Kilo Code

Kilo Code

5.0 out of 5 stars
OpenSpec

OpenSpec

Fission AI
Kilo Code OpenSpec

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Kilo Code:

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.
OpenSpec:

About

OpenSpec is an open-source spec-driven development framework designed to bring structure and clarity to AI-assisted coding workflows. It introduces a lightweight specification layer that helps teams define requirements before writing code. The platform organizes each change into structured artifacts such as proposals, specifications, designs, and task lists. It integrates with over 20 AI coding tools, allowing developers to use their preferred assistants while maintaining consistency. OpenSpec emphasizes an iterative and flexible approach rather than rigid development phases. Its command-based workflow enables users to propose, implement, and archive features efficiently. Overall, OpenSpec helps developers align with AI systems, reduce ambiguity, and produce more predictable and reliable outcomes.
Kilo Code:

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
OpenSpec:

Platforms Supported

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

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.
OpenSpec:

Audience

Developers, product teams, and organizations using AI coding assistants who want a structured, spec-driven approach to improve clarity, collaboration, and development outcomes
Kilo Code:

Support

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

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported
Kilo Code:

API

Offers API Not Supported
OpenSpec:

API

Offers API Not Supported
Kilo Code:

Screenshots and Videos

OpenSpec:

Screenshots and Videos

Kilo Code:

Pricing

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

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported
Kilo Code:

Reviews/Ratings

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

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Kilo Code:

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.
Kilo Code:

Training

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

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Kilo Code:

Company Information

Kilo Code
Founded: 2025
United States
kilo.ai/
OpenSpec:

Company Information

Fission AI
openspec.dev/
Kilo Code:

Alternatives

JetBrains Junie

JetBrains Junie

JetBrains
OpenSpec:

Alternatives

Claude Code

Claude Code

Anthropic
5.0 out of 5 stars
Kilo Code:
Amp

Amp

Amp Code
4.7 out of 5 stars
OpenSpec:
GSD Pi

GSD Pi

Open GSD
Kilo Code:
Muse Code

Muse Code

Meta
5.0 out of 5 stars
OpenSpec:
Kiro

Kiro

Amazon Web Services
5.0 out of 5 stars
Kilo Code:
Claude Code

Claude Code

Anthropic
5.0 out of 5 stars
OpenSpec:
Zenflow

Zenflow

Zencoder
Kilo Code:
Amazon Q Developer

Amazon Q Developer

Amazon
5.0 out of 5 stars
OpenSpec:
Intent

Intent

Augment Code
Kilo Code:

Categories

Agentic AI Supported
AI Agents Supported
AI Code Generators Supported
AI Coding Agents Supported
OpenSpec:

Categories

Agentic AI Supported
AI Coding Agents Supported
Kilo Code:

Integrations

Auggie CLI Not Supported
Cline Not Supported
Cloudroom Supported
Codebuddy Not Supported
Devstral Small 2 Supported
GLM-4.7 Supported
GLM-5 Supported
GLM-5.3 Supported
Grok Code Fast 1 Supported
Kilo Code Reviewer Supported
KiloClaw Supported
Laguna S 2.1 Supported
Laguna XS 2.1 Supported
MiMo-V2-Omni Supported
MiMo-V2.5-Pro Supported
MiniMax M3 Supported
OpenRouter Supported
Roo Code Not Supported
Seed2.0 Pro Supported
omp Supported
OpenSpec:

Integrations

Auggie CLI Supported
Cline Supported
Cloudroom Not Supported
Codebuddy Supported
Devstral Small 2 Not Supported
GLM-4.7 Not Supported
GLM-5 Not Supported
GLM-5.3 Not Supported
Grok Code Fast 1 Not Supported
Kilo Code Reviewer Not Supported
KiloClaw Not Supported
Laguna S 2.1 Not Supported
Laguna XS 2.1 Not Supported
MiMo-V2-Omni Not Supported
MiMo-V2.5-Pro Not Supported
MiniMax M3 Not Supported
OpenRouter Not Supported
Roo Code Supported
Seed2.0 Pro Not Supported
omp Not Supported
Kilo Code:
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OpenSpec:
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Claim OpenSpec and update features and information