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...
Tested on 3 benchmarks. Top scores: Artificial Analysis — Coding Index (37.3%), Artificial Analysis — Quality Index (29.7%), Artificial Analysis — Agentic Index (21.5%).
Artificial Analysis Coding Index. Composite coding quality score from multiple code benchmarks.
Artificial Analysis Quality Index. Composite quality score combining multiple benchmark results into a single metric.
Artificial Analysis Agentic Index. Composite score measuring agent capability across tool use and planning tasks.
- Typemultimodal
- Context256K tokens (~128 books)
- ReleasedMay 2026
- LicenseOpen Source
- StatusActive
- Cost / Message~$0.002
Frequently Asked Questions
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- Step 3.7 Flash by stepfun. Not enough public benchmark scores to rank yet.
- List price $0.20 input · $1.15 output per 1M tokens (as of 2026-06-22).
How to cite · data as of 2026-06-22
Step 3.7 Flash · benchmarks, pricing and providers. BenchGecko, data as of 2026-06-22. https://benchgecko.ai/model/step-3-7-flash
Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP