The Model Index
Up to four models

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Side by side on the same independent tests, with price and context. The link in your address bar shares this exact comparison.

Claude Sonnet 5.5MiMo-V2.6-Pro
Next to Claude Sonnet 5.5
Presets
Claude Sonnet 5.5
193182–205
WeightsClosed
ReleasedSep 2026
Price in / out$2.0 / $10
Context1M
Core tests taken3 of 8
MiMo-V2.6-Pro
~178estimated
WeightsOpen
ReleasedSep 2026
Price in / out$0.43 / $0.87
Context1.05M
Core tests taken–

Claude Sonnet 5.5 leads MiMo-V2.6-Pro by 15 points, at 7.4× the price (one score is an estimate).

Test by testindependent results · Epoch AI

Claude Sonnet 5.5MiMo-V2.6-Pro

These models share no independent tests yet.

Only tests that at least two of these models have taken. Bold rows are the core tests shown on every profile; all of these results inform the index score. Task length (METR) is listed below the chart because it is a duration, not a percentage.