Agent Breaking Changes_

← Aider

Aider Aider v0.73.0

model

2025-01-31 · official notes

Summary

Full notes

- Full support for o3-mini: `aider --model o3-mini`
- New `--reasoning-effort` argument: low, medium, high.
- Improved handling of context window size limits, with better messaging and Ollama-specific guidance.
- Added support for removing model-specific reasoning tags from responses with `remove_reasoning: tagname` model setting.
- Auto-create parent directories when creating new files, by xqyz.
- Support for R1 free on OpenRouter: `--model openrouter/deepseek/deepseek-r1:free`
- Enforce user/assistant turn order to avoid R1 errors, by miradnanali.
- Case-insensitive model name matching while preserving original case.
- Harden against user/assistant turn order problems which cause R1 errors.
- Fix model metadata for `openrouter/deepseek/deepseek-r1`
- Aider wrote 69% of the code in this release.

https://aider.chat/HISTORY.html

<img width="984" alt="2025-01-31_13-35-29" src="https://github.com/user-attachments/assets/94b0824b-c222-4b1e-98ec-df5947b07f5b" />
Weekly digest: every breaking change, retirement and price change across 20+ coding agents, one email.

Form not loading? Subscribe here.