Claude Code vs OpenAI Codex CLI — Feature Comparison
Quick answer: Claude Code supports 18 of 18 tracked features; OpenAI Codex CLI supports 16 of 18. Matrix last updated October 10, 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 October 16, 2026, refreshed daily.
Verdict: Claude Code vs Codex CLI
Claude Code is the stronger choice for most developers, though OpenAI Codex CLI remains a compelling option for teams already embedded in the OpenAI ecosystem. Claude Code leads on every tracked dimension: it covers all 18 tracked features versus 16 for Codex CLI, has accumulated more than twice as many total releases, and maintains a notably higher release cadence over the recent period — roughly double the update frequency. The two features where Claude Code pulls ahead are meaningfully practical: native multi-file editing support enables more complex, cross-cutting refactors without manual orchestration, and JetBrains IDE integration opens the tool to a large segment of professional developers who live in IntelliJ-family IDEs. Codex CLI, by contrast, is tightly focused as a terminal-native tool — that focus can be an advantage for developers who want a lightweight, composable CLI that fits neatly into shell scripts and CI pipelines without pulling in IDE dependencies. Both tools are actively maintained and have reached considerable maturity, so neither is a risky bet. The decision ultimately hinges on workflow: Claude Code suits developers who want broad editor coverage and the ability to make coordinated changes across multiple files in a single pass, while Codex CLI suits those who prefer a fast, minimal tool anchored to the command line.
Choose Claude Code if: Choose Claude Code if you work across multiple IDEs — including JetBrains products — or frequently need to make coordinated edits spanning several files in a single operation.
Choose OpenAI Codex CLI if: Choose OpenAI Codex CLI if you prefer a lean, terminal-first workflow and are already invested in the OpenAI platform, prioritizing composability in scripts and pipelines over broad editor integration.
Key differences
- Claude Code supports all 18 tracked features; Codex CLI supports 16, missing multi-file editing and JetBrains integration
- Claude Code ships at roughly double the release cadence of Codex CLI, suggesting faster iteration on new capabilities and bug fixes
- Codex CLI is purpose-built as a terminal-native CLI, making it lighter and more composable in shell and CI environments
- Claude Code offers broader IDE reach including JetBrains, while Codex CLI is focused on command-line usage
- Both tools are mature and actively maintained, but Claude Code has accumulated more than twice as many total tracked releases
At a glance
| Tool | Latest version | Release date | Releases tracked |
|---|---|---|---|
| Claude Code | v2.1.296 | October 9, 2026 | 412 |
| OpenAI Codex CLI | rust-v0.162.1 | October 9, 2026 | 175 |
Claude Code vs Codex CLI: key feature differences
Claude Code supports 18 of 18 tracked features; OpenAI Codex CLI supports 16 of 18. Both support 16 features.
What Claude Code has that Codex CLI doesn't
- Multi-file Editing
- 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: 72 releases in the last 90 days versus 36 for Codex CLI. Counts are as of October 16, 2026.
| Metric | Claude Code | Codex CLI |
|---|---|---|
| Releases in the last 30 days | 22 | 16 |
| Releases in the last 90 days | 72 | 36 |
| Median gap between recent releases | 1 day | 1 day |
| Releases tracked | 412 | 175 |
| First tracked release | March 4, 2025 | June 30, 2025 |
What's new in Claude Code and Codex CLI
Latest Claude Code releases
- Claude Code v2.1.296 (October 9, 2026) — Claude Code 2.1.296 now syncs code settings across Claude Desktop and the gateway for more consistent behavior, while new controls let you manage window compaction and model selection for subagents…
- Claude Code v2.1.295 (October 8, 2026) — Claude Code 2.1.295 gives you better control with hooks that can now block actions when they fail, and improves visibility with terminal status updates showing exactly what Claude Code is doing.…
- Claude Code v2.1.294 (October 8, 2026) — Claude Code 2.1.294 strengthens your safety controls by fixing how instruction-based hooks are interpreted, so blocking rules actually work as intended. We've also improved when Claude decides to…
Latest OpenAI Codex CLI releases
- OpenAI Codex CLI rust-v0.162.1 (October 9, 2026) — OpenAI Codex CLI rust-v0.162.1 fixes a critical crash when handling multi-line questions and resolves startup issues caused by feature setting mismatches. These updates make the tool more reliable…
- OpenAI Codex CLI rust-v0.162.0 (October 8, 2026) — The OpenAI Codex CLI rust-v0.162.0 release makes URLs clickable throughout the interface and adds powerful new ways to organize your work, including pinnable tasks and Git worktree management for…
- OpenAI Codex CLI rust-v0.161.0 (October 7, 2026) — OpenAI Codex CLI rust-v0.161.0 now defaults to the faster GPT-6.1 Sol model and lets you customize your microphone and speaker settings for voice conversations. You can also log into MCP servers…
Core Editing
Multi-file editing, streaming, undo capabilities
| Feature | Claude Code | Codex CLI |
|---|---|---|
| Multi-file Editing — Edit multiple files in a single operation | ✓ (Implied by core coding agent functionality; context compression and work preservation fixes in v2.1.293 suggest multi-fi) | — |
| Streaming Output — Real-time streaming of AI responses | ✓ since 2.1.295 | ✓ since rust-v0.162.0 |
| Undo/Redo — Ability to undo and redo changes | ✓ since 2.1.293 | ✓ since rust-v0.162.0 |
| Diff View — Visual comparison of changes | ✓ since 2.1.285 | ✓ since rust-v0.162.1 |
Terminal Integration
Shell and command execution support
| Feature | Claude Code | Codex CLI |
|---|---|---|
| Command Execution — Run shell commands | ✓ since 2.1.295 | ✓ since rust-v0.162.1 |
| Shell Integration — Integration with user shell environment | ✓ (v2.1.289 mentions terminal performance improvements; v2.1.295 references terminal status updates and workflow integratio) | ✓ since rust-v0.159.0 |
| Background Tasks — Run tasks in background | ✓ since 2.1.295 | ✓ since rust-v0.162.1 |
MCP Support
Model Context Protocol server and client capabilities
| Feature | Claude Code | Codex CLI |
|---|---|---|
| MCP Client — Connect to MCP servers | ✓ since 2.1.293 | ✓ since rust-v0.162.0 |
| MCP Server — Expose as MCP server | ✓ since 2.1.288 | ✓ since rust-v0.162.0 |
| Custom Tools — Define and use custom tools | ✓ since 2.1.260 | ✓ since rust-v0.162.0 |
IDE Integrations
VS Code, JetBrains, and other editor support
| Feature | Claude Code | Codex CLI |
|---|---|---|
| VS Code — Visual Studio Code integration | ✓ since 2.1.277 | ✓ since rust-v0.136.0 |
| JetBrains — IntelliJ/WebStorm integration | ✓ since 2.1.239 | — |
| Vim/Neovim — Vim or Neovim integration | ✓ since 2.1.293 | ✓ since rust-v0.162.0 |
| Web UI — Browser-based interface | ✓ since 2.1.293 | ✓ since rust-v0.162.0 |
Agentic Features
Planning, tool use, and autonomous capabilities
| Feature | Claude Code | Codex CLI |
|---|---|---|
| Planning Mode — Plan before executing changes | ✓ since 2.1.292 | ✓ since rust-v0.160.0 |
| Autonomous Mode — Extended autonomous operation | ✓ since 2.1.296 | ✓ since rust-v0.162.0 |
| Task Decomposition — Break complex tasks into steps | ✓ since 2.1.293 | ✓ since rust-v0.162.1 |
| Context Management — Manage context across conversations | ✓ since 2.1.293 | ✓ since rust-v0.162.0 |
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 |
|---|---|---|---|
| Custom Slash Commands | March 5, 2025 | August 20, 2025 | Claude Code first, 168d ahead |
| Subagents / Parallel Agents | April 18, 2025 | January 25, 2026 | Claude Code first, 282d ahead |
| Sandboxing / Permission Modes | April 9, 2025 | August 7, 2025 | Claude Code first, 120d ahead |
| Background Tasks | August 7, 2025 | September 9, 2026 | Claude Code first, 398d ahead |
| Hooks | June 30, 2025 | May 8, 2026 | Claude Code first, 312d ahead |
| Skills / Plugins | October 9, 2025 | December 10, 2025 | Claude Code first, 62d ahead |
| Project Memory Files | March 25, 2025 | February 12, 2026 | Claude Code first, 324d ahead |
| MCP Support | — | July 23, 2025 | only Codex CLI |
| Extended Thinking | March 15, 2025 | July 9, 2025 | Claude Code first, 116d ahead |
| Voice Input | March 6, 2026 | February 25, 2026 | Codex CLI first, 9d ahead |
| Planning Mode | January 15, 2026 | January 25, 2026 | Claude Code first, 10d ahead |
| Image / Vision Input | April 2, 2025 | December 2, 2025 | Claude Code first, 245d ahead |
| Headless / Non-interactive Mode | April 9, 2025 | July 19, 2025 | Claude Code first, 101d ahead |
| Web Search / Fetch | March 21, 2025 | June 9, 2026 | Claude Code first, 445d ahead |
| Git / PR Integration | January 27, 2026 | May 7, 2026 | Claude Code first, 101d ahead |
| Checkpoints / Rewind | June 24, 2026 | December 15, 2025 | Codex CLI first, 191d ahead |
| Todo / Task List | April 30, 2025 | May 21, 2026 | Claude Code first, 386d ahead |
| VS Code Extension | September 29, 2025 | — | only Claude Code |
| Subscription Login (Pro/Max) | May 1, 2025 | — | only Claude Code |
Frequently asked questions
Which is better, Claude Code or OpenAI Codex CLI?
Claude Code is the stronger choice for most developers, though OpenAI Codex CLI remains a compelling option for teams already embedded in the OpenAI ecosystem. Claude Code leads on every tracked dimension: it covers all 18 tracked features versus 16 for Codex CLI, has accumulated more than twice as many total releases, and maintains a notably higher release cadence over the recent period — roughly double the update frequency. The two features where Claude Code pulls ahead are meaningfully practical: native multi-file editing support enables more complex, cross-cutting refactors without manual orchestration, and JetBrains IDE integration opens the tool to a large segment of professional developers who live in IntelliJ-family IDEs. Codex CLI, by contrast, is tightly focused as a terminal-native tool — that focus can be an advantage for developers who want a lightweight, composable CLI that fits neatly into shell scripts and CI pipelines without pulling in IDE dependencies. Both tools are actively maintained and have reached considerable maturity, so neither is a risky bet. The decision ultimately hinges on workflow: Claude Code suits developers who want broad editor coverage and the ability to make coordinated changes across multiple files in a single pass, while Codex CLI suits those who prefer a fast, minimal tool anchored to the command line.
What is the difference between Claude Code and Codex CLI?
Claude Code supports 18 of 18 tracked features; OpenAI Codex CLI supports 16 of 18. Only Claude Code: Multi-file Editing and JetBrains. Both support 16 tracked features.
Which gets updated more often, Claude Code or Codex CLI?
Claude Code ships more often. In the 90 days to October 16, 2026, Havoptic tracked 72 Claude Code releases and 36 Codex CLI releases (412 and 175 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 day.
What are the latest versions of Claude Code and Codex CLI?
The latest Claude Code release is v2.1.296, released October 9, 2026. The latest OpenAI Codex CLI release is rust-v0.162.1, released October 9, 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 412 Claude Code releases and 175 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
More Claude Code comparisons
- Claude Code vs Cursor
- Claude Code vs Gemini CLI
- Claude Code vs Kiro CLI
- Claude Code vs GitHub Copilot CLI
- Claude Code vs Devin Desktop
- 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.