AssemblyAI vs Deepgram comparison
Compare AssemblyAI and Deepgram in Audio item by item — price, plans, specs, Korean support, and commercial-use availability. In the table below, use Show differences only to filter to just the differing rows.
High-accuracy STT API for developers
A developer Voice AI platform for pre-recorded and realtime speech recognition, diarization, keyterm prompting, summarization, and voice agent APIs.
Edge vs. similar tools: It goes beyond transcription by packaging natural-language prompting, keyterm boosts, medical mode, and voice agent APIs in one platform.
Realtime voice AI API platform
A developer speech AI API platform for realtime STT, TTS, and voice agents through Nova, Flux, Aura, and the Voice Agent API.
Edge vs. similar tools: It focuses on realtime voice-agent infrastructure, including turn detection and interruption handling, beyond STT and TTS.
Item-by-item comparison
Pricing
- Free plan
- No
- Plans
- 3
Specs
- Languages
- 99
- Real-time
- Supported
Cross-cutting
- Korean
- Supported
- API
- Yes
- Commercial use
- Allowed
Pricing
- Free plan
- No
- Plans
- 3
Specs
- Languages
- 50
- Real-time
- Supported
Cross-cutting
- Korean
- Supported
- API
- Yes
- Commercial use
- Allowed
AssemblyAI vs Deepgram: which should you choose?
- AssemblyAI has the higher popularity score (AssemblyAI 86 vs Deepgram 83), so it has stronger public awareness signals in this category.

