AssemblyAI vs Deepgram

AssemblyAI
Speech-to-text API with speaker labels, sentiment, and LLM-powered audio understanding for developers
63.0 · B
From $15/mo · See pricing
Deepgram
Fast, cheap, real-time speech-to-text and voice APIs powering production voice agents at scale
63.3 · B
From $10/mo · See pricing
SpecAssemblyAIDeepgram
CategoryAI AudioAI Audio
Pricing$15/mo$10/mo
Hours saved/wk55
Ease of use77
Popularity77
Usefulness88
ROI Score63.063.3

Our pick: Deepgram

With an ROI score of 63.3/100, Deepgram edges ahead on value for money. Plans start at $10/mo.

Try Deepgram Free →

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Frequently asked questions

Is AssemblyAI better than Deepgram in 2026?

Based on our editorial ROI Score, Deepgram (63.3/100) edges out AssemblyAI (63.0/100). The score factors in cost, time saved, ease of use, and output quality.

Is AssemblyAI cheaper than Deepgram?

Deepgram starts at $10/mo, while AssemblyAI starts at $15/mo. Visit the full pricing pages for plan details.

What is the main difference between AssemblyAI and Deepgram?

Both are AI Audio tools, but they differ in pricing, ease of use, and feature depth. Deepgram scores higher on our ROI metric, which weights value for money alongside real-world output quality.

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