IBM releases Granite Speech 5.0 2B for multilingual speech recognition
IBM announced the Granite Speech 5.0 2B model, a 2 billion‑parameter speech‑language system aimed at automatic speech recognition (ASR) and automatic speech translation (AST) in English, French, German, Spanish, Portuguese and Japanese. The model was trained on 390,000 hours of public audio and synthetic data, using IBM’s Blue Vela super‑computing cluster with eight NVIDIA H100 GPUs over 40…
Key points
- Trained on 390,000 hours of audio and synthetic data, using 8 H100 GPUs for 40 days.
- Supports six languages, keyword‑biasing up to 2,000 items, and improved noise robustness.
- Released under Apache 2.0 license; available on Hugging Face and compatible with Transformers 4.52.1.
Evaluations on the Open ASR leaderboard and multilingual benchmarks show improvements in noisy speech, punctuation error rate and capitalization F1 (99.51 on German). The model is released under an Apache 2.0 license, supported in Transformers 4.52.1, and can be run via Hugging Face, vLLM, or local quantized binaries. IBM notes the model may still produce inaccurate or biased outputs and recommends pairing it with Granite Guardian for safety monitoring.
IBM Granite Speech 5.0 2B
huggingface.co · 21 October 2026
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