Agent Arena update: we’ve evolved the Bash Recovery signal, with Bash Reliability. Here’s how it impacts the leaderboard.

At the top for Agent Arena:
- #1 Claude Opus 5.5 (Max), @AnthropicAI holds the top
- #2 GPT-6.1 Sol (Max) by @OpenAI
- #3 Claude Fable 5.1 (Max) by @AnthropicAI
- #4 GPT-6 Astra (Max) by @OpenAI
- #5 Gemini 4 Argon (High) by @GoogleDeepMind

The first 14 spots are all proprietary models with the best open weights models being GLM 5.2 at #15, followed by MiMo V2.6 Pro at #18.

Read more about Bash Reliability and check out the Agent Arena leaderboard in thread.