StepFun (China)
API access provider offering 7 AI models.
Models
7
Avg Input Price
$0.3643
Avg Output Price
$1.2068
Open Weight
4
Available Models (7)
| # | Model | Context Length | Input Price | Output Price | Latest Release |
|---|---|---|---|---|---|
| 1 | Step 5 PreviewOW | 1.0M | $1.04613 | $2.98895 | 2026-09-16 |
| 2 | Step 3.7 FlashOW | 256K | $0.20175 | $1.21052 | 2026-05-29 |
| 3 | StepAudio 2.5 ASRstep | 0K | - | - | 2026-04-24 |
| 4 | StepAudio 2.5 TTSstep | 0K | - | - | 2026-04-16 |
| 5 | Step 3.5 Flash 2603stepOW | 256K | $0.10461 | $0.31384 | 2026-04-02 |
| 6 | Step TTS 2step | 0K | - | - | 2026-03-01 |
| 7 | Step 3.5 FlashstepOW | 256K | $0.10461 | $0.31384 | 2026-01-29 |