Antigravity CLI vs Kiro CLI — Feature Comparison
Quick answer: Antigravity CLI supports 15 of 18 tracked features; Kiro CLI supports 12 of 18. Matrix last updated August 28, 2026.
Verdict: Antigravity vs Kiro
For most developers, Antigravity CLI is the stronger choice today, but the right answer depends heavily on your workflow priorities. Antigravity CLI leads on tracked feature coverage — supporting 15 of 18 tracked capabilities versus Kiro CLI's 10 — and notably includes features like Undo/Redo, Diff View, Background Tasks, Vim/Neovim integration, and a Web UI that Kiro CLI does not cover. These additions matter concretely: Undo/Redo and Diff View reduce the cost of AI-generated mistakes, Background Tasks enable asynchronous workflows, and Vim/Neovim support is non-negotiable for a significant segment of terminal-focused developers. Antigravity CLI has also shipped 23 releases in roughly 90 days, suggesting a rapid and active development cadence. Kiro CLI, while fewer tracked features, has an overall larger release history (46 total) and a slightly higher recent cadence (27 releases in the same window), which signals its own sustained momentum and maturity. The trade-off is real: Kiro CLI's longer track record may mean more stability and a more battle-tested codebase, which could matter in team or production-adjacent environments. However, on raw capability breadth as captured by the tracked feature matrix, Antigravity CLI holds a clear advantage. Developers who want the widest feature surface — especially those invested in Vim-based or terminal-heavy workflows — will find Antigravity CLI the more complete tool right now.
Choose Antigravity CLI if: Choose Antigravity CLI if you want the broadest feature coverage, especially Vim/Neovim integration, Diff View, Undo/Redo, or Background Tasks, and you value a fast-moving release cadence that prioritizes new capabilities.
Choose Kiro CLI if: Choose Kiro CLI if you prioritize a tool with a longer, more established release history and are comfortable with a more focused, stable feature set over maximum breadth.
Key differences
- Feature coverage: Antigravity CLI supports 15/18 tracked features; Kiro CLI supports 10/18, with no features exclusive to Kiro
- Exclusive capabilities: Antigravity CLI adds Undo/Redo, Diff View, Background Tasks, Vim/Neovim, and Web UI — all absent from Kiro CLI
- Release history: Kiro CLI has nearly double the total tracked releases, suggesting greater overall maturity and longevity
- Recent cadence: Both tools are actively developed, but Antigravity CLI's 23 releases in 90 days versus Kiro's 27 shows comparable short-term momentum with slight edge to Kiro
- Workflow fit: Antigravity CLI skews toward power users and terminal/Vim workflows; Kiro CLI suits those seeking a stable, focused toolset
At a glance
| Tool | Latest version | Release date | Releases tracked |
|---|---|---|---|
| Antigravity CLI | v1.1.22 | August 27, 2026 | 36 |
| Kiro CLI | v2.20.0 | August 26, 2026 | 50 |
Core Editing
Multi-file editing, streaming, undo capabilities
| Feature | Antigravity | Kiro |
|---|---|---|
| Multi-file Editing — Edit multiple files in a single operation | ✓ (v1.1.22 mentions 'improving how the tool handles large batches of files', implying multi-file operations) | — |
| Streaming Output — Real-time streaming of AI responses | ✓ since 1.1.21 | ✓ since 2.20.0 |
| Undo/Redo — Ability to undo and redo changes | ✓ since 1.1.16 | ✓ since 2.20.0 |
| Diff View — Visual comparison of changes | ✓ since 1.1.21 | — |
Terminal Integration
Shell and command execution support
| Feature | Antigravity | Kiro |
|---|---|---|
| Command Execution — Run shell commands | ✓ since 1.1.21 | ✓ since 2.20.0 |
| Shell Integration — Integration with user shell environment | ✓ (v1.1.22 mentions smart autocomplete and v1.1.19 mentions environment variables for rendering; general CLI shell integrat) | ✓ (v2.20.0 mentions terminal history preservation when screen resizes, indicating shell/terminal integration) |
| Background Tasks — Run tasks in background | ✓ since 1.1.20 | ✓ (v2.17.0 mentions running sessions in the cloud, implying background/remote execution capability) |
MCP Support
Model Context Protocol server and client capabilities
| Feature | Antigravity | Kiro |
|---|---|---|
| MCP Client — Connect to MCP servers | ✓ since 1.1.21 | ✓ since 2.12.0 |
| MCP Server — Expose as MCP server | ✓ since 1.1.21 | ✓ since 2.11.0 |
| Custom Tools — Define and use custom tools | — | ✓ (v2.13.0 mentions global hooks that work across all workspaces; v2.14.0 mentions upgrading custom agents to universal for) |
IDE Integrations
VS Code, JetBrains, and other editor support
| Feature | Antigravity | Kiro |
|---|---|---|
| VS Code — Visual Studio Code integration | — | — |
| JetBrains — IntelliJ/WebStorm integration | — | — |
| Vim/Neovim — Vim or Neovim integration | ✓ since 1.1.17 | — |
| Web UI — Browser-based interface | ✓ since 1.1.22 | — |
Agentic Features
Planning, tool use, and autonomous capabilities
| Feature | Antigravity | Kiro |
|---|---|---|
| Planning Mode — Plan before executing changes | ✓ since 1.1.16 | ✓ since 2.15.0 |
| Autonomous Mode — Extended autonomous operation | ✓ since 1.1.22 | ✓ since 2.19.0 |
| Task Decomposition — Break complex tasks into steps | ✓ since 1.1.22 | ✓ since 2.20.0 |
| Context Management — Manage context across conversations | ✓ since 1.1.14 | ✓ since 2.18.0 |
Feature timeline: who shipped first
First release where Antigravity and Kiro each shipped a notable feature, and which tool led.
| Feature | Antigravity | Kiro | Who led |
|---|---|---|---|
| Custom Slash Commands | July 16, 2026 | June 12, 2026 | Kiro first, 33d ahead |
| Subagents / Parallel Agents | July 24, 2026 | December 18, 2025 | Kiro first, 218d ahead |
| MCP Support | August 20, 2026 | December 18, 2025 | Kiro first, 245d ahead |
| Sandboxing / Permission Modes | June 3, 2026 | August 11, 2026 | Antigravity first, 69d ahead |
| Planning Mode | July 8, 2026 | December 18, 2025 | Kiro first, 202d ahead |
| Hooks | — | July 17, 2026 | only Kiro |
| Skills / Plugins | June 17, 2026 | — | only Antigravity |
| Project Memory Files | July 24, 2026 | August 12, 2026 | Antigravity first, 20d ahead |
| Extended Thinking | July 21, 2026 | June 5, 2026 | Kiro first, 46d ahead |
| Voice Input | August 26, 2026 | August 12, 2026 | Kiro first, 13d ahead |
| Background Tasks | July 1, 2026 | August 11, 2026 | Antigravity first, 41d ahead |
| Image / Vision Input | June 30, 2026 | — | only Antigravity |
| Headless / Non-interactive Mode | July 28, 2026 | — | only Antigravity |
| Checkpoints / Rewind | — | June 12, 2026 | only Kiro |
Release velocity
Havoptic tracks 36 Antigravity releases and 50 Kiro releases. See release frequency charts for side-by-side velocity analysis, or browse the Antigravity CLI changelog and Kiro 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.