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Model tracker / StepFun

Step 5 Preview

Step 5 Preview is an everyday model from StepFun. It's in preview. At StepFun it costs $1.00 per million input tokens and $2.70 per million output tokens, with a 1M-token context window. 2 providers serve it; the cheapest is Novita AI at $1.00 input and $2.70 output.

Checked · Model card and docs

Made by
StepFun
Status
Preview
Tier
Everyday
Weights
Closed
Context window
1,000,000 tokens
Max output
64,000 tokens
Input
text, image, video
API id
step-5-preview

Step 5 Preview price at 2 providers

US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on. The cheapest blended price is highlighted.

ProviderInputOutputCached inputBlendedBatchChecked
Novita AI · stepfun/step-5-preview$1.00$2.70$0.10$1.43–2026-10-14
StepFun · maker$1.00$2.70$0.10$1.43–2026-10-14

Models like Step 5 Preview

Other everyday models closest in price, at each maker's own price or the cheapest provider.

ModelInputOutputContextWeights
Step 5 Preview$1.00$2.701MClosed
DeepSeek V4 Pro DeepSeek$1.32$3.961MOpen
Muse Spark 1.3 Meta$1.25$4.251MClosed
GLM-5.3 Z.ai$1.40$4.401MOpen
NVIDIA Nemotron 3 Ultra NVIDIA$0.50$2.20256KOpen
Mistral Large 3 Mistral AI$0.50$1.50256KOpen

Compare them all in the model tracker →

Step 5 Preview on dbggr

Step 5 Preview FAQ

How much does Step 5 Preview cost?

Step 5 Preview costs $1.00 per million input tokens and $2.70 per million output tokens at StepFun, and $0.10 per million cached input tokens. Prices are list prices in US dollars, last checked 14 October 2026.

What is Step 5 Preview's context window?

Step 5 Preview takes up to 1,000,000 tokens in one request and writes up to 64,000 tokens in one response.

Is Step 5 Preview open weight?

No. Step 5 Preview is only available through its providers' APIs; StepFun doesn't publish the weights.

Where can I use Step 5 Preview?

Step 5 Preview is available from Novita AI and StepFun. At StepFun, call it as step-5-preview.

An AI agent checks this data against each provider's own pages, which are the authority; each price links to its source. Prices change and we can get things wrong. Dbggr isn't affiliated with any provider. The data is also available as JSON, and this page as markdown.