Claude Code vs OpenAI Codex
Claude Code is our pick for the strongest all-round coding agent; Codex is the better value if you already pay for ChatGPT, since it's included from the $8/month Go plan.
Last checked · facts from vendor pages · editorial verdict · how we rank
Pick it if: You want top agentic coding quality and the deepest hooks/MCP/skills ecosystem.
Pick it if: You already have ChatGPT, want GPT-6.1 Sol, or want to run parallel cloud tasks.
Side by side
| Claude Code | OpenAI Codex | |
|---|---|---|
| What it is | Anthropic's agentic coding tool for terminal, IDE and cloud. | OpenAI's coding agent across CLI, IDE, desktop and cloud. |
| Vendor | Anthropic | OpenAI |
| Pricing (as checked) | Included with Claude Pro ($20/mo, or $17/mo billed annually) and Max (from $100/mo, 5x or 20x Pro usage). Also usable pay-as-you-go via API credits. | Included in ChatGPT: Free $0, Go $8/mo, Plus $20/mo, Pro from $100/mo ($100/$200/$500 tiers), Business $20/user/mo annual ($25 monthly). |
| Starts at | $20/mo (Claude Pro) | $8/mo (Go) |
| Free tier | No free plan listed | Yes |
| Open source | No | Yes |
| Included with | Claude Pro and Max | ChatGPT Free, Go, Plus, Pro, Business, Edu, Enterprise |
| Surfaces | Terminal, IDE extensions, desktop, cloud sessions | CLI, IDE extension, desktop app, web, iOS |
| Our rankings | #1 Coding agents | #2 Coding agents |
Claude Code
- +Top-tier agentic coding quality with Opus/Sonnet 5.5
- +Huge MCP/hooks/skills ecosystem
- +Very fast release cadence
- −Usage limits on subscription plans
- −Terminal-first UX isn't for everyone
OpenAI Codex
- +Comes with ChatGPT you may already pay for
- +Strong GPT-6.1 Sol models
- +CLI is open source
- −Usage shared with ChatGPT Work
- −Best features on higher tiers
FAQ
Claude Code or OpenAI Codex: which is better?
Claude Code is our pick for the strongest all-round coding agent; Codex is the better value if you already pay for ChatGPT, since it's included from the $8/month Go plan.
When should I pick Claude Code?
Pick Claude Code if: You want top agentic coding quality and the deepest hooks/MCP/skills ecosystem.
When should I pick OpenAI Codex?
Pick OpenAI Codex if: You already have ChatGPT, want GPT-6.1 Sol, or want to run parallel cloud tasks.
How much do Claude Code and OpenAI Codex cost?
Claude Code: Included with Claude Pro ($20/mo, or $17/mo billed annually) and Max (from $100/mo, 5x or 20x Pro usage). Also usable pay-as-you-go via API credits. OpenAI Codex: Included in ChatGPT: Free $0, Go $8/mo, Plus $20/mo, Pro from $100/mo ($100/$200/$500 tiers), Business $20/user/mo annual ($25 monthly). (Checked 2026-10-22.)