Stepfun LLM pricing
Stepfun has 2 models with live API pricing on this site. Cheapest paid option: Step 3.5 Flash at $0.15/1M blended. Highest Artificial Analysis Intelligence Index: Step 3.7 Flash (30.3).
Prices updated Jul 22, 2026, 1:31 AM UTC · refreshed hourly
| Model | Input $/1M | Output $/1M | Blended $/1M | Context | Intelligence |
|---|---|---|---|---|---|
| Step 3.5 Flash | $0.10 | $0.30 | $0.15 | 262K | 26 |
| Step 3.7 Flash | $0.20 | $1.15 | $0.438 | 262K | 30.3 |