For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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DocsAPI ReferenceClient SDKsAgent SDKCookbookChangelog
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ModelsChatRankingsDocs

Changelog

A daily log of product changes, improvements, and new model releases on OpenRouter
May 15, 2026
May 15, 2026

Product changes

  • Cursor integration guide — Added a guide for configuring Cursor to route through OpenRouter via the Override OpenAI Base URL feature.
  • Fixed: /api/v1/models under-reporting context_length — Models whose cheapest endpoint has a lower context window than the model itself (e.g. moonshotai/kimi-k2.6 showing 32K instead of 256K) now correctly report the full model context length in the models API.
  • Fixed: web search unbounded context growth — The web search server tool now defaults max_total_results to 50 when not specified, preventing runaway token accumulation in agentic loops. Docs
  • Fixed: Mistral speech-to-text billing unit — Corrected the billing unit for Mistral speech-to-text models from per-second to per-minute to match the provider’s actual pricing. Docs

New models

  • Mistral: Voxtral Mini Transcribe
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