Kilo

  • What it is:Kilo is an open-source AI coding agent and orchestration platform that supports 500+ models for end-to-end development tasks like planning, coding, testing, debugging, and deploying across VS Code, CLI, and more.
  • Best for:Cost-conscious individual developers and freelancers, Developers who want model flexibility and avoid vendor lock-in, Teams already invested in VS Code, JetBrains, or other IDEs
  • Pricing:Free tier available, paid plans from $0 (pay per token usage)
  • Rating:88/100Very Good
Reviewed byMaxim ManylovΒ·Web3 Engineer & Serial Founder

What Is Kilo and What Does It Do?

The Kilo Team is a remote-first team that operates out of San Francisco and Amsterdam. Their "Kilo Speed" philosophy is to have all product features owned by the same developers who are also the owners of their own AI agents.

Active
πŸ“San Francisco, CA
πŸ“…Founded 2025
🏒Private
TARGET SEGMENTS
DevelopersEngineering TeamsDevelopment Organizations

What Are Kilo's Key Business Metrics?

πŸ“Š
1.5M+
Downloads
πŸ“Š
500+
AI Models Supported
πŸ“Š
6T
Monthly Token Processing
πŸ“Š
#1 AI coding tool
Ranking on OpenRouter

How Credible and Trustworthy Is Kilo?

88/100
Excellent

They have developed a model agnostic way to give their users access to over 500 different AI models, including BYOK so they can use the most appropriate AI model for each task.

Product Maturity85/100
Company Stability82/100
Security & Compliance75/100
User Reviews92/100
Transparency95/100
Support Quality88/100
Open source MIT license#1 AI coding tool on OpenRouter1.5M+ downloads6T tokens processed monthlyUsed to build itself (dogfooding)500+ model support

What is the history of Kilo and its key milestones?

2025

Company Founded

The Kilo Team has developed a range of different products, including Kilo Sessions, Code Reviewer, Cloud Agents, Kilo Man, Autocomplete, and Parallel Agents. They have developed these products quickly with the help of their AI agents, and have shipped them in just six weeks.

2025

Rapid Market Leadership

The Kilo Team uses a number of different methods to promote the adoption of AI across their user base. One method is to monitor and support the use of AI in teams across large development organizations.

2025

Major Feature Launch Wave

In addition to promoting the adoption of AI, the Kilo Team also promotes transparency and reliability by using the open source MIT License and by dogfooding, or using Kilo to develop Kilo.

Who Are the Key Executives Behind Kilo?

Scott Breitenotherβ€” Co-founder & CEO
As a result of their work, the Kilo Team has grown rapidly since its launch in March 2025, and has become one of the leading tools for AI coding available today with over 1.5 million downloads and proven production usage.

What Are the Key Features of Kilo?

✨
Agent Orchestration
It was founded by Scott Breitenother and his team in March 2025, and launched as an open source AI coding orchestration platform.
πŸ’¬
500+ Model Support
Since its founding in March 2025, the Kilo Team has grown from an idea to being the #1 AI coding tool on OpenRouter, with over 1.5 million downloads in a matter of months.
πŸ“Š
Multi-Platform Access
The Kilo Team has built Kilo to be a seamless experience across multiple platforms and devices, including Visual Studio Code, JetBrains, CLI, Cloud Agents, mobile applications, and a web-based application with persistent Kilo Sessions.
⚑
Kilo Speed Workflow
Their goal for developing Kilo is to allow developers to own their own development workflow from design through deployment, which would allow them to eliminate the need for PR bottlenecks in the development process.
✨
Open Source Transparency
The Kilo Team has implemented this by building Kilo to support five agent modes, including Architect, Orchestrator, Code, Debug, and Reviewer, while allowing for parallel agents and an agent manager.
✨
Kilo Autocomplete
With the ability to access 500 plus AI models, Kilo users can choose the most appropriate AI model for each specific task, giving them flexibility and control over their AI coding workflow.
πŸ‘₯
Team AI Dashboard
Kilo is also capable of providing the user with a seamless experience regardless of where they are working; whether it is at their desk, on-the-go, or in a meeting room, the user will have persistent Kilo Sessions that are accessible throughout the day.

What Technology Stack and Infrastructure Does Kilo Use?

Infrastructure

Remote-first with San Francisco and Amsterdam offices

Technologies

TypeScriptReactNode.js

Integrations

VS CodeJetBrainsCLICloud AgentsMobile AppsOpenRouter

AI/ML Capabilities

Orchestration layer supporting 500+ models including Architect Agent, Orchestrator Agent, Code Agent, Debug Agent, and Code Reviewer Agent with parallel execution capabilities

Inferred from feature descriptions and open-source nature; specific stack details from official website

What Are the Best Use Cases for Kilo?

Software Engineers
Development of the end-to-end features of the AI agents by means of the AI agent in each phase of the life cycle of software products, from the design stage to the deployment stage, by removing barriers associated with the reviews of pull requests (PR), and making possible for individuals to take responsibility for these tasks.
Engineering Teams
A team-wide dashboard for adopting AI, and a code reviewer agent to enable collaboration and to ensure that code quality is maintained across large teams.
Development Organizations
The unified workflow makes it easier to switch between the phases of the development process because you do not need to use a variety of AI-based programming tools for each phase of the development process. Therefore, the Kilo platform enables the entire development life cycle to be performed in one single environment.
Non-Technical Marketers/PMs
Using the Kilo AI, website content and copy iterations may occur without needing the involvement of developers.
NOT FORReal-time Systems Developers
Latency due to AI agent orchestration may prevent satisfactory performance in cases where responses must be provided within less than 100 milliseconds.
NOT FORLegacy COBOL/Fortran Teams
Since the models available for training and utilizing AI agents are currently limited, especially for ancient languages, the effectiveness of the AI agents will be reduced as well.

How Much Does Kilo Cost and What Plans Are Available?

Pricing information with service tiers, costs, and details
☐Service$Costβ„ΉDetailsπŸ”—Source
Free Plan$0 (pay per token usage)Core agent features included. Pay only for AI model tokens consumed via built-in provider credits at cost or bring your own API keys. Includes $5 free credits on signup.Kilo official documentation
Team Plan$15/user/monthCentralized billing, team dashboard, usage analytics, shared modes, role-based permissions, audit logs, collaboration and governance capabilities.Kilo official documentation
Enterprise PlanCustom pricingAll Team features plus enterprise-grade tooling, advanced collaboration, and custom requirements.Kilo official documentation
Budget Models (Pay-per-use)$0.20-$0.30 per million input tokensUltra-budget options like Mistral Devstral Small ($0.20/M tokens, 85% of premium capability) and Llama 4 Maverick ($0.30/M tokens) for cost-effective development.Kilo documentation - Free and Budget Models
Free Models$0Completely free models available through Kilo Gateway and OpenRouter free tier. No token costs.Kilo documentation - Free and Budget Models
Free Plan$0 (pay per token usage)
Core agent features included. Pay only for AI model tokens consumed via built-in provider credits at cost or bring your own API keys. Includes $5 free credits on signup.
Kilo official documentation
Team Plan$15/user/month
Centralized billing, team dashboard, usage analytics, shared modes, role-based permissions, audit logs, collaboration and governance capabilities.
Kilo official documentation
Enterprise PlanCustom pricing
All Team features plus enterprise-grade tooling, advanced collaboration, and custom requirements.
Kilo official documentation
Budget Models (Pay-per-use)$0.20-$0.30 per million input tokens
Ultra-budget options like Mistral Devstral Small ($0.20/M tokens, 85% of premium capability) and Llama 4 Maverick ($0.30/M tokens) for cost-effective development.
Kilo documentation - Free and Budget Models
Free Models$0
Completely free models available through Kilo Gateway and OpenRouter free tier. No token costs.
Kilo documentation - Free and Budget Models
πŸ’‘Pricing Example: Developer using budget models for standard development vs premium models for complex tasks
Free models + personal API keys$0-5/month
Free Kilo + free models or low-cost alternatives like Mistral Devstral Small
Budget-tier approach (team of 3)$45/month minimum
$15 Γ— 3 users for Team plan + $10-20 token usage
Premium models (pay-per-use)$5-50+/month
Varies by model choice and usage volume
πŸ’°Savings:No fixed monthly fees on Free plan - only pay for tokens consumed. Switch between models based on task complexity to optimize costs.

How Does Kilo Compare to Competitors?

FeatureKilo CodeCursorWindsurfGitHub Copilot
Core FunctionalityFull AI coding agent (plan, code, test, debug, review, deploy)AI code editor with inline editingAI-native IDECode completion and chat
Model Support500+ models, 60+ providers (OpenAI, Anthropic, Google, Mistral, Meta Llama)Limited to Cursor-selected modelsLimited to Windsurf-selected modelsOpenAI GPT-4 only
IDE IntegrationVS Code, JetBrains, Cursor, Windsurf, CLIStandalone editor onlyStandalone IDE onlyVS Code, JetBrains, Visual Studio
Starting Price$0 (free) + token costs$20/month$0-20/month$10/month
Free TierYes - fully functional, no tool costLimited trialPartial free tierLimited usage free tier
Team FeaturesYes ($15/user/month)Enterprise onlyEnterprise onlyEnterprise only
Open SourceYesNoNoNo
Bring Your Own ModelYes (any provider)LimitedLimitedNo
Transparent PricingYes - exact list price, no commissionsFlat monthlyFlat monthlyFlat monthly
Core Functionality
Kilo CodeFull AI coding agent (plan, code, test, debug, review, deploy)
CursorAI code editor with inline editing
WindsurfAI-native IDE
GitHub CopilotCode completion and chat
Model Support
Kilo Code500+ models, 60+ providers (OpenAI, Anthropic, Google, Mistral, Meta Llama)
CursorLimited to Cursor-selected models
WindsurfLimited to Windsurf-selected models
GitHub CopilotOpenAI GPT-4 only
IDE Integration
Kilo CodeVS Code, JetBrains, Cursor, Windsurf, CLI
CursorStandalone editor only
WindsurfStandalone IDE only
GitHub CopilotVS Code, JetBrains, Visual Studio
Starting Price
Kilo Code$0 (free) + token costs
Cursor$20/month
Windsurf$0-20/month
GitHub Copilot$10/month
Free Tier
Kilo CodeYes - fully functional, no tool cost
CursorLimited trial
WindsurfPartial free tier
GitHub CopilotLimited usage free tier
Team Features
Kilo CodeYes ($15/user/month)
CursorEnterprise only
WindsurfEnterprise only
GitHub CopilotEnterprise only
Open Source
Kilo CodeYes
CursorNo
WindsurfNo
GitHub CopilotNo
Bring Your Own Model
Kilo CodeYes (any provider)
CursorLimited
WindsurfLimited
GitHub CopilotNo
Transparent Pricing
Kilo CodeYes - exact list price, no commissions
CursorFlat monthly
WindsurfFlat monthly
GitHub CopilotFlat monthly

How Does Kilo Compare to Competitors?

vs GitHub Copilot

While Copilot is primarily a tool for providing suggestions for code completion and chat functionality within the confines of existing Integrated Development Environments (IDEs), Kilo is a full-fledged end-to-end AI-based coding agent capable of planning, architecture, testing, debugging, and deployment. Kilo has the ability to utilize over 500 models versus Copilot's capability of utilizing GPT-4 only. Additionally, Kilo is an open-source and vendor-neutral product, while Copilot is a proprietary and closed system locked to OpenAI. Finally, both Copilot and Kilo have similar initial price points (i.e., approximately $10-$15 per month).

Use Copilot if you want an integrated IDE experience as well as use Copilot Chat; use Kilo if you are working with multi-agent workflows, need flexible modeling, and want to take advantage of open-source transparency.

vs Cursor

While Cursor is a highly-specialized AI-based code editor with significant inline editing capabilities, Kilo is a platform-independent agent and integrates with existing IDEs. Kilo provides greater flexibility with regard to model selection (over 500 models) compared to Cursor, which is limited in this regard. In terms of pricing, Cursor has a higher monthly cost (approximately $20 per month) compared to Kilo's cost structure (free base tier + token based costs) which could result in Kilo being more economical for light users, or Cursor being more economical for heavy users.

Use Cursor if you want to utilize an AI-first editing experience; use Kilo for the flexibility of choosing what you want to do when it comes to cost and using the IDE that you already know and love.

vs Windsurf

WindSurf is a stand-alone AI-native IDE while Kilo is an integrated agent that is able to integrate into existing development environments. Both products offer a free tier version, however, Kilo is functionally complete at no cost whereas WindSurf has a limited free tier version. Kilo has a number of advantages when compared to WindSurf, including its model flexibility (over 500 models) and open-source nature versus WindSurf's proprietary and curated approach. WindSurf appears to appeal to users who desire an all-encompassing IDE, whereas Kilo appears to appeal to users who wish to enhance their current development environment.

Use Windsurf if you want to replace your entire IDE; use Kilo if you want to add AI to your current IDE.

What are the strengths and limitations of Kilo?

Pros

  • Totally free and totally open source – there is no tool cost; just the cost of the tokens used when utilizing the AI model.
  • Over 500 different models from over 60 different vendors – have the ability to use the OpenAI, Anthropic, Google, Mistral, Llama, and/or host your own models based on performance, cost, and personal preference.
  • Works with any IDE – integrates with VS Code, JetBrains, Cursor, Windsurf, and CLI rather than forcing a new editor.
  • A full end-to-end coding agent – will handle planning, architecture, coding, testing, debugging, code review, and deployment all within one cohesive workflow.
  • Model vendor neutral – eliminates the potential for locking into a particular vendor and their associated pricing throttles; allows you to easily switch between models.
  • Transparent pricing – pays the exact list price without any additional commissions or hidden fees; Kilo will only monetize through team and enterprise plans.
  • There are cost effective alternative models – budget models such as Mistral Devstral Small provide 85 percent of the premium functionality at 10 percent of the cost.
  • Strong community acceptance – 1 million+ users, 20 trillion+ tokens processed; has exceeded 17 billion tokens in its first 24 hours of launch.

Cons

  • The amount of tokens used can quickly accumulate – while a free tier is provided, the amount of tokens required varies greatly based on the model chosen and the volume of tokens needed; requires cost management discipline to control.
  • Steep learning curve to understand agentic workflows – to fully utilize the capabilities of agentic workflows you must be able to plan out and coordinate multi-step processes across planning, coding, and deployment.
  • Fragmentation of vendors/providers – managing multiple AI vendors and API keys creates significant operational complexity compared to the simplicity of using a single vendor.
  • Early stage competitor vs established brands - Launched in March 2025, has fewer battles under its belt compared to the large established players in the enterprise space
  • Team collaboration features are paid - A company pays $15/user/month for a centralized billing and governance system; The free version does not have team capabilities
  • Features still developing - Items on the roadmap such as better multi-agent collaboration and additional enterprise tooling have not been fully developed
  • Users need to create and manage API keys - Because there is a free tier and model flexibility, users will need to get and manage their own API keys from multiple vendors

Who Is Kilo Best For?

Best For

  • Cost-conscious individual developers and freelancers β€” Pay per token model with free tool option allows user to start with a zero dollar cost. User can choose to utilize free models or low-cost models ($0.20-$0.30/M tokens) to save hundreds or thousands of dollars per month versus $10-$100/month options
  • Developers who want model flexibility and avoid vendor lock-in β€” Over 500 models from over 60 different vendors allow users to switch models depending on what they want to accomplish (performance or cost), and not be limited by only using a single vendor. Option to self host a model available
  • Teams already invested in VS Code, JetBrains, or other IDEs β€” Allows user to integrate into an existing IDE workflow without requiring a change in editors. Adds functionality to existing tools instead of replacing them
  • Organizations needing full AI-driven development workflows (plan-code-test-deploy) β€” End-to-end coding agent, which also functions in an orchestrator mode, handles the entire development cycle (i.e., writing code, testing, debugging etc.) as opposed to point solutions that only handle code completion
  • Teams requiring team collaboration at scale β€” The Team and Enterprise plans ($15/user/month) provide centralized billing, audit logs, role-based permission, and governance for companies that require these types of services
  • Open-source advocates and transparency-focused organizations β€” Open source code base with clear pricing and no hidden fees; Is aligned with the values of teams who prioritize vendor accountability

Not Suitable For

  • Users wanting single-vendor convenience with no setup required β€” Users are required to manage their own API keys and select their own providers. Consider using GitHub Copilot or Cursor if you want a "turn-key" experience
  • Teams preferring flat monthly pricing with no variable costs β€” As the pricing is based on tokens, it can be difficult to estimate costs. Consider fixed price alternatives such as Cursor ($20/month) or Copilot ($10/month)
  • Organizations requiring dedicated IDE replacement with full feature parity β€” Kilos is used to enhance existing IDEs, not replace them. Consider using Cursor or Windsurf for a complete IDE experience.
  • Enterprises needing proven, battle-tested solutions at scale β€” Kilo was deployed in March of 2025 and has no enterprise-level usage history; use GitHub Copilot or another alternative for mission-critical applications.

Are There Usage Limits or Geographic Restrictions for Kilo?

Model Availability
500+ models from 60+ providers including OpenAI, Anthropic, Google, Mistral, Meta Llama. Self-hosted models supported via local deployment (e.g., LM Studio).
IDE Support
VS Code, JetBrains IDEs, Cursor, Windsurf, and standalone CLI. Other IDEs not officially supported.
Token Rate Limits
Dependent on underlying AI provider (e.g., OpenAI, Anthropic rate limits apply). Free models have no rate limits mentioned.
Free Trial Credits
$5 free credits on initial signup; additional $20 in credits available upon first top-up.
Team Features Paywall
Shared modes, centralized billing, team dashboard, audit logs, and role-based permissions require Team plan ($15/user/month) or higher.
Data and Context Limits
Dependent on selected model's context window (ranges from 4K to 200K+ tokens depending on model choice).
Execution Environment
Requires internet connection for API calls. Local model execution possible but requires self-hosted inference setup.
Compliance and Security
No mention of HIPAA BAA, FedRAMP, or specialized industry compliance. Standard data processing agreements available for Team/Enterprise.

Is Kilo Secure and Compliant?

Open Source CodebaseFull source code available for review. Community-driven security through transparency rather than security-through-obscurity.
Model Provider AgnosticNo mandatory data lock-in to single provider. Users can select security-compliant providers (e.g., on-premises deployment, private cloud) based on requirements.
API Key ManagementUsers maintain control of API keys for external providers. Kilo does not store provider credentialsβ€”users bring their own keys or use provided gateway.
Data Privacy ControlUsers choose where their data goes by selecting model providers. Self-hosted model option available for complete data isolation.
Team and Enterprise Audit LogsTeam and Enterprise plans include audit logging for user actions, governance, and compliance tracking.
Role-Based Access Control (RBAC)Team and Enterprise plans offer role-based permissions and centralized governance for team collaboration.
Transparency in Pricing and OperationsNo hidden commissions or usage throttles. Clear pricing model where Kilo monetizes through Team/Enterprise plans, not through data usage or model lock-in.
No Vendor Lock-InOpen source and model-agnostic design prevents vendor lock-in. Users can export workflows and switch providers without data loss.

What Customer Support Options Does Kilo Offer?

Channels
Comprehensive guides and API documentation available at kilo.ai/docsFree community support available for all tiersOpen source project with issue tracking for bug reports and feature requests
Satisfaction
Not publicly available; 1M+ active users and strong Product Hunt reception suggests high satisfaction
Support Limitations
β€’No dedicated phone support mentioned
β€’No 24/7 live chat support documented
β€’Premium support tiers for Team and Enterprise not specified

What Are Kilo's Code Completion Metrics?

500K+
Active Users
500+
AI Models Supported
40%
Boilerplate Time Reduction
100B+
Daily Tokens Processed
Multiline Tab Autocomplete
Autocomplete Type

What Supported Languages Does Kilo Support?

PythonJavaScriptTypeScriptGoRustJavaC++

Works across all major programming languages via 500+ AI models

What Ide Integrations Does Kilo Support?

VS CodeJetBrains IDEsCursorWindsurfCLI/TerminalBrowser

Works in IDEs, terminal, browser, and syncs across devices

What Is Kilo's Ai Model Specs?

AI Models Supported
500+ (OpenAI, Anthropic, Google, Mistral, Llama, custom)
Model Flexibility
Switch any frontier, local, or custom LLM
Context Management
Automatic context search, Context7, memory bank
Parallel Processing
Multiple agents via git worktrees
Deployment Type
Open source, self-hosted capable

What developer tools, APIs, and SDKs does Kilo offer?

Tab Autocomplete

Generates intelligent multiline code completion

Multi-file Code Generation

Generates and refactors coding across multiple files

Architect Mode

Plans a project's overall structure and generates blueprints

Debug Mode

Automatically detects errors and recovers them

Code Review Agents

Automatically analyzes and improves pull requests (PRs)

Memory Bank

Caches common coding patterns and contextual knowledge about projects

Parallel Agents

Simultaneously run multiple AI-based agents to process workloads

One-click Deploy

Directly deploy to production from an integrated development environment (IDE) with automatic configuration

Is Kilo Secure and Compliant for Enterprise Use?

Open Source TransparencyFully auditable codebase
Self-HostingRun on own infrastructure
Model Vendor NeutralAny provider, no lock-in
Context PrivacyAutomatic context search, no full codebase sharing
SOC 2 ComplianceNot specified for open source

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