OpenRouter Audio Transcription

Transcribe audio files using OpenRouter's chat completions API with input_audio content type. Works with any audio-capable model.

Quick start

{baseDir}/scripts/transcribe /path/to/audio.m4a

Output goes to stdout.

Useful flags

# Custom model (default: google/gemini-3-flash-preview)
{baseDir}/scripts/transcribe audio.ogg --model openai/gpt-4o-audio-preview