WhisperX
WhisperX (Large v3) with forced alignment for accurate word-level timestamps plus optional speaker diarization. Uses VAD to cut long files into segments and a wav2vec2 aligner to pin each word to its exact time. Useful for subtitles and per-speaker transcripts.
WhisperX is speech-to-text AI model from Replicate, priced at €0.000 per 1M input tokens with a unknown context window.
Drop audio file here
MP3, WAV, M4A, FLAC (max 25MB)
Pricing
API Integration
Use our OpenAI-compatible API to integrate WhisperX into your application.
npm install railwailimport railwail from "railwail";
const rw = railwail("YOUR_API_KEY");
// Simple — just pass a string
const reply = await rw.run("whisperx", "Hello! What can you do?");
console.log(reply);
// With message history
const reply2 = await rw.run("whisperx", [
{ role: "system", content: "You are a helpful assistant." },
{ role: "user", content: "Explain quantum computing simply." },
]);
console.log(reply2);
// Full response with usage info
const res = await rw.chat("whisperx", [
{ role: "user", content: "Hello!" },
], { temperature: 0.7, max_tokens: 500 });
console.log(res.choices[0].message.content);
console.log(res.usage);Frequently asked questions
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