technical documentation – Hundreds of thousands of pages indexed under 5 minutesMultilingual support – 80+ languages with automatic detectionDeveloper-focused RAG – MIT-licensed denser-retriever for validation
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Customer support – 24/7 AI handling common queries with citationsInternal knowledge – HR policies, onboarding, technical docsSales enablement – Product info, lead qualification, educationDocumentation – Help centers, FAQs with auto-crawlingE-commerce – Product recommendations, order assistance
Documentation – docs.denser.ai, retriever.denser.ai, GitHub READMEs⚠️ Documentation fragmented – Information scattered across multiple sites
~4-person team – Impacts enterprise support capacityOpen-source community – 261 GitHub stars, 30 forks, MIT license
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Documentation hub – Docs, tutorials, API referencesSupport channels – Email, in-app chat, dedicated managers (Premium+)Open-source – Python SDK, Postman, GitHub examplesCommunity – User community + 5,000 Zapier integrations
Limitations & Considerations
⚠️ No compliance certifications – Missing SOC 2, HIPAA, ISO 27001, GDPR
⚠️ Small team (~4 people) – Potential scaling constraints for enterprise
⚠️ Heavy Zapier dependency – No native Slack, Teams, CRM integrations
⚠️ Fragmented documentation – Scattered across docs, retriever docs, GitHub
⚠️ User feedback – "Plans restrictive, credit limits reached sooner"
❌ NO Official Language SDKs – CRITICAL GAP limiting developer adoption
❌ iOS/Android WebView Only – Not full native SDK functionality
⚠️ Free Tier Constraints – 3 requests/minute prevents meaningful testing
⚠️ High Entry Price – $649/month creates SMB adoption barrier
⚠️ Credit System Complexity – Multi-dimensional consumption requires careful forecasting
⚠️ Performance Claims Unvalidated – 95% resolution, 90% issue reduction self-reported
❌ No Published Benchmarks – Absence of RAGAS scores or analyst coverage
❌ HIPAA Absence – No healthcare PHI handling compliance
⚠️ Update Cadence Trade-off – 1-4 updates/year (private) vs monthly (public cloud)
Managed service – Less control over RAG pipeline vs build-your-ownModel selection – OpenAI + Anthropic only; no Cohere, AI21, open-sourceReal-time data – Requires re-indexing; not ideal for live inventory/pricesEnterprise features – Custom SSO only on Enterprise plan
AI agent capabilities – Process data for intelligent automation with customizationMulti-platform deployment – Launch across websites and messaging with single lineAdaptive learning – Chatbot learns over time using conversation analysis24/7 availability – Smart AI support with instant answers
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Custom AI Agents – Autonomous GPT-4/Claude agents for business tasksMulti-Agent Systems – Specialized agents for support, sales, knowledgeMemory & Context – Persistent conversation history across sessionsTool Integration – Webhooks + 5,000 Zapier apps for automationContinuous Learning – Auto re-indexing without manual retraining
Conversational interface – Chat with customers in friendly mannerBusiness knowledge integration – Trained on documents, websites, Google DriveMulti-language support – 80+ languages with automatic detectionLead capture – Integrated forms (name, email, company, role)Human handoff – Triggers on complexity with Zendesk tickets
Three Agent Architectures – Agent (single LLM), Flow-Agent (visual orchestration), MultiAgent (collaborative roles)Multi-Lingual – 90+ languages with 24/7 multilingual supportRAG Grounding – Hybrid search (semantic+keyword) with Jina/BAAI re-ranking for hallucination preventionCitation Support – Source references with configurable relevance score thresholdsHuman Handoff – Intercom, LiveChat, Sobot, Zoho, Webhook triggers with automatic conversation summarization✅ Lead Capture – Salesforce/HubSpot integration claiming 300% lead growth
⚠️ Performance Claims – 95% autonomous resolution, 90% issue reduction (self-reported, no independent validation)
✅ #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 & Flexibility ( Behavior & Knowledge)
Behavior customization – Define name, tone, response preferencesFile support – PDF, DOCX, XLSX, PPTX, TXT, HTML, CSV, XMLWebsite crawling – Train bot by crawling URLs for knowledge baseEasy knowledge updates – Add documents, re-crawl, update without rebuildFlexible deployment – Web widget, dashboard, or API integration
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Live content updates – Add/remove content with automatic re-indexingSystem prompts – Shape agent behavior and voice through instructionsMulti-agent support – Different bots for different teamsSmart defaults – No ML expertise required for custom behavior
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Documentation – Comprehensive at gptbots.ai/docs with endpoint referencesMulti-Language Docs – English, Chinese, Japanese, Spanish, ThaiTesting Resources – Postman Collections (no interactive playground)Active Development – 11+ major releases in 2025Enterprise Support – AI project consulting, implementation services, custom SLAsParent Company Backing – Aurora Mobile Limited (NASDAQ: JG) with RMB 316.17M revenue⚠️ G2 Feedback – Documentation gaps cited by 7 reviewers, limited Spanish support by 6
Comprehensive docs – Tutorials, cookbooks, API referencesEmail + in-app support – Under 24hr response timePremium support – Dedicated account managers for Premium/EnterpriseOpen-source SDK – Python SDK, Postman, GitHub examples5,000+ Zapier apps – CRMs, e-commerce, marketing integrations
Multi- L L M Orchestration N/A
Market-Leading Selection – 30+ models across 7+ providersContext Windows – Up to 1M tokens (GPT-4.1), 400k (GPT-5.1), 200k (Claude 4.5)Reasoning Models – DeepSeek R1 with 87.5% AIME 2025 accuracy✅ Dynamic Switching – Mid-conversation model changes for task-specific optimization
✅ Cost Optimization – Use expensive models for complex tasks, cheap for simple responses
✅ Architectural Advantage – Multi-LLM orchestration unmatched by most competitors
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Deployment Options – AWS cloud-native, Azure cloud-native, complete on-premiseSetup Timeline – Two weeks from initiation to deploymentWhite-Label Control – Independent brand logos, custom domains, dedicated account systemsData Sovereignty – Complete control over data location for regulatory compliance⚠️ Update Cadence – 1-4 updates/year (private) vs monthly (public cloud)
✅ Market Positioning – "Asia's first on-premise AI bot development platform"
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A I S D R & Lead Generation N/A
CRM Integration – Deep Salesforce and HubSpot connectivityLead Growth Claims – Up to 300% lead growth (self-reported)Automated Qualification – AI-driven lead qualification and routingMulti-Channel Capture – Lead generation across 15+ messaging platformsGA4 Analytics – Conversion tracking via Google Analytics 4 callback events
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SOC 2 Type II + GDPR – Regular third-party audits, full EU compliance256-bit AES encryption – Data at rest; SSL/TLS in transitSSO + 2FA + RBAC – Enterprise access controls with role-based permissionsData isolation – Never trains on customer dataDomain allowlisting – Restrict chatbot to approved domains
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Standard: $99/mo – 10 chatbots, 60M words, 5K items/botPremium: $449/mo – 100 chatbots, 300M words, 20K items/botEnterprise: Custom – SSO, dedicated support, custom SLAs7-day free trial – Full Standard access, no chargesFlat-rate pricing – No per-query charges, no hidden costs
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OpenAI – GPT-5.1 (Optimal/Smart), GPT-4 seriesAnthropic – Claude 4.5 Opus/Sonnet (Enterprise)Auto-routing – Intelligent model selection for cost/performanceManaged – No API keys or fine-tuning required
Additional Considerations N/A
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Time-to-value – 2-minute deployment vs weeks with DIYAlways current – Auto-updates to latest GPT modelsProven scale – 6,000+ organizations, millions of queriesMulti-LLM – OpenAI + Claude reduces vendor lock-in
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