StepFun › Step 5 Preview › Pricing
Step 5 Preview pricing
API list price by StepFun · same on DeepInfra, Featherless, InferenceNet · checked Oct 26, 2026
$1 / $2.70per 1M tokens in / out
$0.10cache read · −90%
$1.03per task at thinking?
#12on OpenRouter by tokens · 3.6T / week
Price sheetper 1M tokens
| Input | $1 | list |
| Output | $2.70 | |
| Cache read | $0.10 | −90% vs input |
| Context · max output | 1M · 64K | tokens |
Where to buy6 providers · per 1M tokens
| Provider | Input | Output | Context |
|---|---|---|---|
| DeepInfra | $1 | $2.70 | — |
| Featherless | $1 | $2.70 | — |
| InferenceNet | $1 | $2.70 | 1M |
| lab-stepfun | $1 | $2.70 | — |
| Novita | $1 | $2.70 | — |
| StepFunlab | $1 | $2.70 | 1M |
In StepFun's line-upper 1M in / out
| Step 3.5 Flash 2603 | $0.10 / $0.30 | −89% |
| Step 3.7 Flash | $0.20 / $1.15 | −69% |
| Step 1o Turbo Vision | $0.36 / $1.15 | −61% |
| Step 5 Preview | $1 / $2.70 | this model |
Cheaper for the same workvs Step 5 Preview
| GPT-6.1 Sol max | -29% | score +19% | $0.72 |
| GPT-6.1 Terra max | -61% | score +10% | $0.40 |
| Claude Sonnet 5.5 high | -14% | score +7% | $0.88 |
| MiMo v2.6 Pro thinkingOpen | -87% | score +6% | $0.13 |
| GPT-6 Astra low | -20% | score +5% | $0.82 |
Pricing questions
How much does Step 5 Preview cost?›
$1 per 1M input tokens and $2.70 per 1M output tokens on StepFun's API and DeepInfra, Featherless, InferenceNet. Cached input is $0.10. One Intelligence Index task costs about $1.03 at the default effort.
Is Step 5 Preview 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 $0.10 per 1M, 90% below the input price.
What is a cheaper alternative to Step 5 Preview?›
GPT-6.1 Sol at max effort costs -29% per task with a score +19% on Humanity's Last Exam.