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ChatKit
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ChatKit Verified Tool

ChatKit is a browser chat interface supporting OpenAI, Gemini, Azure and custom endpoints, prompt templates, bookmarks, voice features, web access and locally stored API keys. Users should secure keys, review endpoint privacy, verify answers and monitor separate provider consumption.

Last Update: August 20, 2026

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Starting price Free + one-time payment + API costs

Tool Information

ChatKit is a browser chat interface supporting OpenAI, Gemini, Azure and custom endpoints, prompt templates, bookmarks, voice features, web access and locally stored API keys. Users should secure keys, review endpoint privacy, verify answers and monitor separate provider consumption.

Use authorized inputs and least-privilege integrations. Configure privacy, retention, sharing, accessibility, disclosure, export, moderation and spending controls. Test representative cases, verify facts, calculations, citations, messages and media, preserve originals and retain accountable human approval before publication, outreach, deployment or operational action.

The basic interface can be used with a personal API key. Premium is sold as a one-time license, while optional ChatKit credits or separate model-provider API charges apply; the public page does not expose a stable license amount.

AI output can be inaccurate, biased, derivative, insecure, incomplete or misleading. Review consent, copyright, training and retention terms, renewals, refunds, platform rules and applicable law. Education, health, finance, legal, marketing and customer-facing workflows require qualified human review.

F.A.Q (3)

ChatKit is a browser chat interface supporting OpenAI, Gemini, Azure and custom endpoints, prompt templates, bookmarks, voice features, web access and locally stored API keys. Users should secure keys, review endpoint privacy, verify answers and monitor separate provider consumption.

Use authorized inputs and least-privilege integrations. Configure privacy, retention, sharing, accessibility, disclosure, export, moderation and spending controls. Test representative cases, verify facts, calculations, citations, messages and media, preserve originals and retain accountable human approval before publication, outreach, deployment or operational action.

Verified pricing: Free + one-time payment + API costs. The basic interface can be used with a personal API key. Premium is sold as a one-time license, while optional ChatKit credits or separate model-provider API charges apply; the public page does not expose a stable license amount.

Pros and Cons

Pros

  • Provides a developer-friendly browser AI chat interface
  • Supports OpenAI
  • Supports Google Gemini
  • Supports Azure OpenAI
  • Supports OpenRouter and Perplexity models
  • Supports Ollama and custom models
  • Lets users supply an API key and custom endpoint
  • Stores the API key locally according to the interface
  • Requires no login for basic BYOK use
  • Provides reusable prompt templates
  • Supports chat bookmarks
  • Provides full-text history search on Premium
  • Supports text-to-speech
  • Supports voice input
  • Can search the web and fetch URLs
  • Uses URLs; articles; YouTube videos; and PDFs as chat context
  • Stores chat data locally in the browser by default
  • Provides export and backup controls
  • Offers cloud synchronization for Premium
  • Charges a one-time fee for Premium rather than a recurring app subscription
  • Lets Premium users buy optional credits
  • Prices credits at the underlying OpenAI token cost according to the FAQ
  • Provides personal and team license device allowances
  • Has public documentation; FAQ; changelog; and Discord community
  • Supports multiple model vendors in one workspace

Cons

  • The main page prominently promotes the newer ChatWise desktop app
  • ChatKit's latest visible changelog entry is February 2025
  • Some FAQ text is outdated and refers to GPT-4 as not publicly available
  • The documented model list includes retired model versions
  • Users must pay provider API charges when using their own key
  • Premium does not include AI credits
  • Credits must be purchased separately
  • A one-time Premium license does not guarantee indefinite hosted-service availability
  • Personal licenses are limited to five activations and team licenses to fifty
  • Resetting or managing devices adds license administration
  • Local-browser storage can be erased with browser data
  • Local storage is not automatically encrypted
  • Cloud sync moves chat history from the local-only model to hosted infrastructure
  • API keys in browser storage can be exposed by compromised devices or extensions
  • Server-proxied requests send prompts through ChatKit infrastructure
  • Custom endpoints send requests directly from the browser and must handle CORS and security
  • Using the US server to bypass regional blocks may conflict with provider terms or local rules
  • URL fetching can ingest prompt injection; copyrighted material; or private content
  • AI answers; code; and summaries can hallucinate
  • Text-to-speech and voice input create microphone and audio privacy considerations
  • Web search needs source validation
  • Ollama support still requires adequate local hardware and model setup
  • The product has no prominent enterprise SLA or compliance package
  • Model availability can change faster than documentation
  • Users should verify current maintenance; pricing; privacy; and deletion before purchasing Premium
  • The name can be confused with OpenAI's unrelated ChatKit products

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