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Ellipsis vs Cosine: catalog facts
Ellipsis	Cosine
Paid Prices are not listed on the homepage; it installs as a GitHub app and a demo can be…	Paid Plans are listed on the pricing page; sovereign and air-gapped deployments go through the…
Web, Command line	Web, Command line
Agents defined as version-controlled YAML in the repository Switch between Claude Code and Codex or between model providers easily	Own coding-specialised Lumen models Options for air-gapped and secure environments
Hosted service tied to GitHub Pricing is not shown on the homepage	Aimed mainly at organisations rather than individuals Larger deployments require contacting the team
Hosted service	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	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.