Step 3.7 Flash
stepfun/step-3.7-flashNewer StepFun flash model for faster agents, coding, and multimodal prompts
Source-linkedOpen weightsReleased 2026-05-29
Context window256K
Maximum output256K
Provider offers11
Knowledge cutoff2026-03-01
CapabilitiesWhat this model supports
- Creator
- StepFun
- Family
- Not documented
- Modalities
- Image, Text, Video
- License
- Not documented
- Release date
- 2026-05-29
- Model ID
stepfun/step-3.7-flash
Providers offering Step 3.7 Flash| Provider | Provider model ID | Context | Input / 1M | Output / 1M | Cached / 1M | Features | All pricing |
|---|
UnoRouter | step-3.7-flash:free | 256K | $0 | $0 | — | R T · | View{
"input": 0,
"output": 0
} |
StepFun Step Plan (China) | step-3.7-flash | 256K | — | — | — | R T · | View{} |
StepFun Step Plan (Global) | step-3.7-flash | 256K | — | — | — | R T · | View{} |
Nvidia | stepfun-ai/step-3.7-flash | 256K | $0 | $0 | — | R T · | View{
"input": 0,
"output": 0
} |
StepFun (China) | step-3.7-flash | 256K | $0.185 | $1.11 | $0.037 | R T · | View{
"cache_read": 0.037,
"input": 0.185,
"output": 1.11
} |
StepFun (Global) | step-3.7-flash | 256K | $0.185 | $1.11 | $0.037 | R T · | View{
"cache_read": 0.037,
"input": 0.185,
"output": 1.11
} |
ZenMux | stepfun/step-3.7-flash | 256K | $0.2 | $1.15 | — | R T · | View{
"input": 0.2,
"output": 1.15
} |
Vercel AI Gateway | stepfun/step-3.7-flash | 256K | $0.2 | $1.15 | $0.04 | R T · | View{
"cache_read": 0.04,
"input": 0.2,
"output": 1.15
} |
EmpirioLabs AI | step-3-7-flash | 256K | $0.2 | $1.15 | $0.04 | R T S | View{
"cache_read": 0.04,
"input": 0.2,
"output": 1.15
} |
OpenRouter | stepfun/step-3.7-flash | 256K | $0.2 | $1.15 | $0.04 | R T S | View{
"cache_read": 0.04,
"input": 0.2,
"output": 1.15
} |
Hugging Face | stepfun-ai/Step-3.7-Flash | 262.144K | $0.2 | $1.15 | — | R T · | View{
"input": 0.2,
"output": 1.15
} |
EvidencePublished benchmark results
Anthropic: Claude Opus 4.8
47.2
Anthropic: Claude Opus 4.8
74.3
Anthropic: Claude Opus 4.7
73.6
Anthropic: Claude Opus 4.6
1349.0
Anthropic: Claude Opus 4.7
1324.0
Gemini 3.1 Pro Preview
1313.0
Anthropic: Claude Opus 4.8
1308.0
Anthropic: Claude Opus 4.6
1303.0
Anthropic: Claude Opus 4.6
1336.0
Anthropic: Claude Opus 4.7
1330.0
Anthropic: Claude Opus 4.6
1322.0
Anthropic: Claude Opus 4.7
1322.0
Anthropic: Claude Sonnet 4.6
1316.0
Anthropic: Claude Opus 4.6
1339.0
Anthropic: Claude Opus 4.7
1336.0
Gemini 3.1 Pro Preview
1340.0
Anthropic: Claude Opus 4.6
1278.0
Anthropic: Claude Opus 4.7
1274.0
Anthropic: Claude Opus 4.7
1359.0
Anthropic: Claude Opus 4.6
1343.0
Anthropic: Claude Sonnet 4.6
1320.0
Anthropic: Claude Opus 4.6
1331.0
Anthropic: Claude Opus 4.7
1329.0
Anthropic: Claude Sonnet 4.6
1320.0
Nemotron 3 Ultra 550B A55B
46.7
Anthropic: Claude Opus 4.8
55.7
Anthropic: Claude Opus 4.7
53.5