The smartest StepFun model is Step 3.7 Flash, scoring 42.6 on the Artificial Analysis Intelligence Index. Step 3.5 Flash (37.8) is next.
The most capable AI models ranked by the Artificial Analysis Intelligence Index — a composite of reasoning, knowledge, math and science benchmarks. These are the highest-scoring large language models available today.
The smartest StepFun model is Step 3.7 Flash, scoring 42.6 on the Artificial Analysis Intelligence Index. Step 3.5 Flash (37.8) is next.
Step 3.5 Flash (37.8) is the closest alternative on this metric. See the full ranking above for the tradeoffs.
modelgrep tracks 2 StepFun models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by Step 3.7 Flash. 2 of them qualify for this ranking.