Every AI model you use, in one place
Connect your own API key for each provider and chat with GPT, Claude, Gemini and more from a single interface — paying each provider directly with no markup.
Major providers, native support
OpenAI (GPT), Anthropic (Claude) and Google (Gemini) are supported out of the box. Add your key and start chatting in seconds.
And any OpenAI-compatible endpoint
Beyond the majors, OneChater works with Groq, Amazon Bedrock, Azure OpenAI, Replicate and any OpenAI-compatible endpoint — so you're never locked to one vendor.
Compare and fuse
Run the same prompt across models side by side, then merge the best parts into one answer with Fusion.
Frequently asked questions
Which models does OneChater support?
GPT (OpenAI), Claude (Anthropic) and Gemini (Google) natively, plus Groq, Amazon Bedrock, Azure OpenAI, Replicate and any OpenAI-compatible endpoint.
Do I pay OneChater for model usage?
No. You bring your own API keys and pay each provider directly with no markup from OneChater.
Can I use more than one model at once?
Yes — send one prompt and get answers from multiple models side by side, then optionally merge them with Fusion.
All your models, one place
Bring your keys and chat with every major model without switching tabs.
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