Benchmark Almanac

StepFun

7 models 5 model cards read stepfun.com

What benchmarks does StepFun mention most?

Here are the 12 benchmarks StepFun mentions most in its launch posts.

Source: Labs’ launch posts, read by Benchmark Almanac

Model cards

DateModelDocumentBenchmarks
Sep 20, 2026 Step 5 Preview Step 5 Preview: Advancing the Pareto Frontier (model page) 33
May 29, 2026 Step 3.7 Flash Step 3.7 Flash: The new frontier is agent efficiency (blog) 20
Feb 2, 2026 Step 3.5 Flash Step 3.5 Flash model card (Hugging Face) 14
Jan 13, 2026 STEP3-VL-10B STEP3-VL-10B model card (Hugging Face) 18
Jul 31, 2025 Step 3 Step3 model card (Hugging Face) 11

Every StepFun model