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Async vs AudioGen

Both stand on ai sound effect generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Async

Free plan APIiPhoneWeb

Async combines chat-based video editing with audio cleanup, clip creation and remote recording. The free plan has defined credit, upload and export limits, and mobile availability is listed for iOS only.

Visit Async

AudioGen

Free plan APILinuxSelf-hosted

AudioGen provides text-to-sound generation with several sampling controls and prompt-based continuation. Its language and vocal limits, hardware requirement, and separate code and weights licenses are important considerations.

Visit AudioGen

The facts

AsyncAudioGen
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, iPhone, WebAPI, Linux, Self-hosted
Lowest paid planFree or on requestFree or on request
Plans published51
MakerNot publishedNot published
Websiteasync.comgithub.com
On ai sound effect generators#1 of 29#2 of 29

Async: what it does well

  • Edits video through chat
  • Magic Dust reduces background noise
  • Remote interviews support up to 10 participants
  • Free plan includes 2 GB storage

What to know first

  • No Android version is listed
  • Free plan exports up to 720p
  • AI credits reset each billing cycle

AudioGen: what it does well

  • Generates audio from text descriptions.
  • Supports audio continuation from a prompt.
  • Offers greedy, temperature, top-K, and top-P sampling.
  • API example saves audio as WAV.
  • Free plan costs nothing.

What to know first

  • Medium-model local inference needs at least 16 GB GPU memory.
  • Performs less well with non-English descriptions.
  • Cannot generate realistic vocals.
  • Training datasets are not provided.

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