Grok Build vs Kiro CLI — Feature Comparison
Quick answer: Grok Build supports 18 of 18 tracked features; Kiro CLI supports 17 of 18. Matrix last updated November 13, 2026.
Grok Build (by SpaceXAI) vs Kiro CLI (by Amazon Web Services): a side-by-side comparison of tracked features, release cadence, and the latest releases of each tool. Data as of November 14, 2026, refreshed daily.
Verdict: Grok vs Kiro
Grok Build is the stronger choice for most developers, particularly those who prioritize release velocity, feature completeness, and Vim/Neovim support — but Kiro CLI remains a compelling, nearly feature-equivalent alternative depending on your workflow. Grok Build's development cadence is notably more aggressive, with more than twice the total tracked releases and a significantly higher release rate over the recent 90-day window, signaling faster iteration and a more reactive maintenance posture. It also achieves full coverage across all 18 tracked features, including Vim/Neovim integration — a meaningful differentiator for developers who live in modal editors and want their AI tooling to meet them there. Kiro CLI, by contrast, supports 17 of the same 18 tracked features and has been reaching higher version numbers at a more measured pace, which may actually appeal to teams that value stability and predictability over bleeding-edge updates. The gap in feature support is narrow enough that for most users not relying on Vim/Neovim, Kiro CLI delivers a functionally equivalent experience. The real decision, then, hinges on two factors: editor preference and tolerance for frequent updates. If you use Vim or Neovim and want the fastest-moving toolchain, Grok Build is the clear pick. If you prefer a steadier release cadence with near-complete feature parity, Kiro CLI is a mature and defensible choice.
Choose Grok Build if: Choose Grok Build if you use Vim or Neovim as your primary editor, or if you want the fastest-moving, most frequently updated AI coding tool with full tracked-feature coverage.
Choose Kiro CLI if: Choose Kiro CLI if you prefer a more measured release cadence with near-identical feature support and don't rely on Vim/Neovim integration.
Key differences
- Grok Build covers all 18 tracked features; Kiro CLI covers 17, missing only Vim/Neovim support
- Grok Build has a significantly faster release cadence — roughly three times as many releases tracked overall and more than three times as many in the recent 90-day window
- Kiro CLI carries higher version numbers, reflecting a different versioning philosophy and potentially a longer continuous development history
- Both tools are broadly feature-equivalent for non-Vim workflows, making editor preference the primary differentiator
- Grok Build's aggressive update frequency may mean more rapid bug fixes and feature additions, while Kiro CLI's steadier pace may suit teams prioritizing stability
At a glance
| Tool | Latest version | Release date | Releases tracked |
|---|---|---|---|
| Grok Build | v1.0.85 | November 13, 2026 | 194 |
| Kiro CLI | v3.3.0 | November 12, 2026 | 72 |
Grok vs Kiro: key feature differences
Grok Build supports 18 of 18 tracked features; Kiro CLI supports 17 of 18. Both support 17 features.
What Grok has that Kiro doesn't
- Vim/Neovim
What Kiro has that Grok doesn't
None in the tracked matrix.
Release cadence: Grok vs Kiro
Grok ships more often: 76 releases in the last 90 days versus 24 for Kiro. Counts are as of November 14, 2026.
| Metric | Grok | Kiro |
|---|---|---|
| Releases in the last 30 days | 25 | 10 |
| Releases in the last 90 days | 76 | 24 |
| Median gap between recent releases | 1 day | 2 days |
| Releases tracked | 194 | 72 |
| First tracked release | May 17, 2026 | November 24, 2025 |
What's new in Grok and Kiro
Latest Grok Build releases
- Grok Build v1.0.85 (November 13, 2026) — Grok Build 1.0.85
- Grok Build v1.0.84 (November 12, 2026) — Grok Build 1.0.84
- Grok Build v1.0.83 (November 11, 2026) — Grok Build 1.0.83
Latest Kiro CLI releases
- Kiro CLI v3.3.0 (November 12, 2026) — This release adds /copy N and /copy last N, so you can copy an earlier response or the last few messages, and lets you choose the context usage at which automatic compaction starts. It also shows e...
- Kiro CLI v3.2.0 (November 11, 2026) — This release brings Output details to everyone: choose in /settings how much detail tool calls show, from one line per call to the full output. It also fixes sign-in on Linux hosts with no graphica...
- Kiro CLI v3.2.1 (November 11, 2026) — Output Details and Sign-In Fixes. Learn more ->
Core Editing
Multi-file editing, streaming, undo capabilities
| Feature | Grok | Kiro |
|---|---|---|
| Multi-file Editing — Edit multiple files in a single operation | ✓ since 1.0.53 | ✓ (Implied by agent harness capabilities and workflow operations across files) |
| Streaming Output — Real-time streaming of AI responses | ✓ since 1.0.62 | ✓ since 2.24.0 |
| Undo/Redo — Ability to undo and redo changes | ✓ since 1.0.67 | ✓ since 2.20.0 |
| Diff View — Visual comparison of changes | ✓ since 1.0.53 | ✓ since 2.4.0 |
Terminal Integration
Shell and command execution support
| Feature | Grok | Kiro |
|---|---|---|
| Command Execution — Run shell commands | ✓ since 1.0.69 | ✓ since 2.37.0 |
| Shell Integration — Integration with user shell environment | ✓ since 1.0.64 | ✓ (v2.35.0 mentions jumping back to prompt from long outputs; terminal authentication and Linux sign-in fixes in v3.2.0) |
| Background Tasks — Run tasks in background | ✓ since 1.0.67 | ✓ since 2.0.0 |
MCP Support
Model Context Protocol server and client capabilities
| Feature | Grok | Kiro |
|---|---|---|
| MCP Client — Connect to MCP servers | ✓ since 1.0.64 | ✓ since 2.35.0 |
| MCP Server — Expose as MCP server | ✓ since 1.0.64 | ✓ since 2.35.0 |
| Custom Tools — Define and use custom tools | ✓ since 1.0.1 | ✓ (v2.33.0 mentions hooks, agents, MCP servers, steering, workflows as custom workspace configurations) |
IDE Integrations
VS Code, JetBrains, and other editor support
| Feature | Grok | Kiro |
|---|---|---|
| VS Code — Visual Studio Code integration | ✓ since 1.0.1 | ✓ since 1.24.0 |
| JetBrains — IntelliJ/WebStorm integration | ✓ since 0.2.96 | ✓ since 1.25.0 |
| Vim/Neovim — Vim or Neovim integration | ✓ since 1.0.69 | — |
| Web UI — Browser-based interface | ✓ since 1.0.64 | ✓ since 2.35.0 |
Agentic Features
Planning, tool use, and autonomous capabilities
| Feature | Grok | Kiro |
|---|---|---|
| Planning Mode — Plan before executing changes | ✓ since 1.0.68 | ✓ since 2.32.0 |
| Autonomous Mode — Extended autonomous operation | ✓ since 1.0.67 | ✓ since 3.3.0 |
| Task Decomposition — Break complex tasks into steps | ✓ since 1.0.67 | ✓ since 3.3.0 |
| Context Management — Manage context across conversations | ✓ since 1.0.68 | ✓ since 3.3.0 |
Feature timeline: who shipped first
First release where Grok and Kiro each shipped a notable feature, and which tool led.
| Feature | Grok | Kiro | Who led |
|---|---|---|---|
| Skills / Plugins | June 11, 2026 | — | only Grok |
| Sandboxing / Permission Modes | August 26, 2026 | August 11, 2026 | Kiro first, 14d ahead |
| Subagents / Parallel Agents | June 18, 2026 | December 18, 2025 | Kiro first, 182d ahead |
| Background Tasks | September 4, 2026 | August 11, 2026 | Kiro first, 23d ahead |
| Extended Thinking | July 1, 2026 | June 5, 2026 | Kiro first, 26d ahead |
| Hooks | June 18, 2026 | July 17, 2026 | Grok first, 29d ahead |
| Image / Vision Input | May 20, 2026 | — | only Grok |
| MCP Support | — | December 18, 2025 | only Kiro |
| Voice Input | July 1, 2026 | August 12, 2026 | Grok first, 43d ahead |
| Web Search / Fetch | May 21, 2026 | — | only Grok |
| Headless / Non-interactive Mode | August 26, 2026 | October 15, 2026 | Grok first, 50d ahead |
| Checkpoints / Rewind | May 28, 2026 | June 12, 2026 | Grok first, 16d ahead |
| Custom Slash Commands | July 9, 2026 | June 12, 2026 | Kiro first, 26d ahead |
| Project Memory Files | September 16, 2026 | August 12, 2026 | Kiro first, 34d ahead |
| Planning Mode | October 20, 2026 | December 18, 2025 | Kiro first, 306d ahead |
| Todo / Task List | May 22, 2026 | — | only Grok |
| JetBrains Support | May 26, 2026 | — | only Grok |
Frequently asked questions
Which is better, Grok Build or Kiro CLI?
Grok Build is the stronger choice for most developers, particularly those who prioritize release velocity, feature completeness, and Vim/Neovim support — but Kiro CLI remains a compelling, nearly feature-equivalent alternative depending on your workflow. Grok Build's development cadence is notably more aggressive, with more than twice the total tracked releases and a significantly higher release rate over the recent 90-day window, signaling faster iteration and a more reactive maintenance posture. It also achieves full coverage across all 18 tracked features, including Vim/Neovim integration — a meaningful differentiator for developers who live in modal editors and want their AI tooling to meet them there. Kiro CLI, by contrast, supports 17 of the same 18 tracked features and has been reaching higher version numbers at a more measured pace, which may actually appeal to teams that value stability and predictability over bleeding-edge updates. The gap in feature support is narrow enough that for most users not relying on Vim/Neovim, Kiro CLI delivers a functionally equivalent experience. The real decision, then, hinges on two factors: editor preference and tolerance for frequent updates. If you use Vim or Neovim and want the fastest-moving toolchain, Grok Build is the clear pick. If you prefer a steadier release cadence with near-complete feature parity, Kiro CLI is a mature and defensible choice.
What is the difference between Grok and Kiro?
Grok Build supports 18 of 18 tracked features; Kiro CLI supports 17 of 18. Only Grok: Vim/Neovim. Both support 17 tracked features.
Which gets updated more often, Grok or Kiro?
Grok Build ships more often. In the 90 days to November 14, 2026, Havoptic tracked 76 Grok releases and 24 Kiro releases (194 and 72 releases tracked in total). Grok's median gap between its last 21 releases is 1 day. Kiro's median gap between its last 21 releases is 2 days.
What are the latest versions of Grok and Kiro?
The latest Grok Build release is v1.0.85, released November 13, 2026. The latest Kiro CLI release is v3.3.0, released November 12, 2026.
Do Grok and Kiro support MCP (Model Context Protocol)?
Grok Build supports MCP Client, MCP Server, and Custom Tools. Kiro CLI supports MCP Client, MCP Server, and Custom Tools.
Release velocity
Havoptic tracks 194 Grok releases and 72 Kiro releases. See release frequency charts for side-by-side velocity analysis, or browse the Grok Build changelog and Kiro CLI changelog.
Related comparisons
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- Grok Build vs GitHub Copilot CLI
- Grok Build vs Devin Desktop
- Grok Build vs Antigravity CLI
More Kiro CLI comparisons
- Kiro CLI vs Claude Code
- Kiro CLI vs OpenAI Codex CLI
- Kiro CLI vs Cursor
- Kiro CLI vs Gemini CLI
- Kiro CLI vs GitHub Copilot CLI
- Kiro CLI vs Devin Desktop
- Kiro CLI vs Antigravity CLI
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.