Codex vs Artemis

Every verified difference between Codex and Artemis, with a source for each value. Updated 12 Oct 2026.

Side by side

Codex and Artemis side by side
Feature	Codex	Artemis
Pricing model	—	Freemium
Fees	—	Intern plan $0 with limited queries and daily rate limits; Plugin plan $500 adds the Sheets add-in and API access; Snowflake share, API and MCP at the top tier by contacting sales
Free plan	—	Yes
API	—	Yes