v0.81.0

• Added support for the openrouter/openrouter/quasar-alpha model.

• Currently free on OpenRouter.

• Quasar scored 55% on the polyglot coding benchmark

• Run with aider --model quasar

• Offer OpenRouter OAuth authentication if an OpenRouter model is specified but the API key is missing.

• Prevent retrying API calls when the provider reports insufficient credits.

• Improve URL detection to exclude trailing double quotes.

• Bumped deps to pickup litellm change to properly display the root cause of OpenRouter "choices" errors.

• Improve error message for OpenRouter API connection issues to mention potential rate limiting or upstream provider issues.

• Configure weak models (gemini/gemini-2.0-flash and openrouter/google/gemini-2.0-flash-exp:free) for Gemini 2.5 Pro models.

• Add model metadata for openrouter/google/gemini-2.0-flash-exp:free.

• Updated deps for yanked fsspec and aiohttp packages #3699

• Removed redundant dependency check during OpenRouter OAuth flow, by Claudia Pellegrino.

• Aider wrote 86% of the code in this release.

https://aider.chat/HISTORY.html <img width="826" alt="2025-04-04_16-17-33" src="https://github.com/user-attachments/assets/4b6c4c8f-6110-4c6c-8f27-03592e36c1d2" />