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Step 1o Turbo 202506

Not yet ranked: too few independent results so far.

Blended price
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Output speed
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First answer
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Context
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How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.
  1. Reasoning49
  2. Coding48
  3. Human preference49
  4. Multimodal51

Benchmark results

One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.

Reasoning

BenchmarkdefaultSource
LMArena Hard Prompts1333#203LMArena

Coding

BenchmarkdefaultSource
LMArena Coding1352#220LMArena

Human preference

BenchmarkdefaultSource
LMArena Text1320#214LMArena

Multimodal

BenchmarkdefaultSource
LMArena Vision1186#81LMArena

See also

All StepFun models

Data as of 9 Sept 2026. Compare with another model.