StepAudio 2.5 TTS
Apr 2026
StepAudio 2.5 TTSCompare inonAA TTS controlled voice
native billing onlyprice
1,077arena Elo
Apr 2026released
YesVoice cloning
speech synthesis only; creating a voice asset is billed separatelyPrice covers
Alternatives?
ModelScoreCostPriceWhat changes
BetterQwen Audio 3.1 TTS Pluswins 65%—$19.30AOpenMing 3.0 TTSsame——BetterQwen Audio 3.0 TTS Pluswins 57%—$19.30HBetterHeyGen Voicewins 67%—$30Voice cloning: not verifiedIBetterRealtime TTS-2wins 60%—$35ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
Qwen Audio 3.1 TTS Pluswins 65%—$19.30Qwen Audio 3.0 TTS Pluswins 57%—$19.30HHeyGen Voicewins 67%—$30Voice cloning: not verifiedIRealtime TTS-2wins 60%—$35
Eleven v4 Turbowins 61%—$40ModelScoreCostPriceWhat changes
AMing 3.0 TTSOpensame——
Fish Audio Drama 3 PreviewOpenwins 47%—$15BBreeze TTS 2Openwins 42%—$34Voice cloning: not verifiedOpenAudio S1 MiniOpenwins 40%—$15Voice cloning: not verified
Voxtral TTSOpenwins 40%—$16Voice cloning: not verifiedModelScoreCostPriceWhat changes
StepAudio 2.5 TTS (Aug 2026)n/a——Step Audio EditX (Mar 2026)Openn/a——Voice cloning: not verifiedStep TTS 2 (Mar 2026)n/a—$40Voice cloning: not verifiedStep TTS 2n/a——Voice cloning: not verifiedStep TTS Minin/a——Voice cloning: not verifiedStepAudio 3 Gen Previewn/a——Voice cloning: not verifiedStepAudio 3 TTSn/a——Voice cloning: not verifiedAll StepFun models →Benchmarks
in Speech & VoiceAA TTS controlled voice1,077#10
FAQ
How much does StepAudio 2.5 TTS cost?›
There is no per-unit API price: native billing only.
Is StepAudio 2.5 TTS free to use?›
There is no free API.
How good is StepAudio 2.5 TTS, and what is it best at?›
#10 of 44 in Text to speech.
Is StepAudio 2.5 TTS better than Simba 3.2?›
On AA TTS controlled voice, StepAudio 2.5 TTS scores 1,077 vs 1,087 — about the same.
When was StepAudio 2.5 TTS released? Is there a newer version?›
Released 2026-04-30. It is the current version in its line.
Is StepAudio 2.5 TTS open source?›
No, StepAudio 2.5 TTS is a closed model available through an API. The closest open-weights option here is Ming 3.0 TTS.
What is StepAudio 2.5 TTS?›
StepAudio 2.5 TTS is a closed speech & voice model from StepFun, released Apr 2026.
What are the best alternatives to StepAudio 2.5 TTS?›
Qwen Audio 3.1 TTS Plus (better), Ming 3.0 TTS (open weights).