AI Rate Card

step-audio-2 vs StepAudio 2.5 Chat: API price and specs

step-audio-2 is 5% cheaper than StepAudio 2.5 Chat on input price.

StepAudio 2.5 Chat is 65% cheaper than step-audio-2 on output price.

StepAudio 2.5 Chat is 36% cheaper than step-audio-2 on a 1M-in / 200k-out workload.

Fieldstep-audio-2StepAudio 2.5 Chat
Lowest input, per 1M$1.43$1.50 +4.9%
Median input, per 1M$1.46$1.50 +2.4%
Lowest output, per 1M$10.00 +185.7%$3.50
Median output, per 1M$10.25 +192.7%$3.50
Lowest unit price——
Cost of 1M in + 200k out$3.43 +55.9%$2.20
Context—262K
Max output—131K
Providers2 +33.3%3
Regions——
Accepts—audio, text
Returns—text
TypeAudioAudio
Free optionnono
Cheapest providerstepfun-aiempiriolabs

Your own workload: how many tokens the model gets (input) and gives back (output) - for example, in a month. The "Cost" row of the table above is recalculated for these numbers, for each model.

Computed from current offers each time the page opens; the best value of a row is bold, the percent is how far behind the best.

Providers selling both

stepfun, stepfun-ai

Frequently asked questions

Which is cheaper, step-audio-2 or StepAudio 2.5 Chat?

step-audio-2 is 5% cheaper than StepAudio 2.5 Chat on input price. StepAudio 2.5 Chat is 65% cheaper than step-audio-2 on output price. StepAudio 2.5 Chat is 36% cheaper than step-audio-2 on a 1M-in / 200k-out workload.

Where can I use both step-audio-2 and StepAudio 2.5 Chat?

stepfun, stepfun-ai