vLLM

by vLLM Project

High-throughput inference engine — supports Whisper / Llava / Qwen-Audio.

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TL;DR

Best for bulk Whisper inference + audio-LLM serving with continuous batching. Pricing: free.

What it is

The reference paged-attention inference engine. Apache-2.0.

Best for: Bulk Whisper inference + audio-LLM serving with continuous batching.
Watch out for: GPU-only; Whisper integration newer than text generation paths.

Install / use

pip install vllm

Features

Speaker diarization	No
Word-level timestamps	Yes
Streaming / real-time	No
Languages supported	99
HIPAA eligible	No

Links

GitHub repo ↗

vLLM vs Whipscribe

Feature	vLLM	Whipscribe
Category	Open source	Transcription APIs
Pricing	free	$4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup
Speaker diarization	No	Yes
Word timestamps	Yes	Yes
Streaming	No	No
Languages	99	99
Platforms	Linux, Docker	Web, API, MCP

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