{"slug":"ibm-granite-speech","name":"IBM Granite Speech","domain":"ibm.com","best_rank":4,"categories":1,"entries":[{"slug":"best-open-source-speech-to-text-model","title":"Best open-source speech-to-text model","rank":4,"of":11,"score":8,"appearances":2,"modelRanks":{"Gemini":2,"Grok":2},"reason":"Top-tier accuracy on open benchmarks under an Apache 2.0 license, offering a non-autoregressive variant for massive throughput and a Plus model that natively supports speaker attribution and timestamps.","reasons":[{"model":"Gemini","reason":"Top-tier accuracy on open benchmarks under an Apache 2.0 license, offering a non-autoregressive variant for massive throughput and a Plus model that natively supports speaker attribution and timestamps."},{"model":"Grok","reason":"Very close to top accuracy (~5.85% WER), excels in enterprise English ASR plus built-in translation capabilities; robust for production with good handling of varied domains; open weights suit self-hosting practitioners needing reliability over raw speed."}],"fixes":[{"model":"Gemini","fix":"Very limited multilingual support, optimized primarily for English and five other major languages."},{"model":"Grok","fix":"Larger size leads to higher inference costs/latency; less optimized for extreme multilingual or ultra-low-latency scenarios compared to specialists."}],"updated":"2026-07-15","api":"https://modelsagree.com/api/v1/best/best-open-source-speech-to-text-model.json"}],"page":"https://modelsagree.com/product/ibm-granite-speech","check":"https://modelsagree.com/check?q=IBM%20Granite%20Speech","updated":"2026-07-16T03:47:53.793Z","attribution":"modelsagree.com, CC BY 4.0"}