Antigravity CLI vs Kiro CLI — Feature Comparison
Quick answer: Antigravity CLI supports 13 of 18 tracked features; Kiro CLI supports 11 of 18. Matrix last updated June 27, 2026.
Verdict: Antigravity vs Kiro
Antigravity CLI is the stronger choice for most developers, but Kiro CLI earns its place for teams that prioritize structured planning workflows. Antigravity CLI covers 12 of 18 tracked features compared to Kiro CLI's 8, and its advantage is not just quantitative — the specific capabilities it adds, including Streaming Output, Diff View, Background Tasks, Web UI, and Task Decomposition, represent meaningful quality-of-life improvements for day-to-day coding work. Streaming Output and Diff View alone make iterative code review and generation significantly more transparent, while Task Decomposition and Background Tasks suggest a tool built for handling complex, multi-step engineering work without blocking your terminal. Despite being newer and having fewer total tracked releases, Antigravity CLI has shipped 7 releases in 90 days, a cadence that signals active development momentum. Kiro CLI, by contrast, has a longer history with 33 total releases and a notably high recent cadence of 20 releases in 90 days, demonstrating mature, sustained investment — but its narrower feature set means it covers less ground out of the box. The one area where Kiro CLI clearly differentiates itself is Planning Mode, which could be decisive for teams that want to map out and review an agentic plan before any code is written. If structured pre-execution planning is central to your workflow, Kiro CLI's focused bet on that capability is a legitimate reason to choose it. For everyone else, Antigravity CLI's broader feature coverage and strong release velocity make it the more versatile and future-leaning option.
Choose Antigravity CLI if: Choose Antigravity CLI if you want a feature-rich tool with streaming output, visual diff support, and the ability to decompose and run complex tasks in the background — making it well-suited for developers handling large or multi-step engineering workflows.
Choose Kiro CLI if: Choose Kiro CLI if structured pre-execution planning is a core part of your team's process and you want a tool with a longer, proven release history and dedicated Planning Mode support before any agentic action is taken.
Key differences
- Antigravity CLI supports 12/18 tracked features vs. Kiro CLI's 8/18, with advantages in streaming, diffing, and task management
- Kiro CLI uniquely offers Planning Mode, enabling structured review of agent plans before execution
- Kiro CLI has a significantly longer release history (33 total vs. 7), signaling greater maturity
- Antigravity CLI is newer but matches Kiro CLI's recent release cadence, suggesting rapid growth
- Antigravity CLI includes a Web UI, broadening its accessibility beyond pure terminal workflows
At a glance
| Tool | Latest version | Release date | Releases tracked |
|---|---|---|---|
| Antigravity CLI | v1.0.14 | June 30, 2026 | 11 |
| Kiro CLI | v2.10.0 | June 26, 2026 | 35 |
Core Editing
Multi-file editing, streaming, undo capabilities
| Feature | Antigravity | Kiro |
|---|---|---|
| Multi-file Editing — Edit multiple files in a single operation | — | ✓ (Implied by agent-based operation and tool usage patterns described across releases) |
| Streaming Output — Real-time streaming of AI responses | ✓ since 1.0.11 | ✓ (Compact tool card previews and real-time agent interaction described in v2.9.0 suggest streaming output) |
| Undo/Redo — Ability to undo and redo changes | ✓ since 1.0.13 | — |
| Diff View — Visual comparison of changes | ✓ since 1.0.12 | — |
Terminal Integration
Shell and command execution support
| Feature | Antigravity | Kiro |
|---|---|---|
| Command Execution — Run shell commands | ✓ since 1.0.13 | ✓ since 2.9.0 |
| Shell Integration — Integration with user shell environment | ✓ (v1.0.6 added shell-style path auto-completion for /open and /add-dir commands) | ✓ (v2.6.0 mentions automatic window titles for terminals; v2.6.1 references Linux shared library dependencies, indicating n) |
| Background Tasks — Run tasks in background | ✓ since 1.0.11 | — |
MCP Support
Model Context Protocol server and client capabilities
| Feature | Antigravity | Kiro |
|---|---|---|
| MCP Client — Connect to MCP servers | ✓ since 1.0.7 | ✓ since 2.10.0 |
| MCP Server — Expose as MCP server | ✓ since 1.0.7 | ✓ since 2.4.1 |
| Custom Tools — Define and use custom tools | ✓ (v1.0.10 mentions 'builtin skill' and v1.0.9 mentions plugins installation with submodule support, suggesting custom tool) | ✓ (v2.10.0 mentions 'custom agent authors' with tighter control over context, and agent/MCP configs, implying custom tool d) |
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 | — | — |
| Web UI — Browser-based interface | ✓ since 1.0.13 | — |
Agentic Features
Planning, tool use, and autonomous capabilities
| Feature | Antigravity | Kiro |
|---|---|---|
| Planning Mode — Plan before executing changes | — | ✓ since 1.23.1 |
| Autonomous Mode — Extended autonomous operation | ✓ since 1.0.12 | ✓ since 2.7.0 |
| Task Decomposition — Break complex tasks into steps | ✓ since 1.0.13 | ✓ (v2.9.0 mentions 'sub-agent calls' with compact tool card previews, indicating task decomposition into sub-tasks) |
| Context Management — Manage context across conversations | ✓ since 1.0.10 | ✓ since 2.10.0 |
Release velocity
Havoptic tracks 11 Antigravity releases and 35 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.