OpenAI•Audio & SpeechOpen WeightsFrontier Milestone
Whisper Large v3 Turbo
Pruned 809M open speech transcription model running 8x faster than standard Whisper Large v3.
Technical Specification Matrix
Parameters809 Million
Context Window30-second sliding audio chunks
Access ModelOpen Weights
LicenseMIT
Release DateOctober 2024
Author LabOpenAI
Architecture & Engineering Overview
Underlying Neural Architecture
Sequence-to-Sequence Encoder-Decoder Transformer
Editorial Analysis
Whisper Large v3 Turbo reduces decoder layers from 32 down to 4 while preserving state-of-the-art multilingual word error rates (WER), making real-time open speech-to-text inference feasible on consumer hardware.
Verified Core Competencies
8x Faster Inference
MIT License
Near-Zero Quality Degradation
Multilingual Speech Recognition
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