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IBM releases the open-source speech language model Granite Speech 5.0 2B, under the Apache 2.0 license, supporting speech-to-text in 6 languages and with speech translation capability. According to MarkTechPost, on the Open ASR Leaderboard the model ranks second among open-weight models with a 5.68% average English WER, behind only Qwen3-ASR-1.7B's 5.40%. Compared with 4.1 2B, it adds language ID prompting, keyword biasing of up to 2000 words, and on-demand punctuation and capitalization, and can run on Transformers, vLLM, llama.cpp and mlx-audio. There are currently no subsequent development facts.
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IBM Releases Granite Speech 5.0 2B Multilingual Speech Transcription and Translation ModelDevelopments
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Oct 22
MarkTechPost
IBM Releases Granite Speech 5.0 2B Multilingual Speech Transcription and Translation Model
IBM has released the open-source speech language model Granite Speech 5.0 2B under the Apache 2.0 license. It supports speech-to-text in 6 languages and also offers speech translation capabilities. On the Open ASR Leaderboard, the model ranks second among open-weight models with an average English WER of 5.68%, behind only Qwen3-ASR-1.7B at 5.40%. Compared with 4.1 2B, it adds language ID prompting, keyword biasing of up to 2000 words, and on-demand punctuation and capitalization, and can run on Transformers, vLLM, llama.cpp, and mlx-audio.