# Claude Code vs OpenAI Codex

> Claude Code: Anthropic's coding agent that edits code and runs commands from terminal, IDE or browser
> OpenAI Codex: OpenAI's coding agent that writes, reviews and runs code from terminal, IDE, desktop or cloud

- Claude Code profile: https://finderatlas.com/tools/claude-code
- OpenAI Codex profile: https://finderatlas.com/tools/openai-codex
- Comparison page: https://finderatlas.com/compare/claude-code-vs-openai-codex
- Last reviewed: October 2026

## Verdict

Claude Code and OpenAI Codex are both Coding AI tools. Only OpenAI Codex has a free plan or trial. Only Claude Code is available on Slack App.

### Choose Claude Code if

- You want a tool built for Multi-file refactors and migrations.
- Works across terminal, VS Code, JetBrains, desktop app, web and Slack with shared settings.
- Runs commands and tests and handles git commits and pull requests.

### 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

| | Claude Code | OpenAI Codex |
| --- | --- | --- |
| Pricing model | Paid | Freemium |
| Free plan or trial | No | Yes |
| Starting price | $20 | $0 |

## Features

| Feature | Claude Code | OpenAI Codex |
| --- | --- | --- |
| Codebase understanding | Yes | Not listed |
| Multi-file editing | Yes | Not listed |
| Command execution | Yes | Not listed |
| Git and pull requests | Yes | Not listed |
| Subagents and parallel sessions | Yes | Not listed |
| MCP connections | Yes | Not listed |
| CLAUDE.md, skills and hooks | Yes | Not listed |
| Scheduled and cloud tasks | Yes | Not listed |
| Auto mode | Yes | Not listed |
| Agent SDK | 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 | Claude Code | OpenAI Codex |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| iOS | No | No |
| Android | No | No |
| API | Yes | Yes |
| Browser Extension | No | No |
| CLI | Yes | Yes |
| Linux | Yes | Yes |
| VS Code Extension | Yes | Yes |
| JetBrains Plugin | Yes | Yes |
| Slack App | Yes | No |

## Claude Code strengths

- Works across terminal, VS Code, JetBrains, desktop app, web and Slack with shared settings
- Runs commands and tests and handles git commits and pull requests
- Included with Pro at $20 per month, with no separate purchase
- Extensible through MCP, skills, hooks, subagents and an Agent SDK
- Composable in scripts and CI through a non-interactive mode

## Claude Code limitations

- Not available on the Free plan; paid access starts at $20 per month
- Usage limits are shared with chat, and heavy users may need Max at $100 to $200 per month or per-token API billing
- JetBrains plugin requires the CLI to be installed separately
- Terminal-first workflow suits users comfortable with the command line

## 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 Claude Code better than OpenAI Codex?**

It depends on your workflow. Claude Code is built for Multi-file refactors and migrations. OpenAI Codex is built for delegating coding tasks to an agent.

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

Claude Code: Anthropic's coding agent that edits code and runs commands from terminal, IDE or browser. OpenAI Codex: OpenAI's coding agent that writes, reviews and runs code from terminal, IDE, desktop or cloud. Claude Code is rated 5.0/5 from 1 user review.

**Does Claude Code or OpenAI Codex have a free plan?**

OpenAI Codex has a free plan or trial; Claude Code is paid only.

**Which is cheaper, Claude Code or OpenAI Codex?**

Claude Code starts at $20 and OpenAI Codex starts at $0. See the pricing table above for what each tier includes.