StepAudio 2.5 TTS (Aug 2026)
Aug 2026
StepAudio 2.5 TTS (Aug 2026)Compare inonAA TTS provider voice
native billing onlyprice
1,214arena Elo
Aug 2026released
YesVoice cloning
speech synthesis only; creating a voice asset is billed separatelyPrice covers
Ranking?
Full ranking →···
14v3 Conversational1,216.215StepAudio 2.5 TTS (Aug 2026)1,213.916Gemini 3.1 Flash TTS1,213Strong at
Alternatives?
ModelScoreCostPriceWhat changes
SBetterSimba 3.2wins 55%—$6.58
OpenFish Audio Drama 3 Previewwins 54%—$15
BetterQwen Audio 3.1 TTS Pluswins 63%—$19.31BetterQwen Audio 3.0 TTS Pluswins 58%—$19.31IBetterRealtime TTS-2wins 58%—$35ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
SSimba 3.2wins 55%—$6.58Fish Audio Drama 3 PreviewOpenwins 54%—$15Qwen Audio 3.1 TTS Pluswins 63%—$19.31Qwen Audio 3.0 TTS Pluswins 58%—$19.31IRealtime TTS-2wins 58%—$35ModelScoreCostPriceWhat changes
Fish Audio Drama 3 PreviewOpenwins 54%—$15BBreeze TTS 2Opensame—$34AMing 3.0 TTSOpenwins 47%——Fish Audio S2 ProOpenwins 36%—$15Voice cloning: not verifiedStep Audio EditX (Mar 2026)Openwins 34%——Voice cloning: not verifiedModelScoreCostPriceWhat changes
Step TTS 2 (Mar 2026)wins 39%—$40Voice cloning: not verifiedStep Audio EditX (Mar 2026)Openwins 34%——Voice cloning: not verifiedStepAudio 2.5 TTSn/a——Step 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 provider voice1,213.9#15
FAQ
How much does StepAudio 2.5 TTS (Aug 2026) cost?›
There is no per-unit API price: native billing only.
Is StepAudio 2.5 TTS (Aug 2026) free to use?›
There is no free API.
How good is StepAudio 2.5 TTS (Aug 2026), and what is it best at?›
#15 of 96 in Text to speech. Strongest at: Speech & Voice.
Is StepAudio 2.5 TTS (Aug 2026) better than v3 Conversational?›
On AA TTS provider voice, StepAudio 2.5 TTS (Aug 2026) scores 1,213.9 vs 1,216.2 — about the same.
When was StepAudio 2.5 TTS (Aug 2026) released? Is there a newer version?›
Released 2026-08-26. It is the current version in its line.
Is StepAudio 2.5 TTS (Aug 2026) open source?›
No, StepAudio 2.5 TTS (Aug 2026) is a closed model available through an API. The closest open-weights option here is Fish Audio Drama 3 Preview.
What is StepAudio 2.5 TTS (Aug 2026)?›
StepAudio 2.5 TTS (Aug 2026) is a closed speech & voice model from StepFun, released Aug 2026.
What are the best alternatives to StepAudio 2.5 TTS (Aug 2026)?›
Simba 3.2 (better), Fish Audio Drama 3 Preview (open weights).