One key. Every model.
338 models from 52 labs behind one OpenAI-compatible endpoint, each at its provider price plus a flat 3% — the math printed next to every price.
The API is rolling out in waves — one email, no forms, replies within a day. Theplayground works today with any OpenAI-compatible key.
The deal
Provider price + 3%. Claude Sonnet 4.5: $3.00 becomes $3.09 per 1M input tokens. No credit fees, no minimums. The full math.
Drop-in
OpenAI-compatible: change the base URL and the key, keep your code, SDKs, and tools.Three lines to a first token.
Free to start
25 models are free right now, with a dated availability log. See the free collection.