Context
256K tokens (~128 books)
Input $/1M
$0.20
Output $/1M
$1.15
Type
multimodal
License
Open Source
Benchmarks
3 tested
Data updated today
About
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 with 0.0% average. Top scores: Artificial Analysis — Coding Index (37.3%), Artificial Analysis — Quality Index (29.7%), Artificial Analysis — Agentic Index (21.5%).
Capabilities
speed
49.2
#55 globally
Benchmark Scores
Compare AllTested on 3 benchmarks · Ranked across 1 categories
Score Distribution (all 274 models)
0255075100
speedCompare speed →
Artificial Analysis — Coding Index
37.3—Artificial Analysis Coding Index. Composite coding quality score from multiple code benchmarks.
Artificial Analysis — Quality Index
29.7—Artificial Analysis Quality Index. Composite quality score combining multiple benchmark results into a single metric.
Artificial Analysis — Agentic Index
21.5—Artificial Analysis Agentic Index. Composite score measuring agent capability across tool use and planning tasks.
Excellent (85+) Good (70-85) Average (50-70) Below (<50)
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Source Code
BenchGecko API
step-3-7-flash
Specifications
- Typemultimodal
- Context256K tokens (~128 books)
- ReleasedMay 2026
- LicenseOpen Source
- StatusActive
- Cost / Message~$0.002
Available On
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Frequently Asked Questions
Step 3.7 Flash is an open-source multimodal AI model by stepfun, released in May 2026. Context window: 256K tokens.