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metadata
license: apache-2.0
license_link: LICENSE
tags:
  - llamafile

OpenAI Whisper - llamafile

Whisperfile is a high-performance implementation of OpenAI's Whisper created by Mozilla Ocho as part of the llamafile project, based on the whisper.cpp software written by Georgi Gerganov, et al.

The model is packaged into executable weights, which we call whisperfiles. This makes it easy to use the model on Linux, MacOS, Windows, FreeBSD, OpenBSD, and NetBSD for AMD64 and ARM64.

Quickstart

Running the following on a desktop OS will transcribe the speech of a wav/mp3/ogg/flac file into text. The -pc flag enables confidence color coding.

wget https://huggingface.co/Mozilla/whisperfile/resolve/main/whisper-tiny.en.llamafile
wget https://huggingface.co/Mozilla/whisperfile/resolve/main/raven_poe_64kb.mp3
chmod +x whisper-tiny.en.llamafile
./whisper-tiny.en.llamafile -f raven_poe_64kb.mp3 -pc

screenshot

There's also an HTTP server available:

./whisper-tiny.en.llamafile

You can also read the man page:

./whisper-tiny.en.llamafile --help

Having trouble? See the "Gotchas" section of the llamafile README.

GPU Acceleration

The following flags are available to enable GPU support:

  • --gpu nvidia
  • --gpu metal
  • --gpu amd

The medium and large whisperfiles contain prebuilt dynamic shared objects for Linux and Windows. If you download one of the other models, then you'll need to install the CUDA or ROCm SDK and pass --recompile to build a GGML CUDA module for your system.

On Windows, only the graphics card driver needs to be installed if you own an NVIDIA GPU. On Windows, if you have an AMD GPU, you should install the ROCm SDK v6.1 and then pass the flags --recompile --gpu amd the first time you run your llamafile.

On NVIDIA GPUs, by default, the prebuilt tinyBLAS library is used to perform matrix multiplications. This is open source software, but it doesn't go as fast as closed source cuBLAS. If you have the CUDA SDK installed on your system, then you can pass the --recompile flag to build a GGML CUDA library just for your system that uses cuBLAS. This ensures you get maximum performance.

For further information, please see the llamafile README.

Documentation

See the whisperfile documentation for tutorials and further details.