Provider

StepFun (Global)

8 live listings@ai-sdk/openai-compatibleauth: STEPFUN_API_KEYdocs ↗


Step 1 (32K)step-1-32k	$2.05	$9.59	$0.41	—	33K	stable	Feb 13, 2026
Step 2 (16K)step-2-16k	$5.21	$16.44	$1.04	—	16K	stable	Feb 13, 2026
Step 3.5 Flashstep-3.5-flash	$0.1	$0.3	$0.02	—	256K	stable	Jun 15, 2026
Step 3.5 Flash 2603step-3.5-flash-2603	$0.1	$0.3	$0.02	—	256K	stable	Apr 2, 2026
Step 3.7 Flashstep-3.7-flash	$0.185	$1.11	$0.037	—	256K	stable	Jun 29, 2026
Step TTS 2step-tts-2	—	—	—	—	0	stable	Jul 2, 2026
StepAudio 2.5 ASRstepaudio-2.5-asr	—	—	—	—	0	stable	Jul 2, 2026
StepAudio 2.5 TTSstepaudio-2.5-tts	—	—	—	—	0	stable	Jul 2, 2026