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Athas vs Void: catalog facts
Athas	Void
Free Free and open source under the AGPL-3.0; AI use can draw on included credit, your own keys…	Free Free and open source; you pay any model provider you connect to.
Windows, macOS, Linux	macOS
Coding agents and model switching built into the editor Works with your own API keys or local models through Ollama	Bring your own model, including self-hosted open models No private backend between you and the provider
Pre-1.0 software that is still changing quickly Smaller extension ecosystem than established editors	Still distributed as a beta Needs an API key or a self-hosted model for AI features
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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