Pyannote vs AssemblyAI vs Deepgram vs Speechmatics

A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.

	Pyannote Speaker-ID API from the open-source diarization standard Visit	AssemblyAI Speech-to-text and audio intelligence API Visit	Deepgram Real-time speech-to-text platform Visit	Speechmatics Speech-to-text API tuned for heavy accents and dialects Visit
RECATOOLS Score	8 / 10	7.8 / 10	8 / 10	8 / 10
Capability	9	8	8	8.5
Value for money	7	7	8	7
Ease of use	6	8	7	6.5
ASEAN readiness	6	6	6	6.5
API quality	8	9	9	8.5
Pricing	Open Source	Paid	Freemium	Enterprise
Free tier	—	—	$200 free credit (one-time, no credit card required, no expiration) on the Pay As You Go plan	—
Paid from	—	—	Pay-as-you-go from $0.0048/min (Nova-3 Monolingual streaming)	—
Has API	✓	✓	✓	✓
Open source	✓	✗	✗	✗
Free to use	✓	✗	✗	✗
Users	—	—	200,000+ developers	—
Founded	2020	2017	2015	2006
Maker	—	—	—	—
Verdict	pyannote-audio is the toolkit most transcription and meeting-intelligence products quietly rely on for diarization, and pyannoteAI is the company monetizing that reputation with a hosted API. The Precision-2 model claims...	AssemblyAI is a developer-focused speech AI platform delivering accurate transcription plus audio-intelligence features like speaker diarization, summarisation, sentiment, topic detection, and PII redaction through a cle...	Deepgram is the specialist pick for latency-sensitive voice applications. Nova-3 streams transcription from $0.0048/min with sub-300ms latency, and the Flux model (multilingual since April 2026) builds end-of-turn detect...	This is infrastructure, not an app, you're calling an API or SDK, not clicking through a dashboard for casual use. What it's genuinely good at is holding up on messy real-world audio: strong accents, overlapping speakers...
	Full review →	Full review →	Full review →	Full review →

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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.