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 (19.5).
Prices updated Sep 19, 2026, 6:21 PM UTC · refreshed hourly
| Model | Input $/1M | Output $/1M | Blended $/1M | Context | Intelligence |
|---|---|---|---|---|---|
| Step 3.5 Flash | $0.10 | $0.30 | $0.15 | 262K | 17 |
| Step 3.7 Flash | $0.20 | $1.15 | $0.438 | 262K | 19.5 |