
7/7/2026
What this post added
This post details the development and release of Cohere Transcribe Arabic, an extension of the existing Transcribe ASR model. It highlights the specific engineering challenges and solutions for handling Arabic's dialectical richness, code-switching, and bilingual speech. The post quantifies accuracy improvements over existing models (Whisper, OmniASR) using WER on various datasets and presents human evaluation results. It also details performance optimizations for production serving, including integration with vLLM for high-throughput workloads and RTFx scores.