Compare

vid2context vs plain Whisper

Whisper (MIT) is a speech recognition model. Point it at an audio file and it writes a transcript. vid2context uses Whisper-class models too, but it starts from a link, checks for captions first, and picks a Whisper rung (local, free tier or keyless) only when the video has none.

What each one does

Whisper vid2context
Input An audio or video file on disk A link or a file
Uses existing captions No, always transcribes Yes, captions first
Where it runs Your machine; a GPU helps for large models Your machine, or free hosted rungs when you have no GPU
Setup Python, PyTorch, ffmpeg, a model download Node.js; nothing else for captions and keyless rungs
Metadata and chapters No Yes
Output Text, SRT, VTT, JSON text, json, markdown, srt, vtt, pack, a .zip, MCP tool results
License MIT Apache-2.0

When to pick plain Whisper

  • You have audio files and a GPU, and you want full control of the model and its decoding options.
  • Nothing may leave your machine and you do not need anything but the text.

When to pick vid2context

  • Your input is a link. Most YouTube videos already have captions, which cost nothing and take a second.
  • You have no GPU: free hosted Whisper rungs do the work, and local ones (whisper.cpp, Transformers.js) run first when you set them up.
  • You want the transcript in your agent with timestamps and chapters.

The same model, either way

This is what the keyless OVH whisper-large-v3-turbo rung returned for a public-domain Apollo 11 clip, recorded from the real service:

text
[0:00] I'm going to step off the limb now.
[0:07] That's one small step for man, one giant leap for mankind.

To keep everything local, set up whisper.cpp and set VID2CONTEXT_POLICY=local-only. See Transcribe a video with Whisper for free.