Aider v0.85.5First seen Oct 3, 2026 · Aider-AIModels:Adds GPT-5What the release notes say Enforced diff edit format for GPT-5 models. Added support for the reasoning_effort setting for GPT-5 models. Fixed model detection to correctly apply GPT-5 settings to versioned names (gpt-5 and gpt-5-2025-08-07). Source: raw.githubusercontent.com ↗Source: aider.chat ↗ Olderv0.85.4Newer v0.86.0Every Aider release →