Antigravity CLI vs OpenAI Codex CLI — Feature Comparison
Quick answer: Antigravity CLI supports 15 of 18 tracked features; OpenAI Codex CLI supports 16 of 18. Matrix last updated July 14, 2026.
Verdict: Antigravity vs Codex CLI
OpenAI Codex CLI is the stronger choice for most developers, but Antigravity CLI is a credible contender for teams that prioritize stability over breadth. OpenAI Codex CLI leads on tracked feature coverage (16/18 vs 14/18) and uniquely supports VS Code and Vim/Neovim integrations, making it a more versatile tool for developers who move across editors. Its release history is substantially deeper — 132 tracked releases versus 11 — signaling a longer-running, more battle-tested project with a proven cadence of iteration. In the recent window, OpenAI Codex CLI also shows a higher absolute release count, suggesting active, ongoing development. Antigravity CLI, however, is not without merit: its 11 releases have all landed within the same 90-day window, indicating a fast-moving, focused burst of development rather than a slow rollout — potentially appealing to early adopters who want to shape a younger tool's direction. It supports 14 of the 18 tracked features, covering a solid core set, and the two features it lacks (editor integrations) may be irrelevant for teams working entirely in the terminal or custom environments. The practical decision hinges on editor workflow: if VS Code or Vim/Neovim integration matters to you, OpenAI Codex CLI is the clear winner. If you work in a pure terminal context and value being an early stakeholder in a fast-iterating tool, Antigravity CLI is worth evaluating.
Choose Antigravity CLI if: Choose Antigravity CLI if you work entirely in the terminal or a custom environment and want to get in early on a rapidly iterating tool where your feedback can meaningfully influence its direction.
Choose OpenAI Codex CLI if: Choose OpenAI Codex CLI if you want a mature, feature-rich tool with proven release depth, especially if you rely on VS Code or Vim/Neovim editor integrations as part of your daily workflow.
Key differences
- Release maturity: OpenAI Codex CLI has 132 tracked releases vs Antigravity CLI's 11, reflecting a significantly more established project history
- Editor integrations: OpenAI Codex CLI supports VS Code and Vim/Neovim; Antigravity CLI does not track support for either
- Feature coverage: OpenAI Codex CLI leads 16/18 vs 14/18 on tracked features, with no features exclusive to Antigravity CLI
- Development burst vs. sustained cadence: Antigravity CLI's releases are all concentrated in a short window, while OpenAI Codex CLI shows consistent output over a longer period
At a glance
| Tool | Latest version | Release date | Releases tracked |
|---|---|---|---|
| Antigravity CLI | v1.1.2 | July 13, 2026 | 16 |
| OpenAI Codex CLI | rust-v0.144.4 | July 14, 2026 | 138 |
Core Editing
Multi-file editing, streaming, undo capabilities
| Feature | Antigravity | Codex CLI |
|---|---|---|
| Multi-file Editing — Edit multiple files in a single operation | — | — |
| Streaming Output — Real-time streaming of AI responses | ✓ since 1.1.0 | ✓ since rust-v0.142.0 |
| Undo/Redo — Ability to undo and redo changes | ✓ since 1.0.13 | ✓ since rust-v0.144.2 |
| Diff View — Visual comparison of changes | ✓ since 1.1.2 | ✓ since rust-v0.144.4 |
Terminal Integration
Shell and command execution support
| Feature | Antigravity | Codex CLI |
|---|---|---|
| Command Execution — Run shell commands | ✓ since 1.1.2 | ✓ since rust-v0.144.0 |
| Shell Integration — Integration with user shell environment | ✓ (v1.0.15 mentions 'editor support' and Windows compatibility; tmux session support mentioned in v1.0.14 indicates shell e) | ✓ since rust-v0.143.0 |
| Background Tasks — Run tasks in background | ✓ since 1.1.2 | ✓ since rust-v0.143.0 |
MCP Support
Model Context Protocol server and client capabilities
| Feature | Antigravity | Codex CLI |
|---|---|---|
| MCP Client — Connect to MCP servers | ✓ since 1.1.2 | ✓ since rust-v0.144.0 |
| MCP Server — Expose as MCP server | ✓ since 1.1.2 | ✓ since rust-v0.143.0 |
| Custom Tools — Define and use custom tools | ✓ (v1.0.10 mentions 'builtin skill' system; v1.0.13 references 'skill commands with slash prefix', indicating a custom skil) | ✓ since rust-v0.143.0 |
IDE Integrations
VS Code, JetBrains, and other editor support
| Feature | Antigravity | Codex CLI |
|---|---|---|
| VS Code — Visual Studio Code integration | — | ✓ since rust-v0.136.0 |
| JetBrains — IntelliJ/WebStorm integration | — | — |
| Vim/Neovim — Vim or Neovim integration | ✓ since 1.0.15 | ✓ since rust-v0.136.0 |
| Web UI — Browser-based interface | ✓ since 1.0.13 | ✓ since rust-v0.144.0 |
Agentic Features
Planning, tool use, and autonomous capabilities
| Feature | Antigravity | Codex CLI |
|---|---|---|
| Planning Mode — Plan before executing changes | ✓ since 1.1.0 | ✓ since rust-v0.142.0 |
| Autonomous Mode — Extended autonomous operation | ✓ since 1.1.2 | ✓ since rust-v0.144.2 |
| Task Decomposition — Break complex tasks into steps | ✓ since 1.1.0 | ✓ since rust-v0.143.0 |
| Context Management — Manage context across conversations | ✓ since 1.1.0 | ✓ since rust-v0.144.0 |
Release velocity
Havoptic tracks 16 Antigravity releases and 138 Codex CLI releases. See release frequency charts for side-by-side velocity analysis, or browse the Antigravity CLI changelog and OpenAI Codex CLI changelog.
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.