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Jules vs OpenAI Codex

Features, pricing, ratings, and pros and cons, side by side.

Jules logo

Jules

Google's coding agent that fixes bugs and opens pull requests, closing 31 December 2026

Freemium
Visit websiteView details
OpenAI Codex logo

OpenAI Codex

OpenAI's coding agent that writes, reviews and runs code from terminal, IDE, desktop or cloud

Freemium
Visit websiteView details

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.

Best overall

OpenAI Codex

  • Software developers
  • Engineering teams
  • Enterprise engineering organizations
  • Open-source maintainers

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.
Best for beginners
Jules
Best for business
OpenAI Codex

Features

20 features compared.

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

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Jules
    Freemium
    OpenAI Codex
    Freemium
  • Free plan
    Jules
    Yes
    OpenAI Codex
    Yes
  • Starting price
    Jules
    $0
    OpenAI Codex
    $0
  • Plans
    Jules
    3 plans
    OpenAI Codex
    7 plans

Jules plans

  • Jules

    $0

    Base plan with daily task limits; ends when Jules closes on 31 December 2026

    • 15 tasks per day
    • 3 concurrent tasks
    • Gemini 2.5 Pro access

  • Jules in Pro

    $19.99/month

    Jules usage included with the Google AI Pro subscription; ends when Jules closes on 31 December 2026

    • 100 tasks per day
    • 15 concurrent tasks
    • higher access to the latest Gemini model

  • Jules in Ultra

    $99.99/month

    Jules usage included with the Google AI Ultra subscription; ends when Jules closes on 31 December 2026

    • 300 tasks per day
    • 60 concurrent tasks
    • priority access to the latest Gemini model

OpenAI Codex plans

  • Free

    $0

    Quick coding tasks

    • GPT-6 Luna in the desktop app
    • Subject to rollout

  • Go

    $8/month

    Lightweight coding tasks

    • GPT-6 Luna in the desktop app

  • Plus

    Most popular

    $20/month

    Focused coding sessions

    • Web
    • CLI
    • IDE and iOS access
    • Automatic code review and Slack
    • GPT-6.1 Sol and GPT-6 Luna
    • Can add credits

  • Pro

    $100/month

    Plans at $100, $200 or $500 per month

    • Everything in Plus
    • No five-hour limit currently
    • Ultrafast mode on the $500 plan

  • Business

    $25/user/mo

    2 or more users; $20 per user per month when billed annually

    • Desktop and mobile apps
    • Larger cloud VMs
    • Add-on credits
    • SAML SSO and MFA
    • No training on business data by default

  • Enterprise & Edu

    Custom/user/mo

    Contact sales

    • Priority request processing
    • SCIM
    • EKM and RBAC
    • User analytics
    • Compliance API audit logs
    • Retention and residency controls

  • API Key

    Pay-as-you-go/usage

    Billed at OpenAI API pricing

    • Codex in the CLI
    • SDK and IDE extension
    • No cloud features
    • Models depend on the API key

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed November 2026.

Jules
7.6overall
OpenAI Codex
8.5overall

Jules leads in 0 categories and OpenAI Codex in 2.

  • Ease of Use

    OpenAI Codex leads by 0.1
    Jules
    8.2
    OpenAI Codex
    8.3

  • Feature Depth

    Jules
    7.8
    OpenAI Codex
    Not rated

  • Value for Money

    OpenAI Codex leads by 1.5
    Jules
    6.5
    OpenAI Codex
    8.0

  • Performance & Speed

    Jules
    7.5
    OpenAI Codex
    Not rated

  • Documentation & Support

    Jules
    8.0
    OpenAI Codex
    Not rated

  • Code Generation

    Jules
    Not rated
    OpenAI Codex
    9.0

  • Agentic Autonomy

    Jules
    Not rated
    OpenAI Codex
    8.8

  • Ecosystem & Integrations

    Jules
    Not rated
    OpenAI Codex
    8.5

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Jules

Pros

  • 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.

Cons

  • 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

Pros

  • 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

Cons

  • 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

Platforms

  • Web
    Jules
    Supported
    OpenAI Codex
    Supported
  • Windows
    Jules
    Not supported
    OpenAI Codex
    Supported
  • macOS
    Jules
    Not supported
    OpenAI Codex
    Supported
  • iOS
    Jules
    Not supported
    OpenAI Codex
    Not supported
  • Android
    Jules
    Not supported
    OpenAI Codex
    Not supported
  • API
    Jules
    Supported
    OpenAI Codex
    Supported
  • Browser Extension
    Jules
    Not supported
    OpenAI Codex
    Not supported
  • CLI
    Jules
    Supported
    OpenAI Codex
    Supported
  • Linux
    Jules
    Not supported
    OpenAI Codex
    Supported
  • VS Code Extension
    Jules
    Not supported
    OpenAI Codex
    Supported
  • JetBrains Plugin
    Jules
    Not supported
    OpenAI Codex
    Supported

Integrations

Jules

7 integrations
  • GitHub
  • Linear
  • Stitch
  • Neon
  • Tinybird
  • Context7
  • Supabase

OpenAI Codex

8 integrations
  • GitHub
  • Slack
  • Visual Studio Code
  • Cursor
  • Windsurf
  • Xcode
  • JetBrains IDEs
  • MCP

Company

  • Company
    Jules
    Google
    OpenAI Codex
    Not listed
  • Founded
    Jules
    1998
    OpenAI Codex
    Not listed
  • Headquarters
    Jules
    Mountain View, California, USA
    OpenAI Codex
    Not listed
  • Monthly users
    Jules
    Not listed
    OpenAI Codex
    4M+ weekly users
  • Listing
    Jules
    Claimed
    OpenAI Codex
    Not claimed

Frequently asked questions

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.