Agent Breaking Changes_

← Aider

Aider Aider v0.81.0

2025-04-04 · official notes

Summary

• Added support for the openrouter/openrouter/quasar-alpha model.
• Currently free on OpenRouter.
• Quasar scored 55% on the polyglot coding benchmark

Full notes

- 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" />