Step 3.7 Flash
StepFun’s flagship multimodal reasoning model.
text + image → text · made by StepFun
Sold by 13 ways
| Seller | Lane | Rate |
|---|---|---|
| StepFun api | standard | $0.2per Mtok in$1.2per Mtok out$0.04per Mtok cachedplatform.stepfun.com · read 2026-08-25 |
| OpenRouter aggregatornot on the seller's list today | deepinfra | $0.16per Mtok in$0.92per Mtok out$0.032per Mtok cachedopenrouter.ai · read 2026-09-03 |
| OpenRouter aggregatornot on the seller's list today | deepinfra/us | $0.16per Mtok in$0.92per Mtok out$0.032per Mtok cachedopenrouter.ai · read 2026-09-24 |
| OpenRouter aggregator | standard | $0.2per Mtok in$1.15per Mtok out$0.04per Mtok cachedopenrouter.ai · read 2026-08-24 |
| DeepInfra aggregator | standard | $0.2per Mtok in$1.15per Mtok outapi.deepinfra.com · read 2026-08-25 |
| ElectronHub aggregator | standard | $0.2per Mtok in$1.15per Mtok outapi.electronhub.ai · read 2026-10-31 |
| Featherless AI aggregator | standard | $0.2per Mtok in$1.15per Mtok outapi.featherless.ai · read 2026-09-20 |
| Hugging Face Inference Providers 2 ways | $0.2per Mtok in$1.15per Mtok out | |
| Hugging Face Inference Providers aggregator | standard | $0.2per Mtok in$1.15per Mtok outmodels.dev · read 2026-10-31 |
| Hugging Face Inference Providers aggregator | deepinfra | $0.2per Mtok in$1.15per Mtok outrouter.huggingface.co · read 2026-08-25 |
| Nous Research aggregator | standard | $0.2per Mtok in$1.15per Mtok out$0.04per Mtok cachedinference-api.nousresearch.com · read 2026-10-02 |
| Novita AI aggregator | standard | $0.2per Mtok in$1.15per Mtok out$0.04per Mtok cachedapi.novita.ai · read 2026-08-25 |
| Requesty aggregator | novita | $0.2per Mtok in$1.15per Mtok out$0.04per Mtok cachedrouter.requesty.ai · read 2026-08-28 |
| Vercel AI Gateway aggregator | standard | $0.2per Mtok in$1.15per Mtok out$0.04per Mtok cachedai-gateway.vercel.sh · read 2026-08-25 |
Measured 12 standings
| Place | Board | Metric | Score |
|---|---|---|---|
| 59thof 93 | Design Arena · asciiart (models) | Elo | 1150 |
| 86thof 169 | Design Arena · website (models) | Elo | 1195 |
| 91stof 132 | Ale bench — Epoch AI | Performance | 694.12 |
| 91stof 157 | Design Arena · uicomponent (models) | Elo | 1175 |
| 93rdof 163 | Design Arena · codecategories (models) | Elo | 1180 |
| 94thof 114 | Design Arena · svg (models) | Elo | 1080 |
| 96thof 150 | Design Arena · 3d (models) | Elo | 1126 |
| 96thof 154 | Design Arena · dataviz (models) | Elo | 1174 |
| 101stof 162 | Design Arena · gamedev (models) | Elo | 1156 |
| 108thof 163 | Artificial Analysis · Coding Index | Index | 39.6 |
| 161stof 260 | Critpt — Epoch AI | Accuracy | 2.286 |
| 182ndof 235 | Scicode — Epoch AI | Score | 40.046 |
About
Step 3.7 Flash — a text model from StepFun, sold by 10 companies from $0.2 in and $1.15 out per million tokens, placed 86th of 169 on Design Arena · website (models).
It takes text and images and returns text, with a context window of 32,768 tokens. It was published in May 2026, trained on material up to March 2026. Its sellers say it can reason step by step and call a tool. The catalogue files it under extract. Ten companies sell it. The cheapest is $0.2 in and $1.15 out per million tokens at DeepInfra. Beside the standard rate there is a separately routed lane. It has been measured on 12 boards, and stands best at 86th of 169 on Design Arena · website (models).
Every current figure
- Maker
- StepFun
- Register
- model
- Takes
- text + image
- Returns
- text
- Context
- 32,768 tokens
- Published
- May 2026
- Knowledge to
- March 2026
- Parameters
- 201 billion
- Licence
- not read
- Sellers
- 10
- Price
- $0.2 in and $1.15 out per million tokens — DeepInfra
- Boards
- 12
- Best place
- 86th of 169 — Design Arena · website (models)
Known as 4 names
stepfun-ai/Step-3.7-Flashstepfun/step-3.7-flashnovita/stepfun/step-3.7-flashstep-3.7-flash