OpenAI Codex: score, price and alternatives in 2026
Delegates coding tasks to cloud and local agents inside ChatGPT plans. OpenAI Codex is made by OpenAI and ranks #6 of 100 in our ranking of AI agents, with a score of 84/100.
- Score
- 84/100
- Overall rank
- #6
- Coding rank
- #3 of 27
- Company
- OpenAI
OpenAI Codex pricing
Included in Plus $20/mo; Pro from $100/mo; Business $20/user/mo billed annually.
Checked against the vendor's page on . Official pricing page.
How OpenAI Codex scores
Strong autonomy and momentum, bundled into plans many teams already pay for. It does best on pricing transparency, momentum and adoption.
Scores are editorial judgments on a 1 to 5 scale per criterion, weighted to a total out of 100. How the scoring works.
OpenAI Codex alternatives
- GitHub Copilot (coding agent) (90/100, #2): Cloud coding agent and code review, the safest enterprise default for many teams.
- Claude Code (87/100, #3): Terminal-native coding agent with a permission-gated execution loop.
- Cursor (78/100, #12): AI-first IDE with a multi-file agent; the most cited daily driver for developers.
- Cline (75/100, #22): Open-source coding agent that runs inside the editor.
See the full ranking of 100 AI agents, with search and filters.
Frequently asked questions
How much does OpenAI Codex cost?
Included in Plus $20/mo; Pro from $100/mo; Business $20/user/mo billed annually. We checked this on the vendor's official page on 2026-10-31; prices change often, so confirm there before you buy.
Does OpenAI Codex have a free plan?
We did not find a free plan on the official page. Listed pricing: Included in Plus $20/mo; Pro from $100/mo; Business $20/user/mo billed annually.
What is OpenAI Codex?
Delegates coding tasks to cloud and local agents inside ChatGPT plans. It is made by OpenAI and sits in our Coding category.
How good is OpenAI Codex compared with other AI agents?
It scores 84/100, which is #6 of 100 agents overall and #3 of 27 in Coding. Closest alternatives: GitHub Copilot (coding agent) (90/100), Claude Code (87/100) and Cursor (78/100).
How is the score calculated?
Each agent gets 1 to 5 on 8 weighted criteria; the points add up to a total out of 100. The scores are Deyron Labs editorial judgments, not benchmarks.
Our independence
Scores and positions are never for sale, and vendors do not review or edit this page. There are no sponsored or affiliate links on it. If that ever changes, the links will be labeled. Spotted a wrong detail? Suggest a correction and include the official page that shows it. Visit OpenAI Codex's official site.