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StepFun: Step 3.7 Flash API Pricing
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...
How much does StepFun: Step 3.7 Flash cost for a real workload?
At 10M input + 2M output tokens per month, StepFun: Step 3.7 Flash costs about $4.3 ($2 input + $2.3 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to StepFun: Step 3.7 Flash?
- DeepSeek: DeepSeek V4 Pro 0423 — $0.4461 in / $0.8923 out per 1M
- Qwen: Qwen3.6 Flash — $0.1875 in / $1.125 out per 1M
- Xiaomi: MiMo-V2.6-Pro — $0.435 in / $0.87 out per 1M
- Reflection: Beam 1.0 501B A23B — $0.3 in / $1 out per 1M
- Qwen: Qwen3 Coder 480B A35B — $0.3 in / $1 out per 1M
- MiniMax: MiniMax-01 — $0.2 in / $1.1 out per 1M
Compare StepFun: Step 3.7 Flash with other models
StepFun: Step 3.7 Flash vs StepFun: Step 3.5 FlashStepFun: Step 3.7 Flash vs StepFun: Step 5 Preview
Frequently asked questions
How much does StepFun: Step 3.7 Flash cost?
StepFun: Step 3.7 Flash costs $0.2 per 1M input tokens and $1.15 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $4.3.
What is the context window of StepFun: Step 3.7 Flash?
StepFun: Step 3.7 Flash has a context window of 262,144 tokens and can return up to 230,400 output tokens per response.
What are cheaper alternatives to StepFun: Step 3.7 Flash?
Cheaper models include DeepSeek: DeepSeek V4 Pro 0423 ($0.4461 in / $0.8923 out), Qwen: Qwen3.6 Flash ($0.1875 in / $1.125 out), Xiaomi: MiMo-V2.6-Pro ($0.435 in / $0.87 out). See the full list on this page.
Is StepFun: Step 3.7 Flash free to use?
No. StepFun: Step 3.7 Flash is a paid model at $0.2 input / $1.15 output per 1M tokens. 20 free models are listed on the free models page.
Provider: stepfun · Model ID: stepfun/step-3.7-flash · Modality: text+image+video->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices