# Jules vs OpenAI Codex

> Jules: Google's coding agent that fixes bugs and opens pull requests, closing 31 December 2026
> OpenAI Codex: OpenAI's coding agent that writes, reviews and runs code from terminal, IDE, desktop or cloud

- Jules profile: https://finderatlas.com/tools/google-jules
- OpenAI Codex profile: https://finderatlas.com/tools/openai-codex
- Comparison page: https://finderatlas.com/compare/google-jules-vs-openai-codex
- Last reviewed: November 2026

## Verdict

Jules and OpenAI Codex are both Coding AI tools. OpenAI Codex scores higher in FinderAtlas's editorial review (8.5 vs 7.6 out of 10), led by ease of use and value for money. Both have a free plan or trial. Only OpenAI Codex is available on Windows, macOS and Linux.

### Choose Jules if

- You want a tool built for finishing or exporting existing work before the shutdown, previously, delegating well-scoped GitHub tasks such as bug fixes, dependency bumps and test writing.
- Works asynchronously, so several tasks can run in the background (3 concurrent on the base plan, up to 60 on Ultra).
- Plan and diff review steps keep the developer in control before a pull request is opened.

### Choose OpenAI Codex if

- You want a tool built for delegating coding tasks to an agent.
- Included with ChatGPT plans, with a free tier and an $8 Go tier.
- Open-source CLI under the Apache-2.0 license.

## Pricing

| | Jules | OpenAI Codex |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | Jules | OpenAI Codex |
| --- | --- | --- |
| Asynchronous Cloud Tasks | Yes | Not listed |
| Plan Before Code | Yes | Not listed |
| GitHub Pull Requests | Yes | Not listed |
| GitHub Issue Labels | Yes | Not listed |
| Jules Tools CLI | Yes | Not listed |
| REST API (alpha) | Yes | Not listed |
| CI Fixer | Yes | Not listed |
| MCP Server Support | Yes | Not listed |
| Scheduled and Suggested Tasks | Yes | Not listed |
| AGENTS.md Support | Yes | Not listed |
| Codex CLI | Not listed | Yes |
| IDE extension | Not listed | Yes |
| Desktop app | Not listed | Yes |
| Cloud tasks | Not listed | Yes |
| Code review | Not listed | Yes |
| Non-interactive mode | Not listed | Yes |
| MCP, skills and plugins | Not listed | Yes |
| Subagents and web search | Not listed | Yes |
| Session resume and images | Not listed | Yes |
| Mobile remote control | Not listed | Yes |

## Platforms

| Platform | Jules | OpenAI Codex |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | No | Yes |
| macOS | No | Yes |
| iOS | No | No |
| Android | No | No |
| API | Yes | Yes |
| Browser Extension | No | No |
| CLI | Yes | Yes |
| Linux | No | Yes |
| VS Code Extension | No | Yes |
| JetBrains Plugin | No | Yes |

## Jules strengths

- Works asynchronously, so several tasks can run in the background (3 concurrent on the base plan, up to 60 on Ultra).
- Plan and diff review steps keep the developer in control before a pull request is opened.
- Offered a free base plan with 15 tasks per day.
- Available through web, CLI and a documented REST API.
- Frequent updates, with MCP support, CI Fixer and scheduled tasks added in early 2026.

## Jules limitations

- Google is shutting Jules down: read-only after 11 November 2026 and closed on 31 December 2026.
- Documentation describes GitHub only; no stated support for GitLab or Bitbucket.
- Paid plans worked only with individual @gmail.com accounts.
- The REST API is alpha and may change.

## OpenAI Codex strengths

- Included with ChatGPT plans, with a free tier and an $8 Go tier
- Open-source CLI under the Apache-2.0 license
- Available in the terminal, VS Code-based editors, the ChatGPT desktop app and the cloud
- Supports MCP, skills, plugins and subagents
- API-key option lets teams pay at API rates instead of a subscription

## OpenAI Codex limitations

- Plus has message limits per five hours that vary widely by model
- Cloud features are not available on the API Key plan
- Higher usage needs Pro, which starts at $100 per month
- Free and Go plans offer only GPT-6 Luna in the desktop app

## FAQ

**Is Jules better than OpenAI Codex?**

It depends on your workflow. Jules is built for finishing or exporting existing work before the shutdown, previously, delegating well-scoped GitHub tasks such as bug fixes, dependency bumps and test writing. OpenAI Codex is built for delegating coding tasks to an agent.

**What are the key feature differences between Jules and OpenAI Codex?**

Jules: Google's coding agent that fixes bugs and opens pull requests, closing 31 December 2026. OpenAI Codex: OpenAI's coding agent that writes, reviews and runs code from terminal, IDE, desktop or cloud.

**Does Jules or OpenAI Codex have a free plan?**

Yes, both do. Jules is freemium and OpenAI Codex is freemium, and each has a free plan or trial.

**Which is cheaper, Jules or OpenAI Codex?**

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.
