Chatterbox measured on 3 of 3 Text to speech benchmarks3
BenchmarkByScoreRank
Multimodal1
Other2
No benchmark matches
$25per 1M characters
1,024arena Elo
May 2025released
en, es, fr +19Languages
YesVoice cloning
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
39Magpie TTS Zeroshot93940Chatterbox93141Raon SpeechLM928Strong at
Alternatives?
ModelScoreCostPriceWhat changes
CheaperQwen Audio 3.1 TTS Pluswins 81%-23%$19.30Languages: loses es, ru, ar +11SBetterSimba 3.2wins 71%-74%$6.60Languages: loses es, fr, de +18AOpenMing 3.0 TTSwins 69%——Languages: loses pt, it, ru +12CheaperQwen Audio 3.0 TTS Pluswins 75%-23%$19.30Languages: loses es, fr, de +17
CheaperVoxtral 3 TTSwins 69%-48%$13ModelScoreCostPriceWhat changes
Qwen Audio 3.1 TTS Pluswins 81%-23%$19.30Languages: loses es, ru, ar +11Qwen Audio 3.0 TTS Pluswins 75%-23%$19.30Languages: loses es, fr, de +17SSimba 3.2wins 71%-74%$6.60Languages: loses es, fr, de +18Voxtral 3 TTSwins 69%-48%$13IRealtime TTS-2 Flashwins 69%-58%$10.40ModelScoreCostPriceWhat changes
SSimba 3.2wins 71%-74%$6.60Languages: loses es, fr, de +18SSimba 3.0wins 65%-74%$6.60Languages: not verified+1IRealtime TTS-2 Flashwins 69%-58%$10.40Voxtral 3 TTSwins 69%-48%$13
Fish Audio Drama 3 PreviewOpenwins 68%-40%$15ModelScoreCostPriceWhat changes
AMing 3.0 TTSOpenwins 69%——Languages: loses pt, it, ru +12Fish Audio Drama 3 PreviewOpenwins 68%-40%$15BBreeze TTS 2Openwins 62%+36%$34Languages: loses es, fr, de +17+1OpenAudio S1 MiniOpenwins 60%-40%$15Languages: loses hi, da, fi +6+1Voxtral TTSOpenwins 60%-36%$16Languages: loses zh, ja, ko +10+1ModelScoreCostPriceWhat changes
RChatterbox HDn/a—$40Languages: not verified+1All Resemble AI models →Run it yourself
Fits onhardware needs not verified yet
LicenceMITfree for commercial use
Benchmarks
in Speech & VoiceAA TTS controlled voice931#40
AA TTS provider voice1,024#78
TTS Arena (v2)1,476#11
FAQ
How much does Chatterbox cost?›
$25 per 1M characters.
Is Chatterbox free to use?›
There is no free API; it costs $25 per 1M characters. The weights are open, so you can run it yourself.
How good is Chatterbox, and what is it best at?›
#77 of 96 in Text to speech.
Is Chatterbox better than Magpie TTS Zeroshot?›
On AA TTS controlled voice, Chatterbox scores 931 vs 939 — about the same.
When was Chatterbox released? Is there a newer version?›
Released 2025-05-28. It is the current version in its line.
Is Chatterbox open source?›
Yes, the weights are open (MIT licence).
Can I run Chatterbox locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
What is Chatterbox?›
Chatterbox is an open-weights speech & voice model from Resemble AI, released May 2025.
What are the best alternatives to Chatterbox?›
Qwen Audio 3.1 TTS Plus (cheaper), Simba 3.2 (better), Ming 3.0 TTS (open weights).