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Deepgram vs Fish Audio comparison

Compare Deepgram and Fish Audio 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.

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.

High-quality voice cloning in just 15 seconds

An AI voice-cloning and synthesis platform that clones a voice from just 15 seconds of audio, with support for emotion control and multilingual synthesis. A voice created from an English recording can be converted into 30+ languages.

Edge vs. similar tools: Its flagship S1 model beats ElevenLabs in blind tests at a far lower API price. The open-source release is limited to the lightweight S1-mini model.

Item-by-item comparison

Deepgram83

Pricing

Free plan
No
Cheapest paid
-
Plans
3

Specs

Languages
50
Voice cloning
-
Real-time
Supported

Cross-cutting

Korean
Supported
API
Yes
Commercial use
Allowed
Fish Audio69

Pricing

Free plan
Yes
Cheapest paid
from $11/mo
Plans
4

Specs

Languages
-
Voice cloning
Supported
Real-time
-

Cross-cutting

Korean
Supported
API
Yes
Commercial use
Limited

Deepgram vs Fish Audio: which should you choose?

  • Fish Audio can be started for free, so you can see the results first without signing up.
  • Deepgram has the higher popularity score (Deepgram 83 vs Fish Audio 69), so it has stronger public awareness signals in this category.
  • Commercial-use terms are more permissive on Deepgram's side.

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