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Head-to-head · AI Coding Assistants

Devin vs OpenAI Codex

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Devin #3 in AI Coding Assistants 9.1/10 Free plan Free plan✓ 5 of 5 features Visit Devin
OpenAI Codex #5 in AI Coding Assistants 8.9/10 Paid ✓ 4 of 5 features Visit OpenAI Codex

Devin leads on 1 check, OpenAI Codex on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDevin · 9.1/10
  • Free planonly Devin
  • Most featuresDevin · 5 of 5

Devin scores higher on our rubric for ai coding assistants: 9.1 against 8.9 out of 10; our editors rank them #3 and #5.

Devin offers free plan; OpenAI Codex doesn't.

Devin is the better fit for autonomous software engineering workflows. OpenAI Codex is the better fit for teams delegating complete engineering tasks.

  • Devin fits best

    Autonomous software engineering workflows

  • OpenAI Codex fits best

    Teams delegating complete engineering tasks

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Side by side

Feature Devin 9.1/10 Visit ↗ OpenAI Codex 8.9/10 Visit ↗
At a glance
Editor score 9.1 8.9
Ranking #3 in AI Coding Assistants #5 in AI Coding Assistants
Best for Autonomous software engineering workflows Teams delegating complete engineering tasks
Pricing model Free plan + paid Paid
Starting price $20/mo —
Free plan ✓ (best) —
Free trial — —
Deployment Cloud, Desktop Cloud, Desktop
Platforms Web, Windows, macOS, Linux Web, Windows, macOS, Linux
Support Email, Docs Docs · 24/7
Compliance SOC 2, ISO 27001 SOC 2, SSO/SAML, 2FA
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Devin 5/5 · OpenAI Codex 4/5
Code completion ✓ (best) Not checked yet
Chat assistance ✓ ✓
Coding agent ✓ ✓
Codebase indexing ✓ ✓
Terminal access ✓ ✓
Specs
Supported IDEs Devin Desktop IDE; Zed; JetBrains; Xcode Visual Studio Code; Cursor; Windsurf; Visual Studio Code Insiders; Xcode; JetBrains IDEs
Our review
Pros
  • Handles multi-step coding, testing, migrations, and refactoring
  • Indexes repositories for code search and codebase understanding
  • Connects with GitHub, Jira, Slack, Teams, and other tools
  • Handles features, refactors, migrations, reviews, and code changes
  • Supports terminal use, cloud delegation, and parallel worktrees
  • Works with VS Code, Cursor, Windsurf, Xcode, and JetBrains IDEs
Cons
  • Free plan includes limited Devin usage
  • Higher tiers add substantial monthly costs
  • Teams pricing includes shared credits and seat requirements
  • No free plan
  • Paid access is offered through ChatGPT plans and related surfaces
  • IDE coverage is centered on the listed integrations
Our verdict

Devin is an autonomous AI software engineer for individuals and engineering teams. It can plan and execute coding tasks, write and test code, investigate bugs, perform migrations and refactors, review pull requests, and work with…

Read the review →

OpenAI Codex is an AI coding agent for software developers and engineering teams. It works through ChatGPT, supported IDEs, and the terminal, helping with complete engineering tasks such as building features, refactoring code, migrating…

Read the review →
  1. DevinAI Coding Assistants 9.1Free plan
  2. OpenAI CodexAI Coding Assistants 8.9Paid

Strengths and trade-offs

  • Devin — where it wins

    • Handles multi-step coding, testing, migrations, and refactoring
    • Indexes repositories for code search and codebase understanding
    • Connects with GitHub, Jira, Slack, Teams, and other tools

    Where it doesn't

    • Free plan includes limited Devin usage
    • Higher tiers add substantial monthly costs
    • Teams pricing includes shared credits and seat requirements
  • OpenAI Codex — where it wins

    • Handles features, refactors, migrations, reviews, and code changes
    • Supports terminal use, cloud delegation, and parallel worktrees
    • Works with VS Code, Cursor, Windsurf, Xcode, and JetBrains IDEs

    Where it doesn't

    • No free plan
    • Paid access is offered through ChatGPT plans and related surfaces
    • IDE coverage is centered on the listed integrations

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update