StepFun: Step 3.7 Flash
Analysis Summary
StepFun: Step 3.7 Flash sits in the Emerging tier on our leaderboard, ranked #392 of 565 published models on overall intelligence. At $0.200 input and $1.15 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, and vision.
Editorial notes
StepFun Step 3.7 Flash has no benchmark data, limiting confidence in its capability claims despite tool use, vision, and video modality support at competitive pricing.
Assessed May 31, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How StepFun: Step 3.7 Flash compares
Its 256K-token context window is larger than 71% of the models we list. At $0.20 per million input tokens it is cheaper than 53% of comparable models.
About StepFun: Step 3.7 Flash
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..
Capabilities
How does StepFun: Step 3.7 Flash stack up?
Compare side-by-side with other emerging models.
Model Information
| OpenRouter ID |
stepfun/step-3.7-flash
|
| Provider | stepfun |
| Release Date | May 28, 2026 |
| Context Length | 256,000 tokens |
| Max Completion | 256,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.20 | $0.000200 |
| Output | $1.15 | $0.001150 |
Live Performance
Live endpoint metrics, refreshed every 30 minutes.
Leaderboard Categories
External Resources
Frequently asked questions about StepFun: Step 3.7 Flash
How much does StepFun: Step 3.7 Flash cost?
StepFun: Step 3.7 Flash costs $0.20 per million input tokens and $1.15 per million output tokens.
What is the context window of StepFun: Step 3.7 Flash?
StepFun: Step 3.7 Flash has a context window of 256,000 tokens (256K).
What can StepFun: Step 3.7 Flash do?
StepFun: Step 3.7 Flash supports image/vision input, tool use, and function calling.
Who created StepFun: Step 3.7 Flash?
StepFun: Step 3.7 Flash is developed by StepFun and was released on May 28, 2026.
