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MOSS Transcribe Diarize

May 2026
OMOSS Transcribe Diarize
Compare in
on
self-host onlyprice
6.3Open ASR
May 2026released
en, zhLanguages
YesSpeaker diarization

Ranking?

Full ranking →
1Azure Speech 07 20262.52Azure Speech 06 20262.83Universal 3.5 Pro2.84Universal 3 Pro2.85Scribe v22.9
···
33OmniASR CTC 3B v28.334MOSS Transcribe Diarize8.535Nemotron 3.5 ASR Streaming 0.6B9.9

Run it yourself

estimate
Fits on✓ 8 GB (phone, laptop) · full quality✓ 16 GB · full quality✓ 24 GB GPU · full quality✓ 48 GB GPU · full quality✓ 80 GB GPU · full quality
LicenceApache-2.0free for commercial use

Benchmarks

in Speech & Voice
Open ASR · average WER6.3#22
Open ASR · RTFx387.5#33
Open ASR · AMI Cleaned WER8.3#25
Open ASR · Earnings-22 Cleaned AA Chunked WER6.1#18
Open ASR · GigaSpeech Cleaned WER7.7#17
Open ASR · LibriSpeech Clean WER1.7#43
Open ASR · LibriSpeech Other WER4.2#45
Open ASR · SPGISpeech WER1.7#6
Open ASR · URGENT 2024 WER12.7#28
Open ASR · Voice Arena Monsoon WER3.9#23
Open ASR · VoxPopuli AA Cleaned WER3.6#29
Open ASR · Earnings-22 WER9#11
Open ASR · URGENT 2024 Clean WER5.2#18
Open ASR · French RTFx250#15
Open ASR · French FLEURS WER8.5#34
Open ASR · French MCV WER15.2#37
Open ASR · French MLS WER8.3#36
Open ASR · German RTFx243.3#15
Open ASR · German FLEURS WER6.3#35
Open ASR · German MCV WER9.8#37
Open ASR · Spanish RTFx225.2#15
Open ASR · Spanish FLEURS WER3.7#30
Open ASR · Spanish MCV WER7.8#36
Open ASR · Spanish MLS WER5.1#35
Open ASR · Italian RTFx270.7#14
Open ASR · Italian FLEURS WER4.1#32
Open ASR · Italian MCV WER10#36
Open ASR · Italian MLS WER11.3#35
Open ASR · Portuguese RTFx154.7#16
Open ASR · Portuguese FLEURS WER5#29
Open ASR · Portuguese MLS WER9.6#32
Open ASR · Dutch RTFx189.8#14
Open ASR · Dutch FLEURS WER12.6#32
Open ASR · Dutch MCV WER17.3#31
Open ASR · Dutch MLS WER13.8#32

FAQ

How much does MOSS Transcribe Diarize cost?›

There is no per-unit API price: self-host only.

Is MOSS Transcribe Diarize free to use?›

There is no free API. The weights are open, so you can run it yourself.

How good is MOSS Transcribe Diarize, and what is it best at?›

#22 of 61 in Speech to text.

Is MOSS Transcribe Diarize better than OmniASR CTC 3B v2?›

On Open ASR · French FLEURS WER, MOSS Transcribe Diarize scores 8.5 vs 8.3 — about the same.

When was MOSS Transcribe Diarize released? Is there a newer version?›

Released 2026-05-19. It is the current version in its line.

Is MOSS Transcribe Diarize open source?›

Yes, the weights are open (Apache-2.0 licence).

Can I run MOSS Transcribe Diarize locally?›

The weights are open and can be self-hosted; hardware needs are not confirmed yet.

What is MOSS Transcribe Diarize?›

MOSS Transcribe Diarize is an open-weights speech & voice model from OpenMOSS-Team, released May 2026.

What are the best alternatives to MOSS Transcribe Diarize?›

Multilingual (better), Qwen 3 ASR 1.7B Hf (open weights).