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Perplexity ChatGPT Plus Poe Claude

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Self-Hosted Open Source Productivity AI LLM Chat Search

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Last Updated: 07-13-2026 09:21 PM (UTC)

ChatChat

One clean interface in front of Anthropic, OpenAI, Google Gemini, Cohere, and more: Chat Chat is a Next.js front door to the major AI providers, ending the juggling of separate subscriptions, tabs, and UIs per model. Bring your own API keys, pick a provider and model per conversation, and switch between them as the task demands: Claude for long-form reasoning, GPT for code, Gemini for multimodal work - the interface stays identical. Beyond configured presets, custom providers plug in with their own API endpoints and keys, which covers OpenAI-compatible gateways and local inference servers. The design splits into two dedicated modes: a chat interface for conversational work with customizable system prompts, and a search interface that pairs AI processing with query handling for research-style questions. The stack is modern and hackable - Next.js 14, Tailwind CSS, shadcn/ui on Radix primitives, Jotai for state - with full internationalization including English, Chinese, and Japanese. Self-hosting means your conversation history and API keys live on your instance rather than a third-party wrapper service, and pay-per-token API pricing typically beats stacking multiple monthly chat subscriptions. AGPL-licensed and deliberately simple to deploy: one container, environment variables for keys, done.

ChatChat

Benefits

  • One UI, Every Provider
  • Stop juggling separate chat apps - switch between Claude, GPT, Gemini, and Cohere in one interface.
  • Pay Per Token, Not Per Seat
  • Your own API keys replace stacked monthly subscriptions across multiple AI services.
  • Keys and History Stay Home
  • API credentials and conversations live on your instance, not a third-party wrapper.
  • Not Locked to Presets
  • Custom provider support covers OpenAI-compatible gateways and local inference endpoints.

Features

  • Multi-Provider Integration
  • Anthropic, OpenAI, Google Gemini, Cohere, and more with per-conversation model choice.
  • Chat and Search Modes
  • Dedicated interfaces for conversational AI and AI-assisted search queries.
  • Custom System Prompts
  • Shape model behavior per conversation with configurable instructions.
  • Custom Endpoints
  • Point any provider slot at your own API base URL and key.
  • Internationalization
  • Full localization including English, Chinese, and Japanese interfaces.
  • Modern, Hackable Stack
  • Next.js 14, Tailwind CSS, shadcn/ui, and Jotai - easy to extend and restyle.