Raon SpeechLM measured on 2 of 3 Text to speech benchmarks2
BenchmarkByScoreRank
No benchmark matches
API price not publicprice
1,005arena Elo
Apr 2026released
en, koLanguages
YesVoice cloning
Ranking?
Full ranking →···
40Chatterbox93141Raon SpeechLM92842Noiz TTS917Strong at
Alternatives?
ModelScoreCostPriceWhat changes
SBetterSimba 3.2wins 71%—$6.60Languages: loses koAOpenMing 3.0 TTSwins 69%——SBetterSimba 3.0wins 65%—$6.60Languages: not verified+1IBetterRealtime TTS-2 Flashwins 69%—$10.40ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
SSimba 3.2wins 71%—$6.60Languages: loses koSSimba 3.0wins 65%—$6.60Languages: not verified+1IRealtime TTS-2 Flashwins 69%—$10.40Run it yourself
Fits onhardware needs not verified yet
LicenceCC BY-NC 4.0no commercial use
FAQ
How much does Raon SpeechLM cost?›
There is no per-unit API price: API price not public.
Is Raon SpeechLM free to use?›
There is no free API. The weights are open, so you can run it yourself.
How good is Raon SpeechLM, and what is it best at?›
#79 of 96 in Text to speech.
Is Raon SpeechLM better than Chatterbox?›
On AA TTS controlled voice, Raon SpeechLM scores 928 vs 931 — about the same.
When was Raon SpeechLM released? Is there a newer version?›
Released 2026-04-08. It is the current version in its line.
Is Raon SpeechLM open source?›
Yes, the weights are open (cc-by-nc-4.0 licence).
Can I run Raon SpeechLM locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
What is Raon SpeechLM?›
Raon SpeechLM is an open-weights speech & voice model from Krafton, released Apr 2026.
What are the best alternatives to Raon SpeechLM?›
Simba 3.2 (better), Ming 3.0 TTS (open weights).