StepFunStepFun Step series
Step 3.7 Flash
StepFun · StepFun Step series. Released May 29, 2026.
Step 3.7 Flash is a model from StepFun in the StepFun Step series family, released May 29, 2026. evals.report tracks 5 reported Step 3.7 Flash benchmark scores across SWE-bench Verified, SWE-bench Pro, Terminal-Bench 2.1, Artificial Analysis Intelligence Index, GDPval — each shown with its benchmark, metric, source status, and date, and never combined into a single ranking.
Open5 results
Benchmark results 5
Compare this model| Benchmark | Category | Score | Metric | Status | Date | |
|---|---|---|---|---|---|---|
| SWE-bench Verified | Coding | 76.5% | % resolved | Verified | May 29, 2026 | Details |
| SWE-bench Pro | Coding | 56.3% | % resolved | Verified | May 29, 2026 | Details |
| Terminal-Bench 2.1 | Agents | 59.6% | task success | Verified | May 29, 2026 | Details |
| Artificial Analysis Intelligence Index | Reasoning | 42.6 | Index | Unverified | May 29, 2026 | Details |
| GDPval | Agents | 1298 | Elo | Official | May 29, 2026 | Details |