Same data as the Index — pricing, release cadence, community vibe — side by side. Right now OpenAI Codex leads 74.0 to 58.3.
OpenAI
Formula v1 — see the public methodology. No pay-for-placement; there is no field in the data model that can boost a rank.
Individual plans include Free ($0/month), Go ($8/month), Plus ($20/month), and Pro (from $100/month); Business plans start at $25/user/month when billed monthly, and an API Key option is usage-based.
OpenAI Codex today vs. yesterday?
Anonymous, one click, one vote per agent per day.
Moonshot AI
Formula v1 — see the public methodology. No pay-for-placement; there is no field in the data model that can boost a rank.
Aggressively priced subscription/API from Moonshot; exact mid-2026 plans need verification.
Kimi Code today vs. yesterday?
Anonymous, one click, one vote per agent per day.