StepFun › Step 3.7 Flash › Pricing
$0.20 / $1.15per 1M tokens in / out
$0.04cache read · −80%
#181on OpenRouter by tokens · 13.1B / week
Price sheetper 1M tokens
| Input | $0.20 | list |
| Output | $1.15 | |
| Cache read | $0.04 | −80% vs input |
| Context · max output | 256K · 230K | tokens |
Where to buy5 providers · per 1M tokens
| Provider | Input | Output | Context |
|---|---|---|---|
| DeepInfra | $0.20 | $1.15 | — |
| Featherless | $0.20 | $1.15 | — |
| lab-stepfun | $0.20 | $1.15 | — |
| Novita | $0.20 | $1.15 | — |
| StepFunlab | $0.20 | $1.15 | 256K |
In StepFun's line-upper 1M in / out
| Step 3.5 Flash 2603 | $0.10 / $0.30 | −66% |
| Step 3.7 Flash | $0.20 / $1.15 | this model |
| Step 1o Turbo Vision | $0.36 / $1.15 | +27% |
| Step 5 Preview | $1 / $2.70 | 3.3× |
Cheaper for the same workvs Step 3.7 Flash at high
| Claude Haiku 5.5 max | -54% | score ×2.2 | $0.21 |
| MiniMax M3.1 Flash thinking | -40% | score ×2.2 | $0.22 |
| GLM 5.3 Flash maxOpen | -46% | score ×2.1 | $0.28 |
| Qwen3.8 Flash thinkingOpen | -47% | score ×2 | $0.37 |
| GPT-6 Luna max | -54% | score +96% | $0.068 |
Pricing questions
How much does Step 3.7 Flash cost?›
$0.20 per 1M input tokens and $1.15 per 1M output tokens. Cached input is $0.04.
Is Step 3.7 Flash free to use?›
There is no free API tier, but the weights are open: you can run it on your own hardware for the cost of compute.
How much does prompt caching save?›
Cache reads cost $0.04 per 1M, 80% below the input price.
Is Step 3.7 Flash cheaper than Step 3.5 Flash?›
No: $0.20 / $1.15 against $0.10 / $0.30, 192% more per token.
What is a cheaper alternative to Step 3.7 Flash?›
Claude Haiku 5.5 at max effort costs -54% per task with a score ×2.2 on Humanity's Last Exam.