Kiro

Kiro

Amazon Web Services
+

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About

Kilo Code is a powerful open-source coding agent designed to help developers build, ship, and iterate faster across every stage of the software development workflow. It offers multiple modes—including Ask, Architect, Code, Debug, and Orchestrator—so developers can switch seamlessly between tasks with tailored AI support. The platform includes features such as hallucination-free code, automatic failure recovery, and deep context awareness to ensure accuracy and reliability. Developers can run parallel agents, enjoy fast autocomplete, and even deploy applications with a single click. With access to 500+ models and integration across terminals, VS Code, and JetBrains editors, Kilo provides unmatched flexibility. As the #1 agent on OpenRouter with over 750,000 users, it has quickly become a preferred choice for modern AI-assisted development.

About

Kiro is an AI‑powered integrated development environment that brings structure to AI‑driven coding by converting natural‑language prompts into clear requirements, system designs, and discrete implementation tasks validated by robust tests. Built from the ground up for agentic workflows, it features spec‑driven development, multimodal chat, “agent hooks” that trigger background tasks on events like file saves, and an autopilot mode that autonomously runs large scripts while keeping you in control. With smart context management, Kiro reduces repetitive prompts and helps implement complex features across large codebases. Native MCP integrations let you connect to documentation, databases, and APIs, and you can guide development with images of UI designs or architecture diagrams. Enterprise‑grade security and privacy ensure safe deployment, while support for Claude Sonnet models, Open VSX plugins, and existing VS Code settings delivers a familiar yet AI‑supercharged experience.

About

Pi is a minimal terminal coding harness built to adapt to developer workflows instead of forcing developers to adapt to it. It ships with powerful defaults, but stays intentionally small and aggressively extensible, letting users customize Pi with extensions, skills, prompt templates, themes, and shareable packages from npm or git. If a team needs a command, tool, provider, workflow, or UI tweak, they can ask Pi to build it, manipulate it in place, reload, and keep going. Pi supports interactive, print/JSON, RPC, and SDK modes, making it usable as a full terminal UI, a scriptable command, a JSON event stream, or an embeddable agent harness. It works with 15+ providers and hundreds of models, including Anthropic, OpenAI, Google, Azure, Bedrock, Mistral, Groq, Cerebras, xAI, Hugging Face, Kimi For Coding, MiniMax, OpenRouter, Ollama, and more, with mid-session model switching.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Kilo Code is ideal for developers and engineering teams seeking a fast, accurate, open-source AI coding agent that enhances every stage of the software development lifecycle.

Audience

Developers and engineering teams needing a tool to accelerate AI‑driven coding from prototype to production with structured, spec‑driven development and autonomous AI agents

Audience

Developers and AI tool builders who want a minimal, extensible terminal coding agent they can customize, script, embed, and adapt to their own workflows

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Screenshots and Videos

Pricing

$15/user/month
Free Version Supported
Free Trial Not Supported

Pricing

$19 per month
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 4.0 / 5
features 5.0 / 5
design 4.0 / 5
support 4.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 5.0 / 5
support 4.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Ridiculously easy onboarding, slick UI, hyper-contextual code suggestions, smart refactoring, one-click docs generation, full-stack architecture templates, seamless VS Code integration . Feels like a senior architect whispering best practices in your ear while the whole squad’s velocity goes full turbo.

Cons

  • Tends to over-engineer fixes on legacy code, needs high-speed internet for real-time inference, and the AI occasionally hallucinates exotic patterns that require manual cleanup.

Pros & Cons from Real Users

Pros

  • Fast, Focused, and Flexible Kiro is a clean, fast IDE that prioritizes focus and responsiveness. Setup is straightforward, and the interface keeps essential panels (editor, explorer, terminal) within easy reach without feeling cluttered. Standout strengths include snappy file navigation, sensible defaults, and low-friction workflows for running and debugging projects. While the extension ecosystem isn’t as vast as some incumbents, the built-in features cover most daily needs, and performance remains solid even on larger codebases. If you value a distraction‑free environment with smart ergonomics over endless plugins, Kiro is an excellent choice. I’d love to see deeper VCS insights and more out‑of‑the‑box language tooling, but overall it’s a productive, reliable IDE.

Cons

  • Where it could improve Ecosystem depth: If you rely on niche language tooling or specialized plugins, you may find fewer options compared to larger marketplaces. Advanced VCS views: Basic Git workflows are smooth, but richer features (commit graph, interactive rebase UI, code review surfaces) would elevate team use. Language intelligence: Autocomplete and refactoring are solid for mainstream languages; deeper static analysis and framework-aware hints would be welcome.

Pros & Cons from Real Users

Pros

  • Pi Agent looks really appealing from a developer’s point of view because it is simple, open-source, and focused on the actual mechanics of building coding agents. It is not trying to be a giant all-in-one platform. It gives you the core pieces: a unified LLM API, an agent loop, a terminal UI, and a coding-agent CLI. I especially like the context-engineering approach. Being able to control project instructions with AGENTS.md, customize the system prompt with SYSTEM.md, and manage long sessions through compaction makes Pi feel built for developers who actually understand how fragile agent context can be. The open-source MIT license is a big plus too. If I am building serious agent workflows, I want to inspect the harness, modify it, swap models, and understand what is happening under the hood instead of being locked into a black-box coding assistant.

Cons

  • Pi Agent is probably not the best fit for someone who wants a polished, fully managed AI coding product out of the box. It feels more like a toolkit for developers who are comfortable configuring their own workflows, choosing models, and tuning the agent behavior. I would also want to test reliability carefully before using it on production repos. Coding agents can make impressive changes, but they can also get stuck, over-edit files, miss project conventions, or make subtle mistakes if the context and guardrails are not set up well. The simplicity is a strength, but it also means you may need to bring more of your own infrastructure, evals, permissions, and safety controls.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Kilo Code
Founded: 2025
United States
kilo.ai/

Company Information

Amazon Web Services
Founded: 2002
United States
kiro.dev/

Company Information

Pi
United States
pi.dev/

Alternatives

JetBrains Junie

JetBrains Junie

JetBrains

Alternatives

Alternatives

Amp

Amp

Amp Code
Amp

Amp

Amp Code
JetBrains Junie

JetBrains Junie

JetBrains
Claude Code

Claude Code

Anthropic
Amp

Amp

Amp Code
Claude Duet

Claude Duet

Anthropic
Claude Code

Claude Code

Anthropic
Cline

Cline

Cline AI Coding Agent
Poolside

Poolside

Poolside.ai
Devin Desktop

Devin Desktop

Cognition

Categories

Agentic AI Supported
AI Agents Supported
AI Code Generators Supported
AI Coding Agents Supported

Categories

Agentic AI Supported
AI Code Generators Supported
AI Coding Agents Supported
AI IDEs Supported
IDE Supported
Vibe Coding Supported

Categories

Integrations

AWS DevOps Agent Not Supported
C++ Not Supported
Claude Fable 5 Not Supported
Claude Opus 4.6 Not Supported
GLM-5 Supported
GLM-5.3 Supported
GPT-6 Luna Not Supported
GPT-6.1 Sol Not Supported
Java Not Supported
KiloClaw Supported
Kimi K3 Not Supported
Ming-Flash Omni 2.0 Supported
MiniMax M3.1 Flash Supported
MiniMax-M2.1 Supported
Mistral AI Not Supported
OpenAI Bel Not Supported
Seed2.1 Pro Supported
Superwhisper Not Supported
UnoRouter Supported
Visual Studio Code Supported

Integrations

AWS DevOps Agent Supported
C++ Supported
Claude Fable 5 Not Supported
Claude Opus 4.6 Not Supported
GLM-5 Not Supported
GLM-5.3 Not Supported
GPT-6 Luna Not Supported
GPT-6.1 Sol Not Supported
Java Supported
KiloClaw Not Supported
Kimi K3 Not Supported
Ming-Flash Omni 2.0 Not Supported
MiniMax M3.1 Flash Not Supported
MiniMax-M2.1 Not Supported
Mistral AI Not Supported
OpenAI Bel Not Supported
Seed2.1 Pro Not Supported
Superwhisper Not Supported
UnoRouter Not Supported
Visual Studio Code Not Supported

Integrations

AWS DevOps Agent Not Supported
C++ Not Supported
Claude Fable 5 Supported
Claude Opus 4.6 Supported
GLM-5 Not Supported
GLM-5.3 Not Supported
GPT-6 Luna Supported
GPT-6.1 Sol Supported
Java Not Supported
KiloClaw Not Supported
Kimi K3 Supported
Ming-Flash Omni 2.0 Not Supported
MiniMax M3.1 Flash Supported
MiniMax-M2.1 Not Supported
Mistral AI Supported
OpenAI Bel Supported
Seed2.1 Pro Not Supported
Superwhisper Supported
UnoRouter Not Supported
Visual Studio Code Not Supported
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