StepFun
Step 3.7 Flash
stepfun/step-3.7-flashHugging Face ↗
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...
Only tracked on Vercel AI Gateway.
Step 3.7 Flash usage over time
Vercel AI Gateway share of tokens, by day.
Step 3.7 Flash holds 9.36% today, up from 0.03% at the start of the visible window.
Rank history
Adoption curve vs the pantheon
Step 3.7 Flash's share plotted against days since first tracked, overlaid on other current leaders on the same axis. The question every new-model page asks: is this one going to make it?
Citable stat
As of 2026-07-17, Step 3.7 Flash holds 9.4% of Vercel AI Gateway token share, up 9.04pp over 30 days. Source: Tidelines (Vercel AI Gateway).
Where to run it
Providers & pricing
Per-provider pricing, context, and uptime via OpenRouter. Sorted by output price.
| Provider | Input $/M | Output $/M | Context | Uptime |
|---|---|---|---|---|
| Ambient | $0.19 | $1.14 | 262k | 99.65% |
| StepFun | $0.20 | $1.15 | 256k | — |
| DeepInfra | $0.20 | $1.15 | 262k | — |
| Novita | $0.20 | $1.15 | 262k | — |