Step 3.7 Flash specs, prices, where it runs and its benchmark standing

Name: Step 3.7 Flash
Author: StepFun

open weights · top 10 on 0 of 0 · released May 29, 2026

Provider: StepFun
Release date: May 29, 2026; Boards
Parameters: 201B total; Hugging Face
Modalities: Text, Image, Video to Text; OpenRouter
License: Apache 2.0; Hugging Face
Context window: 262K tokens; OpenRouter
Hosting: OpenRouter · self-host: weights on Hugging Face
Hardware: Estimate: about 403 GB of weights as published (BF16), about 201 GB at 8-bit, about 101 GB at 4-bit, plus memory for the context; Hugging Face config
Weights: Open weights
Benchmarks: 0 boards captured

No board matches.

Versions and release history

2 versions in this line since Jan 29, 2026, from Pricing, OpenRouter and the boards.

Version	Released	Source
Step 3.7 Flashthis model	May 29, 20265 months ago	Boards
Step 3.5 Flash	Jan 29, 20269 months ago	OpenRouter

Category ranks, more models and catalog changes