Build with Better AI

OpenAI-Compatible API

Better AI exposes a fully OpenAI-compatible API at /v1/chat/completions. Use any OpenAI SDK or library — just change the base URL and API key. Access Grok, Claude, Kimi, GPT, and more through the same interface.

Supported Endpoints

• POST /v1/chat/completions — Chat completions with any of 151 models
• GET /v1/models — List all available models
• POST /v1/embeddings — Text embeddings
• POST /v1/images/generations — Image generation
• POST /v1/completions — Text completions

API Features

• Smart Model Routing: Specify model: "auto" to let Better AI pick the optimal model
• Streaming: Full SSE streaming support for real-time responses
• Multi-model: Compare responses from multiple models in a single request
• Cost Control: Set per-request budget limits and model tier preferences
• Persistent Memory: API calls build context that persists across sessions

Get Your API Key

Sign up for any plan to get an API key. Usage is metered and billed at the same rates as the chat interface. See pricing.