StepFun › Step 3.5 Flash 2603 › Pricing
Step 3.5 Flash 2603 pricing
API list price by StepFun · checked Oct 23, 2026
$0.10 / $0.30per 1M tokens in / out
$0.02cache read · −80%
Price sheetper 1M tokens
| Input | $0.10 | list |
| Output | $0.30 | |
| Cache read | $0.02 | −80% vs input |
| Context | 256K | tokens |
Where to buy1 provider · per 1M tokens
| Provider | Input | Output | Context |
|---|---|---|---|
| lab-stepfun | $0.10 | $0.30 | — |
In StepFun's line-upper 1M in / out
| Step 3.5 Flash 2603 | $0.10 / $0.30 | this model |
| Step 3.7 Flash | $0.20 / $1.15 | 2.9× |
| Step 1o Turbo Vision | $0.36 / $1.15 | 3.7× |
| Step 5 Preview | $1 / $2.70 | 9.5× |
Pricing questions
How much does Step 3.5 Flash 2603 cost?›
$0.10 per 1M input tokens and $0.30 per 1M output tokens. Cached input is $0.02.
Is Step 3.5 Flash 2603 free to use?›
There is no free API tier.
How much does prompt caching save?›
Cache reads cost $0.02 per 1M, 80% below the input price.