StepFun › Step 3.5 Flash › Pricing

Step 3.5 Flash pricing

API list price by StepFun · checked Oct 23, 2026
Benchmarks and alternatives →
$0.10 / $0.30per 1M tokens in / out

Price sheetper 1M tokens

Input$0.10list
Output$0.30
Context256Ktokens
Saved AA secondary quote for this exact release; not a refreshed first-party tariff.

In StepFun's line-upper 1M in / out

Step 3.5 Flash 2603$0.10 / $0.300%
Step 3.7 Flash$0.20 / $1.152.9×
Step 1o Turbo Vision$0.36 / $1.153.7×
Step 5 Preview$1 / $2.709.5×
<
All StepFun API prices →

Pricing questions

How much does Step 3.5 Flash cost?›

$0.10 per 1M input tokens and $0.30 per 1M output tokens.

Is Step 3.5 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.