OpenRouter
By OpenRouter
Unified OpenAI-compatible API and chat UI that routes requests across 400+ models from 70+ providers with one bill.
Best for
- multi-provider access
- avoiding lock-in
- model comparison
- unified billing
- Jun 20, 2026Added — one OpenAI-compatible API and chat UI routing across 400+ models from 70+ providers.
Other LLMs & chat AI
Claude
A general-purpose chat assistant known for nuanced reasoning, careful writing, and very long context handling.
ChatGPT
The most widely-used AI chat assistant with image, voice, and a broad ecosystem of plugins and custom GPTs.
Gemini
Google's multimodal assistant with native integration into Gmail, Docs, Sheets, and the rest of Workspace.
Perplexity
A search-grounded answer engine that cites sources for every claim, useful when you need verifiable information.
Le Chat
European chat assistant from Mistral with strong multilingual support and a focus on data sovereignty.
Grok
xAI's assistant with real-time access to X (Twitter) data, useful for tracking live discourse.
DeepSeek
Chinese open-weight model with strong reasoning and coding capabilities at very low cost.
Pi
Conversational AI tuned for warmth and reflection rather than raw output — designed to help you think through decisions, journal, or just talk something out.