StepFunStepFun Step series
Step 5 Preview
StepFun · StepFun Step series. Released Sep 18, 2026.
Step 5 Preview is a model from StepFun in the StepFun Step series family, released Sep 18, 2026. evals.report tracks 1 reported Step 5 Preview benchmark score across AA-Omniscience: Knowledge and Hallucination Benchmark — each shown with its benchmark, metric, source status, and date, and never combined into a single ranking.
1 results
Benchmark results 1
Compare this model| Benchmark | Category | Score | Metric | Status | Date | |
|---|---|---|---|---|---|---|
| AA-Omniscience: Knowledge and Hallucination Benchmark | Reasoning | 16 | AA-Omniscience Index | Official | Sep 18, 2026 | Details |