
ai/gateway
One API for every frontier and open-weight model
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About ai/gateway
You can access OpenAI-compatible endpoints for every frontier and open-weight model through a single schema. This gateway provides access to over 1000 models across 85+ labs, covering text, image, video, voice, audio, and embeddings. You can simplify your infrastructure by using one API to reach the entire landscape of AI models.
What makes it different from a simple proxy:
Drop-in OpenAI SDK — change base_url, keep everything else. Works from Python, Node, Go, Rust, anywhere the OpenAI SDK exists.
Aggregator-only primitives — sub-accounts for end customers, per-feature cost attribution via x-aig-tag, replay any past request on a different model, eval-driven routing aliases that auto-bind to your winning model.
Agent-first DX — point Claude Code or Cursor at /llms.txt and it autoconfigures a full multi-modal pipeline on the first try.
Models live today (1000+ total): Claude Opus 4.7, GPT-5.5, Gemini 3.1 Pro, Kimi K2.6, Seedance 2, Happy Horse, FLUX 2 Klein, Imagen 4, Nano-Banana, Veo 3.1, Seedream 5, Whisper, Nova-3, Aura 2, ElevenLabs, Inworld, BGE, and more.
Try it: https://aigateway.sh
✦ Good to know
- Drop-in replacement for OpenAI SDK—change one base_url to access 1200+ models unchanged.
- Auto Router selects the cheapest model meeting your quality threshold on every request.
- Semantic caching discounts cached requests 50% off list price with near-zero latency.
- 99.99% uptime with 47ms p50 overhead and OpenAI-compatible endpoints across all modalities.
- Sub-account keys allow scoped access per end user with individual spend caps and rate limits.
Taken from the product's own website and re-checked automatically.
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