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Big-AGI vs NextChat: catalog facts
Big-AGINextChat
Freemium

Open-source version is free; a Pro subscription costs $10.99 per month.

Freemium

The client is free and open source; the optional hosted model access is pay-as-you-go.

Web, Self-hosted Windows, macOS, Linux, Android, iOS, Web, Self-hosted
  • Works with many cloud providers and local model servers
  • Beam compares and merges answers from several models
  • One interface for many model providers
  • Apps for desktop and mobile as well as the web
  • Cloud models require your own paid API keys
  • Some features are part of the paid Pro tier
  • Needs a model provider or the paid hosted service to be useful
  • Does not run models locally by itself
Web application, Self-hosted Downloadable app, Web application, Self-hosted, Hosted service
Open source Open source
License: MIT License: MIT
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Needs internet

Checked September 26, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.