Codex uses OpenAI models by default, but it also supports third-party model providers. Kimi Code exposes an endpoint compatible with the Codex Responses API. This guide documents how to use Kimi K3 as a Codex model.
Last updated on: Aug 19, 2026
A step-by-step guide to connecting Kimi Code to Codex CLI, including TOML configuration, API key setup, profile switching, and long-context settings.
Codex uses OpenAI models by default, but it also supports third-party model providers. Kimi Code exposes an endpoint compatible with the Codex Responses API. This guide documents how to use Kimi K3 as a Codex model.
Last updated on: Aug 19, 2026
Subscribe for full site access, or buy this article
After subscribing, you will be signed in automatically. To cancel or manage the subscription, use the Stripe management entry at the bottom of the subscribe page.
Enter the email used during purchase to restore access