StepFun API pricing: all models and providers

Every StepFun model on sale with its lowest price among all providers (24 in all). Prices per 1M tokens unless a cell names another unit; open a model for every offer.

Model	Type	Input from	Output from	Context	Providers
Step 3.7 Flash	Text models	$0.20	$1.15	262K	19
Step 5 Preview	Text models	$1.00	$2.70	1M	18
Step 3.5 Flash	Text models	$0.09	$0.30	262K	13
Step 3.5 Flash 2603	Text models	$0.10	$0.30	262K	4
Step 2 (16K)	Text models	$2.00	$2.00	16K	3
StepAudio 2.5 Chat	Audio	$1.50	$3.50	262K	3
StepAudio 2.5 Realtime	Speech to speech	$1.50	$10.00	262K	3
Step 1 (32K)	Text models	—	—	33K	2
step-1o-audio	Audio	$3.57	$8.57	—	2
step-1o-turbo-vision	Text models	$0.36	$1.15	—	2
step-asr	Speech to text	$0.002167 / minute	—	—	2
step-asr-1.1	Speech to text	$0.005167 / minute	—	—	2
step-asr-1.1-stream	Speech to text	$0.0135 / minute	—	—	2
step-audio-2	Audio	$1.43	$10.00	—	2
step-audio-r1.5	Audio	$1.43	$15.00	—	2
Step TTS 2	Text to speech	$40.00 / 1M chars	—	—	2
step-tts-mini	Text to speech	$13.00 / 1M chars	—	—	2
StepAudio 2.5 ASR Stream	Speech to text	$0.006667 / minute	—	—	2
stepaudio-2-asr-pro	Speech to text	$0.004833 / minute	—	—	2
StepAudio 2.5 ASR	Speech to text	$0.0008333 / minute	—	—	2
StepAudio 2.5 TTS	Text to speech	$85.00 / 1M chars	—	—	2
StepAudio 3 ASR Max	Speech to text	—	—	—	2
StepAudio 3 TTS	Text to speech	$14.00 / 1M chars	—	—	2
Step-3	Text models	—	—	66K	1
step-3.7-flash-el	Text models	$0.20	$1.16	262K	1
step-5-preview-el	Text models	$1.01	$2.73	1M	1
step3	Text models	$1.10	$2.75	—	1
StepAudio 3 Chat	Text models	$1.50	$3.50	262K	1
StepAudio 3 Music	Speech to speech	$0.0018 / second	—	—	1
StepAudio 3 Realtime	Speech to speech	$1.50	$10.00	262K	1

Prices in USD per 1M tokens. * price not verified.