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Codex CLI vs OpenCode

Our take

Pick Codex CLI if developers on ChatGPT Plus or Pro who want Codex in the repo they already have open. Pick OpenCode if developers who want a local MIT agent and will connect a provider or use the included free models.

Codex CLI

Codex CLI

OpenAI’s terminal coding agent

Best for

Codex CLI An agent that stays in the terminal

OpenCode An open-source agent you run locally

Free plan

Codex CLI $0 · /month. Quick coding tasks; GPT-6 Luna in the desktop app (rollout)

OpenCode $0 · mIT. Free models included

Lowest paid

Codex CLI Go $8/mo

OpenCode Go $10/mo

Next step up

Codex CLI Plus $20/mo

OpenCode Zen $20

Coding agent

Codex CLI Codex

OpenCode Agent + Tab inside the editor

Watch out

Codex CLI CLI usage shares the ChatGPT pool

OpenCode $0 is the agent

Last checked

Codex CLI 2026-10-22 · developers.openai.com/codex/pricing

OpenCode 2026-10-22 · opencode.ai

Which one, then?

Pick Codex CLI if

developers on ChatGPT Plus or Pro who want Codex in the repo they already have open.

Read the Codex CLI page

Pick OpenCode if

developers who want a local MIT agent and will connect a provider or use the included free models.

Read the OpenCode page

Other comparisons