Context Window
256,000
Input tokens
Full-context input ≈ $0.05
Model Cost Profile
Developer: stepfun· Tokenizer: Other · Quantization: fp8
Canonical ID: stepfun/step-3.7-flash-20260528
Pricing updated May 30, 2026
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...
Context Window
256,000
Input tokens
Full-context input ≈ $0.05
Max Output
256,000
Completion tokens
Input Price / 1M
$0.2000
Prompt tokens
Output Price / 1M
$1.15
Completion tokens
Top Benchmark
Pending
No benchmark data yet
Price History
Not enough data yet. Price tracking started recently — check back in a few days.
Performance History
Not enough data yet. Performance tracking started recently — check back in a few days.
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $0.2000 |
| Output (Completion) | $1.15 |
| Cache Read | $0.0400 |
Estimate monthly spend for StepFun: Step 3.7 Flash based on your workload.
Estimated Monthly Cost
$19
25M input + 12M output tokens
Quick links for cost-down decisions before production rollout.