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Cursor vs OpenAI Codex

Two sides of the AI coding assistants decision: AI-first editor and terminal agent. When each fits, what it costs, who moves from one to the other, and what makers who chose it say.

CursorAI-first editorllms.txt
OpenAI CodexTerminal agentllms.txt
Ask your AI about this, with this page as the source:ChatGPT ↗Claude ↗Perplexity ↗

Which fits you

Choose Cursor if
  • You want to see and steer each change inside your editor

Use it whenYou like working in an editor and want to see and steer each change as it happens.

Trade-offHeavy agent use is billed through credits, so costs can grow beyond the base plan.

Choose OpenAI Codex if
  • You're comfortable in a terminal and want to hand off whole tasks

Use it whenYou already pay for ChatGPT, or want an open-source CLI backed by OpenAI models.

Trade-offBuilt around OpenAI models, and usage limits depend on your ChatGPT plan.

At a glance

CursorOpenAI Codex
Used by538 makers' products136 makers' products
Cost at default usagedevelopers 1 seat$20/mo Pro$8.00/mo ChatGPT Go
Moved to it on GitHubpull requests since Oct 202412 from OpenAI Codex16 from Cursor
Downloads★ 126.3k
PricingFree Hobby tier; paid Pro/Pro+/Ultra individual plans and per-seat Teams/Enterprise plans, usage billed via credits. · paid from $20/moIncluded with ChatGPT plans (limited on Free; Go $8/month; Plus $20/month; Pro from $100/month; Business $20/user/month; Enterprise custom), extendable with credits; the CLI can also use an API key. · paid from $8/mo
Free tierYesYes
Open sourceNoYes
Incidents, 90 daysfrom its status page50+ (15 major)25+ (4 major)

Who moves from one to the other

Public pull requests on GitHub since Oct 2024 whose title says "Cursor to OpenAI Codex" or the reverse — real code changes, by developers in general rather than makers only.

OpenAI Codex → Cursor12 PRs
All matching pull requests on GitHub ↗
Cursor → OpenAI Codex16 PRs
All matching pull requests on GitHub ↗

What makers say

Makers on using it for AI coding assistants, from Product Hunt and Starter Story interviews, each linked to the source. Products with a page of their own and fuller notes first.

On Cursor
Cursor was our main AI assisted IDE for coding. Writing complex backend logic became so much faster. It literally feels like having a senior developer building the product with you.
Askiva AI, the makerSep 2026 ↗
Fork of VSCode with an agentic coding focus. Especially easy to manage models and spin up multi-model results for a single query and have all the work trees handled automagically.
Astropad Workbench, the makerSep 2026 ↗
Cursor speeds up our coding. It’s like a better version of GitHub Copilot and lets us chat with our codebase, making it easier to navigate and understand. Cant go back without this.
Central, the makerSep 2026 ↗
344 more on the Cursor page →
On OpenAI Codex
Codex is one of the three harnesses HarnessRouter routes to, and we use it in our own build loop. Its structured output made it one of the cleanest harnesses to normalize against.
HarnessRouter, the makerSep 2026 ↗
Helps us move faster from idea to implementation. Useful for prototyping, debugging, and shipping production-ready changes. A fast, reliable coding partner during development.
GetThis, the makerSep 2026 ↗
Helps us move faster from idea to implementation. Useful for prototyping, debugging, and shipping production-ready changes. A fast, reliable coding partner during development.
GetThis, the makerMay 2026 ↗
101 more on the OpenAI Codex page →

Loved and watch-outs

Themes that recur in makers' words and Hacker News comments, each linked to what it summarises.

Cursor
Most loved
  • Tab completion is fast and accurate, and stays useful when hand-editing code or when agents fall short on large tasks. PHHNHN 2PH 2
  • Changes arrive as reviewable diffs in the editor, keeping the developer in control in bite-size steps. PHHNHN 2PH 2
  • Chatting with the codebase in context helps developers navigate and understand unfamiliar code. PHPH 2PH 3PH 4
Watch-outs
  • The subscription feels pricey next to Claude or Codex plugins, and premium model requests add per-use costs. HNHN 2
  • The agent can claim a bug is fixed without seeing the running app, so output has to be checked and tested by hand. HNHN 2
On Product Hunt: 5.0★, 956 reviews · mentioned most: seamless integration, intelligent code suggestions, code generation · complaints: context aware, occasional crashes
OpenAI Codex
Most loved
  • Takes complete repo-wide tasks, from implementation through tests, debugging and release prep, and verifies them in the same environment. PHPH 2PH 3PH 4
  • Particularly strong at backend architecture and tracking down bugs from vague descriptions. PHHN
  • Usage limits are generous compared with Claude Code and Cursor. PHPH 2
On Product Hunt: 5.0★, 96 reviews

Who uses each

Cursor538 makers' products
AdCreative.aiAgentplace.ioAI Context Flowai_liciaAirbook AIAirtopAmieAmurexAndsendAnnotateAPIRadarAra+526 more
OpenAI Codex136 makers' products
agent-managerAgent-SinAgentRailAlmanacAmamiAmnesiaAmy by JellyfishAskCodiBuildermarkChertChronockClick+124 more
Used by both — often one replacing the other, or each for a different part of the product
ColibotAIDeep Work PlanEdgeeMindPalngrok AI GatewayOasisPusharyReplaySnaplyTaskShellTopviewYamanote 3D

What makers pair each with

With Cursor
Hosting
Transactional Email
LLM API
Frontend Framework
With OpenAI Codex
Hosting
Frontend Framework
Transactional Email
LLM API

Neither quite right?

See the whole AI coding assistants decision →
Devin Desktop (formerly Windsurf)AI-first editorA VS Code-style editor with unlimited Tab completions, an in-editor agent, and one place to manage local and cloud Devin agents.vs Cursor →vs OpenAI Codex →
Claude CodeTerminal agentHanding off multi-step tasks — features, refactors, bug hunts — to an agent that reads the repo, edits files and runs commands.vs Cursor →vs OpenAI Codex →
OpenCodeTerminal agentAn open-source coding agent that works with almost any model provider, local models, or an existing Copilot or ChatGPT subscription.vs Cursor →vs OpenAI Codex →
GitHub CopilotEditor pluginAdding AI completions, chat and agents to the editor you already use, including VS Code and JetBrains IDEs, plus pull request reviews on GitHub.vs Cursor →vs OpenAI Codex →