Home / StepFun / Step 3.5 Flash
Step 3.5 Flash API price
stepfun/step-3.5-flash
The cheapest Step 3.5 Flash API is $0.10/M input at OpenRouter (aggregator) - all 2 providers compared below, per 1M tokens.
SmallStepFun262K context2 sellers
Input
$0.10
per 1M tokens · OpenRouter (aggregator)
Output
$0.30
per 1M tokens · OpenRouter (aggregator)
Where to buy it
Cheapest Step 3.5 Flash API providers compared - 2 sellers, from $0.10/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Your cost |
|---|---|---|---|---|
| OpenRouter (aggregator) | 0.100cheapest | 0.300 | - | |
| TokenRouter (aggregator) | 0.100 | 0.300 | 0.020 |
Against its tier
- This model$0.40
- Cheapest · Nemotron 3.5 Lightning$0.145
- Tier median · Qwen 3.8 Omni Flash$0.62
- Dearest · GPT 5.4 Mini (03-17 snapshot)$5.25
#5 of 20 small · cheaper than 79%
Details
- Context window
- 262K262,144 tokens
- Developer
- StepFun
- Intelligence
- 16.6 est.
- Sellers
- 2
- Cheapest at
- OpenRouter (aggregator)
- Combined
- $0.40in + out per 1M
- Last checked
- 2026-10-12