Codex vs Cursor: which one should you build with?
updated · #2 vs #6 in ai coding agents & IDEs · prices checked
$ which one should you use?
want ai woven through a proper editor, with tab, agent and cloud agents in one place? Cursor. already paying for ChatGPT, or want an agent that picks up GitHub issues and reviews PRs while you're down the pub? OpenAI Codex.
Cursor ranks higher on our board: #2 vs #6 of 13 coding agents, 8.5/10 vs 8.0/10.
#2 of 13 in coding agents
Cursor
numptr says8.5/10
Tab, agent and cloud agents in one editor. Plus is $8/mo, Grok models only.
- best for
- developers who want ai inside a full editor
- why 8.5
- Plus at $8 is Grok models only. Premium at $30 is where it gets proper.
#6 of 13 in coding agents
OpenAI Codex
numptr says8.0/10
already paying for ChatGPT? you've basically got it. crack on.
- best for
- ChatGPT subscribers who want a cloud + local coding agent
- why 8.0
- bundled into every ChatGPT plan, even Free with limits.
who wins for which job
you want ai inside a full editor
Cursor
best for: developers who want ai inside a full editor.
you already pay for ChatGPT
OpenAI Codex
already paying for ChatGPT? you've basically got it. crack on.
you want a cloud and local agent in one
OpenAI Codex
best for: ChatGPT subscribers who want a cloud + local coding agent.
you want to try it for free
OpenAI Codex
OpenAI Codex free tier: included in ChatGPT Free (limited usage). Cursor: limited ai usage.
overall, on our scores
Cursor
#2 of 13 coding agents, 8.5/10. OpenAI Codex: #6, 8.0/10.
the differences, side by side
rank
Cursor#2 of 13 in coding agents
OpenAI Codex#6 of 13 in coding agents
numptr score
Cursor8.5/10
OpenAI Codex8.0/10
best for
Cursordevelopers who want ai inside a full editor
OpenAI CodexChatGPT subscribers who want a cloud + local coding agent
free tier
Cursorlimited ai usage
OpenAI Codexincluded in ChatGPT Free (limited usage)
paid plans
CursorPlus $8/mo, Grok models only; Premium $30/mo (4x usage; third-party models billed by usage); Super $100/mo; Ultra $200/mo; Teams $30+/user/mo
OpenAI Codexincluded in ChatGPT Go $8/mo, Plus $20/mo, Pro $100, $200 or $500/mo; Business $25/seat/mo ($20 annual); or pay API rates with an API key
affiliate
Cursorno affiliate programme found. doesn't touch the rank.
OpenAI Codexno affiliate programme found. doesn't touch the rank.
price checked
Cursor2026-10-22 at cursor.com/pricing
OpenAI Codex2026-10-22 at developers.openai.com/codex/pricing
# straight from our rankings data. prices from each vendor's own page.
pick neither if
go deeper
quick answer: Codex vs Cursor comes down to where you want the ai to live. Cursor ranks higher on our board (#2 of 13 coding agents, 8.5/10) because it's the best place to have ai inside a full editor: tab, an agent and cloud agents in one window. OpenAI Codex (#6, 8.0/10) wins if ChatGPT is already on your card, or if you want an agent you mostly hand jobs to rather than an editor you sit in. both beat neither, and plenty of people run one inside the other's editor anyway.
the short version
| Cursor | OpenAI Codex | |
|---|---|---|
| our rank | #2, 8.5/10 | #6, 8.0/10 |
| what it is | an ai editor first, with an agent and cloud agents | an agent first: desktop app, CLI, IDE extension, web and cloud |
| free | limited ai usage | included in ChatGPT Free (limited usage) |
| cheapest paid | Plus $8/mo, Grok models only | Go $8/mo, or Plus $20/mo for the CLI, IDE and web |
| cloud agents | Premium ($30/mo) and up | Plus ($20/mo) and up |
| ai code review | Bugbot, Premium and up | GitHub code review and automatic PR reviews, Plus and up |
| models | Grok models in the plan; third-party models at API list price, billed separately | OpenAI's own (GPT-6.1 Sol, GPT-6 Luna and friends) |
| when you run out | top-offs, or wait for the weekly refresh | buy ChatGPT credits, or use an API key at API rates |
ranks and scores come straight from our coding agents board, and nobody pays to move up it.
why Cursor ranks higher
it's an editor, not a chat window bolted onto one. you get tab completions, an agent and cloud agents in the same place you read and edit code. for anyone who wants to stay hands on the keyboard and steer every diff, that's the better day out.
cloud agents and automations come with Premium. on Premium and up you also get Bugbot code reviews and code hosting via origin, so the editor, the background agents and the reviews all sit under one bill.
the catch is models. Plus at $8 is Grok models only. Premium and up give you a pool of Grok usage, but no allowance for third-party models: those are available in Cursor at API list price and billed separately. so if you want Claude or GPT models all day, budget for the meter as well as the plan. the full breakdown is in Cursor pricing.
where Codex wins
you've probably already paid for it. Codex comes with every ChatGPT plan, the free one included. on Free and Go it's GPT-6 Luna in the desktop app (OpenAI says that's still rolling out). Plus at $20 opens up Codex on the web, in the CLI, the IDE extension and on iOS.
it's built for handing jobs off. tag @codex on a GitHub issue or PR, switch on automatic PR reviews, or kick it off from Slack or Linear. cloud chats run on OpenAI's machines while yours gets on with something else. those cloud bits need a ChatGPT sign in: with an API key you get the CLI, SDK and IDE extension but no cloud features.
one model family, tuned for it. you're on OpenAI's models and nobody else's. that's simpler to reason about than a pool plus a separate meter, but it also means no Claude or Gemini inside Codex.
limits are honest about being fuzzy. OpenAI's own estimate for Plus is 15 to 160 local messages per five hours on GPT-6.1 Sol, depending on the task. Pro plans ($100, $200 or $500 a month) currently have no five-hour limit, though weekly limits may apply. more in Codex pricing.
which should you pick?
- you live in your editor and want ai in every corner of it: Cursor
- you already pay for ChatGPT Plus or Pro: Codex, it's sitting there
- you want an agent picking up GitHub issues and reviewing PRs: Codex, or Cursor Premium with Bugbot
- you want Claude or GPT models without a second meter: Codex for GPT, Claude Code for Claude
- you want the strongest agent for big multi-file changes: neither, frankly: Claude Code is #1 on our board (9.0/10). see Codex vs Claude Code and Cursor vs Claude Code
- you want open source and any model: OpenCode (#3), which can also log in with your ChatGPT Plus or Pro account
can you use both?
yes, and lots of people do. Cursor is the editor, Codex is the thing you hand a ticket to at 6 PM. the Codex CLI is a terminal program, so it runs happily in the terminal inside Cursor. if you're paying for both, though, check you actually need both before the second renewal lands.
the rest of the field
| rank | tool | best for | free tier | paid from | numptr score |
|---|---|---|---|---|---|
| #2 | Cursor | developers who want ai inside a full editor | limited ai usage | Plus $8/mo, Grok models only | 8.5/10 |
| #6 | OpenAI Codex | ChatGPT subscribers who want a cloud + local coding agent | included in ChatGPT Free (limited usage) | included in ChatGPT Go $8/mo, Plus $20/mo, Pro $100, $200 or $500/mo | 8.0/10 |
| #1 | Claude Code | delegating multi-file features from terminal or IDE | no free access: Claude Code needs a paid Claude plan (Pro and up) | Pro $20/mo | 9.0/10 |
| #3 | OpenCode | devs who want a Claude Code-style agent without being tied to one model | free and open source (MIT); free models included, or bring your own key, or log in with GitHub Copilot or ChatGPT Plus/Pro | optional OpenCode Go $10/mo or Go Plus $40/mo | 8.5/10 |
| #4 | GitHub Copilot | teams already on GitHub; budget-conscious devs | limited chat and agent usage | Pro $10/mo | 8.0/10 |
faq
is Codex better than Cursor?
not on our board. Cursor sits at #2 with 8.5/10 and Codex at #6 with 8.0/10. Cursor wins on the editor; Codex wins on value if you already pay for ChatGPT, and on cloud tasks wired into GitHub.
is Codex free?
there's a limited version in ChatGPT Free (GPT-6 Luna in the desktop app, subject to rollout). the CLI, IDE extension, web and cloud integrations start at ChatGPT Plus, $20 a month.
is Cursor free?
there's a free plan with limited agent and chat requests. Plus is $8 a month (Grok models only), Premium is $30.
can i use GPT models in Cursor?
yes, on Premium and up, as third-party models at API list price, billed separately from your plan. on Plus it's Grok models only.
Codex CLI vs Cursor: which is better for the terminal?
Codex, as Cursor is an editor first. for a terminal agent, our top pick overall is Claude Code, and the open source pick is OpenCode.
sources
checked 2026-10-22
- Codex pricing, plans, usage limits and feature table: https://developers.openai.com/codex/pricing
- Cursor pricing (plans, usage pool, third-party models, Bugbot, cloud agents): https://cursor.com/pricing
- Claude plans (Claude Code needs Pro or Max): https://claude.com/pricing
- OpenCode (ChatGPT Plus/Pro login, any model, MIT): https://opencode.ai/
- GitHub Copilot plans: https://github.com/features/copilot/plans
- ranks, scores, verdicts and free tiers: numptr data/tools.json (coding agents board)