Codex vs Claude Code

Both are terminal-based coding agents with similar core capability. Codex runs on OpenAI's models and integrates tightly with the ChatGPT ecosystem; Claude Code runs on Anthropic's models and is generally rated strong on long, multi-step coding tasks. Pricing and usage limits differ — check the table above.

Usually yes — Codex and Claude Code are typically billed separately from the consumer chat apps, though usage may be bundled into certain higher-tier plans. Confirm current bundling on the vendor's pricing page before buying.