Realtime TTS-2 measured on 2 of 3 Text to speech benchmarks2
BenchmarkByScoreRank
No benchmark matches
Ranking?
Full ranking →Strong at
Alternatives?
ModelScoreCostPriceWhat changes
HCheaperHeyGen Voicewins 57%-14%$30Languages: not verified+1
BetterQwen Audio 3.1 TTS Pluswins 55%-45%$19.30Languages: loses es, kok, ru +81AOpenMing 3.0 TTSwins 39%——Languages: loses pt, it, kok +84CheaperQwen Audio 3.0 TTS Pluswins 47%-45%$19.30Languages: loses es, fr, de +89SCheaperSimba 3.2wins 42%-81%$6.60Languages: loses es, fr, de +90ModelScoreCostPriceWhat changes
HHeyGen Voicewins 57%-14%$30Languages: not verified+1Qwen Audio 3.1 TTS Pluswins 55%-45%$19.30Languages: loses es, kok, ru +81Qwen Audio 3.0 TTS Pluswins 47%-45%$19.30Languages: loses es, fr, de +89SSimba 3.2wins 42%-81%$6.60Languages: loses es, fr, de +90ModelScoreCostPriceWhat changes
Qwen Audio 3.1 TTS Pluswins 55%-45%$19.30Languages: loses es, kok, ru +81HHeyGen Voicewins 57%-14%$30Languages: not verified+1ModelScoreCostPriceWhat changes
AMing 3.0 TTSOpenwins 39%——Languages: loses pt, it, kok +84
Fish Audio Drama 3 PreviewOpenwins 38%-57%$15Languages: loses kok, arz, ars +25BBreeze TTS 2Openwins 32%same$34Languages: loses es, fr, de +89+1OpenAudio S1 MiniOpenwins 31%-57%$15Languages: loses kok, arz, ars +78+1
Voxtral TTSOpenwins 31%-54%$16Languages: loses zh, ja, ko +82+1ModelScoreCostPriceWhat changes
IRealtime TTS-2 Flashwins 39%-70%$10.40IInworld TTS 1.5 Maxn/a——Languages: not verified+1All Inworld models →FAQ
How much does Realtime TTS-2 cost?›
$35 per 1M characters.
Is Realtime TTS-2 free to use?›
There is no free API; it costs $35 per 1M characters.
How good is Realtime TTS-2, and what is it best at?›
#7 of 96 in Text to speech. Strongest at: Speech & Voice.
Is Realtime TTS-2 better than Sonic 3.6?›
On AA TTS controlled voice, Realtime TTS-2 scores 1,146 vs 1,151 — about the same. It is 29% cheaper.
When was Realtime TTS-2 released? Is there a newer version?›
Released 2026-08-31. It is the current version in its line.
Is Realtime TTS-2 open source?›
No, Realtime TTS-2 is a closed model available through an API. The closest open-weights option here is Ming 3.0 TTS.
What is Realtime TTS-2?›
Realtime TTS-2 is a closed speech & voice model from Inworld, released Aug 2026.
What are the best alternatives to Realtime TTS-2?›
HeyGen Voice (cheaper), Qwen Audio 3.1 TTS Plus (better), Ming 3.0 TTS (open weights).