Whisper vs AssemblyAI

Whisper is free and private but you run it. AssemblyAI is an API that adds speaker labels, topics and summaries on top of transcription.

Whisper

Free

Pick Whisper if…

Cost or privacy rules out sending audio to a third party.

Full details Visit ↗

AssemblyAI

Free plan

Pick AssemblyAI if…

You want speaker separation and structure without building it.

Full details Visit ↗

Side by side

	Whisper	AssemblyAI
Pricing	Free	Free plan
Category	Audio & Voice	Audio & Voice
Best known for	OpenAI's open-source speech recognition, strong across accents.	Speech-to-text API with diarisation, topics and summarisation.
Tags	transcription, open-source, speech-to-text	transcription, api, diarisation

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