StepFun
StepFun: Step 3.7 Flash
stepfun/step-3.7-flash-20260528Hugging 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...
StepFun: Step 3.7 Flash usage over time
OpenRouter share of tokens, by day.
StepFun: Step 3.7 Flash holds 0.52% today, up from 0.48% at the start of the visible window.
Rank history
Adoption curve vs the pantheon
StepFun: 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 2026-09-01, StepFun: Step 3.7 Flash holds 0.5% of OpenRouter token share, down 1.90pp over 30 days. Source: Tidelines (OpenRouter).
Cost per session
Median dollars spent on one StepFun: Step 3.7 Flash session, by coding agent and session length.
Token rate sets the price; session length and reasoning set the bill.
| Agent | 1 turn | 2–9 turns | 10–49 turns |
|---|---|---|---|
| Hermes Agent | $0.0041 | $0.012 | $0.071 |
Where to run it
StepFun: Step 3.7 Flash pricing by provider
Per-provider pricing, context, and uptime via OpenRouter. Sorted by output price.
StepFun: Step 3.7 Flash is served by 3 tracked endpoints on OpenRouter. The cheapest output price is $0.92 per million tokens from DeepInfra, and the most expensive is $1.15 from StepFun. The largest context window offered is 262k tokens. Prices are list rates and refresh daily.
| Provider | Input $/M | Output $/M | Context | Uptime |
|---|---|---|---|---|
| DeepInfra | $0.16 | $0.92 | 262k | 100.00% |
| Novita | $0.20 | $1.15 | 262k | 88.81% |
| StepFun | $0.20 | $1.15 | 256k | 95.13% |