StepFun
Step 3.7 Flash
Newer StepFun flash model for faster agents, coding, and multimodal prompts
stepfun/step-3.7-flash
Context
256K
Output
256K
Released
2026-05-29
Knowledge cutoff
2026-03-01
Types
InputTextImageVideo
OutputText
Reasoning
Supported
Tool use
Supported
Structured output
—
Attachments
Supported
Open weights
Supported
Provider pricing
Ambient
InTextImageVideo
OutText
- Price
- $0.19 / $1.14
- Context
- 262.1K
- Status
- Stable
Kilo Gateway
InTextImageVideo
OutText
- Price
- $0.20 / $1.15
- Context
- 256K
- Status
- Stable
Novita AI
InTextImageVideo
OutText
- Price
- $0.20 / $1.15
- Context
- 262.1K
- Status
- Stable
OpenRouter
InTextImageVideo
OutText
- Price
- $0.20 / $1.15
- Context
- 262.1K
- Status
- Stable
Vercel AI Gateway
InTextImage
OutText
- Price
- $0.20 / $1.15
- Context
- 256K
- Status
- Stable
ZenMux
InTextImageVideo
OutText
- Price
- $0.20 / $1.15
- Context
- 256K
- Status
- Stable
Benchmarks
SWE-Bench Pro
56.3 · resolve rate
SWE-Bench Verified
76.5 · resolved
Terminal-Bench
59.6 · success rate
Humanity's Last Exam
47.2 · accuracy
BrowseComp
75.8 · accuracy
Toolathlon
49.5 · success rate
GDPval
45.8 · wins or ties
ClawEval
67.1 · pass^3
Artificial Analysis Coding Index
37.1 · index
SciCode
40 · percent correct
Terminal-Bench Hard
35.6 · success rate