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T3 Code vs HAPI: catalog facts
T3 CodeHAPI
Free

Free and open source under MIT; agent subscriptions are paid separately.

Free

Free and open source under the AGPL; the coding agents it runs may have their own costs.

Windows, macOS, Linux, Android, iOS, Web, Command line Windows, Web
  • One interface for several coding agents
  • Mobile apps for remote control of agents
  • Works with Claude Code, Codex, Gemini and OpenCode
  • Sessions run locally on your own machine
  • Requires at least one agent installed and logged in
  • Does not include models of its own
  • Requires the underlying agent CLIs and their accounts
  • Little documentation is visible on the homepage
Downloadable app, Web application Downloadable app
Open source Open source
License: MIT License: AGPL-3.0-only
Not stated if an account is needed Not stated if an account is needed
Needs internet Needs internet

Checked October 1, 2026

Checked October 2, 2026

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