IBM releases open multilingual speech model Granite Speech 5.0 2B
IBM has released a 2-billion-parameter speech model under Apache 2.0, ranked second among open-weight models on the Open ASR Leaderboard.
By GennnAi··1 min read
IBMGranite Speech 5.0 2BGranite Speech 5.0 Turbo CTCGranite Speech 4.1 2B PlusOpen ASR LeaderboardHugging FaceModèlesFlash
Granite Speech 5.0 2B transcribes English, French, German, Spanish, Portuguese and Japanese, and translates to and from English in those languages, plus English to Italian and Mandarin. Trained on 390,000 hours of public audio, it posts an average English word error rate of 5.06% on the leaderboard's short-form test sets. IBM also updated Turbo CTC, now multilingual and about 1.6 times faster, and Granite Speech 4.1 2B Plus.
Source: IBM Granite, published on October 21, 2026.