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 September 18, 2026.
Verdict: Antigravity vs Kiro
Antigravity CLI is the stronger choice for most developers right now, thanks to a broader tracked feature set and a notably faster release cadence. Antigravity CLI supports 16 of 18 tracked features compared to Kiro CLI's 12, and the gap is meaningful in practice: Antigravity CLI adds Multi-file Editing, Diff View, Vim/Neovim integration, and a Web UI — capabilities that touch core daily workflows around reviewing changes, editing across a codebase, and fitting into a developer's preferred editing environment. Kiro CLI, by contrast, holds no exclusive tracked features over Antigravity CLI, which limits the scenarios where it would be the obvious pick on functionality alone. The release cadence difference is also striking: Antigravity CLI logged 36 releases in the last 90 days versus Kiro CLI's 23 over the same window, suggesting a more actively iterated product at this stage. That said, raw velocity isn't everything — Kiro CLI's more measured pace may appeal to teams who prioritize stability over bleeding-edge features and want fewer breaking changes to absorb. Kiro CLI also has a larger total release history (50 vs. 37), hinting at a longer track record that some organizations weigh heavily. For individual developers or teams who rely on terminal-native workflows, multi-file operations, and tight editor integration, Antigravity CLI is the clearer fit; for teams that value stability and have simpler feature requirements, Kiro CLI remains a credible option.
Choose Antigravity CLI if: Choose Antigravity CLI if you need Multi-file Editing, Diff View, or Vim/Neovim integration in your daily workflow and want a tool that is being iterated on at a rapid pace.
Choose Kiro CLI if: Choose Kiro CLI if your feature requirements are modest and you prefer a tool with a longer cumulative release history and a steadier, more conservative update cadence.
Key differences
- Antigravity CLI supports 16/18 tracked features vs. Kiro CLI's 12/18, with Antigravity CLI holding all the exclusive feature advantages
- Antigravity CLI ships roughly 36 releases per 90-day window; Kiro CLI ships around 23, indicating a faster iteration cycle for Antigravity CLI
- Antigravity CLI adds Multi-file Editing and Diff View, making it better suited for complex, multi-context coding sessions
- Kiro CLI has a larger total release history (50 vs. 37), suggesting a longer-established project with potentially more accumulated stability
- Antigravity CLI includes a Web UI and Vim/Neovim support, broadening the range of environments and workflows it can integrate with
At a glance
| Tool | Latest version | Release date | Releases tracked |
|---|---|---|---|
| Antigravity CLI | v1.2.6 | September 18, 2026 | 49 |
| Kiro CLI | v2.22.0 | September 16, 2026 | 53 |
Core Editing
Multi-file editing, streaming, undo capabilities
| Feature | Antigravity | Kiro |
|---|---|---|
| Multi-file Editing — Edit multiple files in a single operation | — | — |
| Streaming Output — Real-time streaming of AI responses | ✓ since 1.2.1 | ✓ since 2.22.0 |
| Undo/Redo — Ability to undo and redo changes | ✓ since 1.2.6 | ✓ since 2.20.0 |
| Diff View — Visual comparison of changes | ✓ since 1.2.6 | ✓ (v2.18.0 mentions a review screen for spec runs to read documents and stage comments, implying diff/review view) |
Terminal Integration
Shell and command execution support
| Feature | Antigravity | Kiro |
|---|---|---|
| Command Execution — Run shell commands | ✓ since 1.2.6 | ✓ since 2.21.0 |
| Shell Integration — Integration with user shell environment | ✓ (v1.2.6 Remote Control feature allows controlling terminal remotely; persistent background service in v1.2.0 implies shel) | ✓ (v2.20.0 mentions a toggle to preserve terminal history when screen resizes, indicating shell/terminal integration) |
| Background Tasks — Run tasks in background | ✓ since 1.2.6 | ✓ (v2.17.0 mentions running sessions in the cloud and picking up from any device, implying background/async task execution) |
MCP Support
Model Context Protocol server and client capabilities
| Feature | Antigravity | Kiro |
|---|---|---|
| MCP Client — Connect to MCP servers | ✓ since 1.2.4 | ✓ since 2.12.0 |
| MCP Server — Expose as MCP server | ✓ since 1.2.3 | ✓ since 2.11.0 |
| Custom Tools — Define and use custom tools | ✓ since 1.2.4 | — |
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 1.1.27 | — |
| Web UI — Browser-based interface | ✓ since 1.2.4 | — |
Agentic Features
Planning, tool use, and autonomous capabilities
| Feature | Antigravity | Kiro |
|---|---|---|
| Planning Mode — Plan before executing changes | ✓ since 1.1.28 | ✓ since 2.15.0 |
| Autonomous Mode — Extended autonomous operation | ✓ since 1.2.6 | ✓ since 2.21.0 |
| Task Decomposition — Break complex tasks into steps | ✓ since 1.2.5 | ✓ since 2.20.0 |
| Context Management — Manage context across conversations | ✓ since 1.2.6 | ✓ 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 |
| Sandboxing / Permission Modes | June 3, 2026 | August 11, 2026 | Antigravity first, 69d ahead |
| Background Tasks | July 1, 2026 | August 11, 2026 | Antigravity first, 41d 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 |
| MCP Support | August 20, 2026 | December 18, 2025 | Kiro first, 245d 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 |
| Planning Mode | July 8, 2026 | December 18, 2025 | Kiro first, 202d 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 49 Antigravity releases and 53 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.