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Labs/StepFun

StepFun

2 families · 21 providers · 9 models

Models
9
Families
2
Providers
21
01Families

Model families

Each family is a lineage; the latest release sets the pace.

other
6 models
Latest: Step 3.7 Flash
step
3 models
Latest: StepAudio 2.5 ASR
02Timeline

Release timeline

03All models

9 models

ModelFamilyReleasedInputOutputContext
Step 3.7 Flash—2026-05-29$0.18 / $1.11262K
StepAudio 2.5 ASRstep2026-04-24Not listed / Not listed—
StepAudio 2.5 TTSstep2026-04-16Not listed / Not listed—
Step 3.5 Flash 2603—2026-04-02$0.10 / $0.30262K
Step TTS 2step2026-03-01Not listed / Not listed—
Step 3.5 Flash—2026-01-29$0.09 / $0.30262K
Step-3—2025-07-31$0.21 / $0.5766K
Step 1 (32K)—2025-01-01$2.05 / $9.5933K
Step 2 (16K)—2025-01-01$5.21 / $16.4416K
as of 2026-09-16
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