Overview
A high-efficiency vision-language Flash model for real-world agents, with about 198B total parameters, about 11B active, 256K context, image understanding, and tool orchestration.
Step 3.7 Flash
A high-efficiency vision-language Flash model for real-world agents, with about 198B total parameters, about 11B active, 256K context, image understanding, and tool orchestration.
MODEL NUMBER340
- First public date
- 2026-05-29
- Organization
- StepFun
- Family
- Step
01
Specifications
Only published specifications are shown.
02
Overview
Why it mattered
Step 3.7 Flash extends Step 3.5 Flash’s high-throughput agent path to native vision, search, and longer-horizon tool execution.
PreviousStep 3.5 Flash196B · 256K ctx
CurrentStep 3.7 Flash198B · 256K ctx
04
Architecture & capabilities
Model capabilities
ReasoningCodingTool useVisionLong context
Connected tools
Web search
Unclassified tags
Fast action
05
Release history
Step 3.7 Flash launched with open weights and deployment materials.
View source06
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07
Sources
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