Model
Step 3.7 Flash
Newer StepFun flash model for faster agents, coding, and multimodal prompts
6 providersreleased knowledge cutoff 2026-03-01open weights
$0.185
best input /M · StepFun (China)
$1.11
best output /M
256K
context window
256K
max output
Compare providers (sorted by listed input price)
| Provider | Input /M | Output /M | Cache read /M | Cache write /M | Context | Capabilities | Status | Updated |
|---|---|---|---|---|---|---|---|---|
| StepFun (China) step-3.7-flash | $0.185 | $1.11 | $0.037 | — | 256K | reasoningtoolsno structuredvision | Jun 29, 2026 | |
| Ambient stepfun/step-3.7-flash | $0.19 | $1.14 | $0.03 | $0 | 262K | reasoningtoolsstructuredvision | May 29, 2026 | |
| OpenRouter stepfun/step-3.7-flash | $0.2 | $1.15 | $0.04 | — | 262K | reasoningtoolsstructuredvision | May 29, 2026 | |
| ZenMux stepfun/step-3.7-flash | $0.2 | $1.15 | — | — | 256K | reasoningtoolsno structuredvision | May 29, 2026 | |
| Vercel AI Gateway stepfun/step-3.7-flash | $0.2 | $1.15 | $0.04 | — | 256K | reasoningtoolsno structuredvision | May 29, 2026 | |
| Kilo Gateway stepfun/step-3.7-flash | $0.2 | $1.15 | $0.04 | — | 256K | reasoningtoolsstructuredvision | May 29, 2026 |
Price badge
https://models.sutraworks.ai/badge/stepfun/step-3.7-flash.svgLive SVG, regenerated on every hourly sync — paste it into a README to always show the current cheapest listed price. Updates when prices change; no build step needed on your side.
Benchmarks
- SWE-Bench Pro ↗(resolve rate)report ↗56.3
- SWE-Bench Verified ↗(resolved)report ↗76.5
- Terminal-Bench ↗(success rate)report ↗59.6
- Humanity's Last Exam ↗(accuracy)report ↗47.2
- BrowseComp ↗(accuracy)report ↗75.8
- Toolathlon(success rate)report ↗49.5
- GDPval(wins or ties)report ↗45.8
- ClawEval(pass^3)report ↗67.1
- Artificial Analysis Coding Index ↗(index)report ↗37.1
- SciCode(percent correct)report ↗40
- Terminal-Bench Hard ↗(success rate)report ↗35.6
Weights
Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.