$87.50per 1M characters
1,059arena Elo
Oct 2025released
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
60Chirp 3: HD1,061.761Octave 21,059.162Sonic 31,057Strong at
Alternatives?
ModelScoreCostPriceWhat changes
CheaperEleven v4 Turbowins 83%-54%$40SBetterSimba 3.2wins 75%-92%$6.58
OpenFish Audio Drama 3 Previewwins 74%-83%$15CheaperEleven v4wins 83%-9%$80
CheaperQwen Audio 3.1 TTS Pluswins 81%-78%$19.31ModelScoreCostPriceWhat changes
Eleven v4 Turbowins 83%-54%$40Eleven v4wins 83%-9%$80Qwen Audio 3.1 TTS Pluswins 81%-78%$19.31CSonic 3.6wins 79%-44%$49IRealtime TTS-2wins 77%-60%$35ModelScoreCostPriceWhat changes
SSimba 3.2wins 75%-92%$6.58SSimba 3.0wins 58%-92%$6.58
Gemini 2.5 Flash Lite TTSwins 54%-90%$9.15MFalcon 2wins 63%-89%$10aAsync Flash v1.5wins 62%-88%$10.10
Benchmarks
in Speech & VoiceAA TTS provider voice1,059.1#61
FAQ
How much does Octave 2 cost?›
$87.50 per 1M characters.
Is Octave 2 free to use?›
There is no free API; it costs $87.50 per 1M characters.
How good is Octave 2, and what is it best at?›
#60 of 96 in Text to speech.
Is Octave 2 better than Chirp 3: HD?›
On AA TTS provider voice, Octave 2 scores 1,059.1 vs 1,061.7 — about the same. It is 192% more expensive.
When was Octave 2 released? Is there a newer version?›
Released 2025-10-01. It is the current version in its line.
Is Octave 2 open source?›
No, Octave 2 is a closed model available through an API. The closest open-weights option here is Fish Audio Drama 3 Preview.
What is Octave 2?›
Octave 2 is a closed speech & voice model from Hume AI, released Oct 2025.
What are the best alternatives to Octave 2?›
Eleven v4 Turbo (cheaper), Simba 3.2 (better), Fish Audio Drama 3 Preview (open weights).