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Agents & tools

What is the best AI model for agents?

Claude Opus 5.5 (Max) by Anthropic is the best agents & tools pick right now, and MiMo-V2.6-Pro is the best open option.

Winner
Claude Opus 5.5Max
Agents score: 100 · $8 blended per 1M tokens
Best open
MiMo-V2.6-ProOPEN
Agents score: 66 · $0.54 blended per 1M tokens
Best under $1
MiMo-V2.6-ProOPEN
Agents score: 66 · $0.54 blended per 1M tokens

Top 10 for agents & tools

Agents score, 0 to 100 (percentile).

1Claude Opus 5.5Max1002Gemini 4 CarbonHigh983Claude Sonnet 5.5Max964GPT-6 AstraMax955Claude Fable 5.1Max936GPT-6.1 SolMax917Gemini 4 ArgonHigh898GPT-6.1 TerraMax889Muse Wonder FullMax8610Claude Fable 5High84

Based on Arena Agent Arena: real multi-step agent sessions, scored from user signals. Bars start at 50. 57 models have data for this task.

Other tasks

Coding Writing Math Images & vision Open models Cheap & good Fast replies