Claude Code vs OpenAI Codex CLI — Feature Comparison
Quick answer: Claude Code supports 18 of 18 tracked features; OpenAI Codex CLI supports 17 of 18. Matrix last updated November 13, 2026.
Claude Code (by Anthropic) vs OpenAI Codex CLI (by OpenAI): a side-by-side comparison of tracked features, release cadence, and the latest releases of each tool. Data as of November 14, 2026, refreshed daily.
Verdict: Claude Code vs Codex CLI
Claude Code is the more capable and actively developed tool for most developers, but OpenAI Codex CLI remains a compelling choice for those already invested in the OpenAI ecosystem. Claude Code ships releases at more than twice the cadence of Codex CLI and covers all 18 tracked features, including JetBrains IDE integration that Codex CLI lacks — a meaningful advantage for teams whose workflows span IntelliJ, PyCharm, or other JetBrains environments. Codex CLI, built in Rust, covers 17 of the same 18 tracked features and maintains a steady release rhythm of its own, so it is not a weak alternative; it simply trails on breadth and pace. The feature gap between the two is narrow on paper, but Claude Code's higher release velocity suggests faster iteration on bugs, edge cases, and emerging language-model capabilities — which matters in a fast-moving space. Developers who live primarily in the terminal and prefer a lightweight, fast binary may find Codex CLI's Rust implementation appealing for performance and portability reasons. Conversely, teams that need broad IDE coverage — especially JetBrains alongside VS Code and other editors — will find Claude Code's integration story more complete out of the box. Neither tool should be dismissed; the right pick hinges on your IDE ecosystem and how much weight you place on release cadence and full feature coverage versus a leaner, OpenAI-native experience.
Choose Claude Code if: Choose Claude Code if your team uses JetBrains IDEs or you want the fastest-moving tool with full coverage across all tracked features and the broadest integration surface.
Choose OpenAI Codex CLI if: Choose OpenAI Codex CLI if you are already embedded in the OpenAI ecosystem, prefer a Rust-based CLI binary for terminal-first workflows, and can live without JetBrains support.
Key differences
- Release cadence: Claude Code ships roughly twice as many releases per 90-day window as Codex CLI, indicating faster iteration
- Feature coverage: Claude Code supports all 18 tracked features; Codex CLI covers 17, missing JetBrains IDE integration
- Implementation language: Codex CLI is built in Rust, offering potential performance and portability advantages for terminal-centric use
- Ecosystem alignment: Claude Code is model-agnostic in tooling philosophy; Codex CLI is natively tied to the OpenAI platform
- Track record: Claude Code has more than twice the total tracked releases, reflecting a longer and more prolific release history
At a glance
| Tool | Latest version | Release date | Releases tracked |
|---|---|---|---|
| Claude Code | v2.1.325 | November 13, 2026 | 435 |
| OpenAI Codex CLI | rust-v0.169.0 | November 13, 2026 | 184 |
Claude Code vs Codex CLI: key feature differences
Claude Code supports 18 of 18 tracked features; OpenAI Codex CLI supports 17 of 18. Both support 17 features.
What Claude Code has that Codex CLI doesn't
- JetBrains
What Codex CLI has that Claude Code doesn't
None in the tracked matrix.
Release cadence: Claude Code vs Codex CLI
Claude Code ships more often: 76 releases in the last 90 days versus 40 for Codex CLI. Counts are as of November 14, 2026.
| Metric | Claude Code | Codex CLI |
|---|---|---|
| Releases in the last 30 days | 21 | 9 |
| Releases in the last 90 days | 76 | 40 |
| Median gap between recent releases | 1 day | 1.2 days |
| Releases tracked | 435 | 184 |
| First tracked release | March 4, 2025 | June 30, 2025 |
What's new in Claude Code and Codex CLI
Latest Claude Code releases
- Claude Code v2.1.325 (November 13, 2026) — Claude Code 2.1.325 is here: a security fix for zstd decoding, smarter subagent model handling, compaction that finally works on third-party gateways, and a long list of auth and MCP fixes. Curious…
- Claude Code v2.1.323 (November 12, 2026) — Claude Code 2.1.323 is here with experimental Code Mode, where Claude writes JavaScript to call its tools. Plugins now honor version ranges, and validate catches TypeScript hook issues. Plus a long…
- Claude Code v2.1.322 (November 10, 2026) — Claude Code 2.1.322 brings fast mode to Vertex in global, us, and eu regions. If Vertex declines it, you automatically drop back to standard speed. Curious how much faster your sessions can run?
Latest OpenAI Codex CLI releases
- OpenAI Codex CLI rust-v0.169.0 (November 13, 2026) — Codex CLI rust-v0.169.0 is here: multiple side-chat tabs, searchable past tasks, collapsible turn details, and in-terminal provider setup. Want to see what else changed?
- OpenAI Codex CLI rust-v0.168.0 (November 13, 2026) — Codex CLI rust-v0.168.0 is here: pick a default model provider, split your chat with a side-conversation pane, attach audio recordings, and generate animated GIFs. Plus a batch of fixes. Ready to…
- OpenAI Codex CLI rust-v0.167.2 (November 11, 2026) — Codex CLI rust-v0.167.2 is here: tool updates now stream incrementally by default on Google Cloud Vertex AI. Want the old behavior back? One config flag does it. Curious what else changed under the…
Core Editing
Multi-file editing, streaming, undo capabilities
| Feature | Claude Code | Codex CLI |
|---|---|---|
| Multi-file Editing — Edit multiple files in a single operation | ✓ (v2.1.312 mentions 'safer large-file edits', implying file editing capabilities including multiple files) | ✓ (Codex CLI is a coding agent that edits files; multi-file editing is a core capability implied by the agent command cente) |
| Streaming Output — Real-time streaming of AI responses | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
| Undo/Redo — Ability to undo and redo changes | ✓ since 2.1.323 | ✓ since rust-v0.164.0 |
| Diff View — Visual comparison of changes | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
Terminal Integration
Shell and command execution support
| Feature | Claude Code | Codex CLI |
|---|---|---|
| Command Execution — Run shell commands | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
| Shell Integration — Integration with user shell environment | ✓ since 2.1.323 | ✓ since rust-v0.164.0 |
| Background Tasks — Run tasks in background | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
MCP Support
Model Context Protocol server and client capabilities
| Feature | Claude Code | Codex CLI |
|---|---|---|
| MCP Client — Connect to MCP servers | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
| MCP Server — Expose as MCP server | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
| Custom Tools — Define and use custom tools | ✓ since 2.1.321 | ✓ since rust-v0.169.0 |
IDE Integrations
VS Code, JetBrains, and other editor support
| Feature | Claude Code | Codex CLI |
|---|---|---|
| VS Code — Visual Studio Code integration | ✓ since 2.1.323 | ✓ since rust-v0.136.0 |
| JetBrains — IntelliJ/WebStorm integration | ✓ since 2.1.323 | — |
| Vim/Neovim — Vim or Neovim integration | ✓ since 2.1.314 | ✓ since rust-v0.166.0 |
| Web UI — Browser-based interface | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
Agentic Features
Planning, tool use, and autonomous capabilities
| Feature | Claude Code | Codex CLI |
|---|---|---|
| Planning Mode — Plan before executing changes | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
| Autonomous Mode — Extended autonomous operation | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
| Task Decomposition — Break complex tasks into steps | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
| Context Management — Manage context across conversations | ✓ since 2.1.323 | ✓ since rust-v0.169.0 |
Feature timeline: who shipped first
First release where Claude Code and Codex CLI each shipped a notable feature, and which tool led.
| Feature | Claude Code | Codex CLI | Who led |
|---|---|---|---|
| Skills / Plugins | October 9, 2025 | December 10, 2025 | Claude Code first, 62d ahead |
| Sandboxing / Permission Modes | April 9, 2025 | August 7, 2025 | Claude Code first, 120d ahead |
| Subagents / Parallel Agents | April 18, 2025 | January 25, 2026 | Claude Code first, 282d ahead |
| Background Tasks | August 7, 2025 | September 9, 2026 | Claude Code first, 398d ahead |
| Extended Thinking | March 15, 2025 | July 9, 2025 | Claude Code first, 116d ahead |
| Hooks | June 30, 2025 | May 8, 2026 | Claude Code first, 312d ahead |
| Image / Vision Input | April 2, 2025 | December 2, 2025 | Claude Code first, 245d ahead |
| MCP Support | — | July 23, 2025 | only Codex CLI |
| Voice Input | March 6, 2026 | February 25, 2026 | Codex CLI first, 9d ahead |
| Web Search / Fetch | March 21, 2025 | June 9, 2026 | Claude Code first, 445d ahead |
| Headless / Non-interactive Mode | April 9, 2025 | July 19, 2025 | Claude Code first, 101d ahead |
| Checkpoints / Rewind | June 24, 2026 | December 15, 2025 | Codex CLI first, 191d ahead |
| Custom Slash Commands | March 5, 2025 | August 20, 2025 | Claude Code first, 168d ahead |
| Project Memory Files | March 25, 2025 | February 12, 2026 | Claude Code first, 324d ahead |
| Git / PR Integration | January 27, 2026 | May 7, 2026 | Claude Code first, 101d ahead |
| Planning Mode | January 15, 2026 | January 25, 2026 | Claude Code first, 10d ahead |
| Subscription Login (Pro/Max) | May 1, 2025 | — | only Claude Code |
| Todo / Task List | April 30, 2025 | May 21, 2026 | Claude Code first, 386d ahead |
| VS Code Extension | September 29, 2025 | — | only Claude Code |
Frequently asked questions
Which is better, Claude Code or OpenAI Codex CLI?
Claude Code is the more capable and actively developed tool for most developers, but OpenAI Codex CLI remains a compelling choice for those already invested in the OpenAI ecosystem. Claude Code ships releases at more than twice the cadence of Codex CLI and covers all 18 tracked features, including JetBrains IDE integration that Codex CLI lacks — a meaningful advantage for teams whose workflows span IntelliJ, PyCharm, or other JetBrains environments. Codex CLI, built in Rust, covers 17 of the same 18 tracked features and maintains a steady release rhythm of its own, so it is not a weak alternative; it simply trails on breadth and pace. The feature gap between the two is narrow on paper, but Claude Code's higher release velocity suggests faster iteration on bugs, edge cases, and emerging language-model capabilities — which matters in a fast-moving space. Developers who live primarily in the terminal and prefer a lightweight, fast binary may find Codex CLI's Rust implementation appealing for performance and portability reasons. Conversely, teams that need broad IDE coverage — especially JetBrains alongside VS Code and other editors — will find Claude Code's integration story more complete out of the box. Neither tool should be dismissed; the right pick hinges on your IDE ecosystem and how much weight you place on release cadence and full feature coverage versus a leaner, OpenAI-native experience.
What is the difference between Claude Code and Codex CLI?
Claude Code supports 18 of 18 tracked features; OpenAI Codex CLI supports 17 of 18. Only Claude Code: JetBrains. Both support 17 tracked features.
Which gets updated more often, Claude Code or Codex CLI?
Claude Code ships more often. In the 90 days to November 14, 2026, Havoptic tracked 76 Claude Code releases and 40 Codex CLI releases (435 and 184 releases tracked in total). Claude Code's median gap between its last 21 releases is 1 day. Codex CLI's median gap between its last 21 releases is 1.2 days.
What are the latest versions of Claude Code and Codex CLI?
The latest Claude Code release is v2.1.325, released November 13, 2026. The latest OpenAI Codex CLI release is rust-v0.169.0, released November 13, 2026.
Do Claude Code and Codex CLI support MCP (Model Context Protocol)?
Claude Code supports MCP Client, MCP Server, and Custom Tools. OpenAI Codex CLI supports MCP Client, MCP Server, and Custom Tools.
Release velocity
Havoptic tracks 435 Claude Code releases and 184 Codex CLI releases. See release frequency charts for side-by-side velocity analysis, or browse the Claude Code changelog and OpenAI Codex CLI changelog.
Related comparisons
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- Claude Code vs Antigravity CLI
- Claude Code vs Grok Build
More OpenAI Codex CLI comparisons
- OpenAI Codex CLI vs Cursor
- OpenAI Codex CLI vs Gemini CLI
- OpenAI Codex CLI vs Kiro CLI
- OpenAI Codex CLI vs GitHub Copilot CLI
- OpenAI Codex CLI vs Devin Desktop
- OpenAI Codex CLI vs Antigravity CLI
- OpenAI Codex CLI vs Grok Build
Data source
Feature data is maintained in feature-matrix.json under a CC-BY-4.0 license. Release data comes from releases.json. Both are updated daily. See the methodology page for details on sourcing and human review.