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Step 3.7 Flash (Free)
stepfun·stepfun/step-3.7-flash-free·GA·Open weights·NEW
Newer StepFun flash model for faster agents, coding, and multimodal prompts
At a glance
Reference price$0 / $0 per 1M
Cache read — · ZenMux
Lowest paidNo paid channels
1 more $0 channels
Context256,000
Output limit256,000
Capabilities
✓ Reasoning✓ Tool use? Structured output✓ Temperature✓ Attachments
Modalities
TextImageVideo
Knowledge cutoff2026-03-01
Released / updated2026-05-29 / 2026-05-29
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers0 with public prices · 1 free
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| ZenMux | Gateway | Free | — | — | 256,000 | 256,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
This model is $0 across all listed channels (ZenMux).
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = loweffort = mediumeffort = high
Price historyone sample accumulated per data sync
Input listOutput listMin blended