kilocode

Open source alternative to Cursor, GitHub Copilot and Claude Code

27.7K stars
MIT
Active this week
Last commit 1 day ago

Last verified Oct 20, 2026

Build and ship code with an open source AI coding agent across VS Code, JetBrains, CLI, and Cloud. MIT licensed, 500+ models at zero markup.

Visit website GitHub27.7K

Read the full breakdownWho it is for, how it works, trade-offs, the quick start and the FAQ

who it's for

Who kilocode is for#

Developers switching from Cursor or GitHub Copilot

Kilocode covers the same IDE surfaces as both tools but removes the model markup and subscription lock-in. You bring your own API keys and access the same frontier models at provider cost. VS Code and JetBrains are both supported, so migration does not force an editor change.

Skip if:

If your team's primary need is lightweight single-line autocomplete with Cursor's tab-completion UX, note that Kilocode's core strength is multi-step agentic tasks, not minimal inline suggestions.

Engineering teams running agents in CI/CD

The `kilo run --auto` flag disables all confirmation prompts and lets the agent execute commands, fix tests, and iterate without human input. Cloud agents at app.kilo.ai and the automated code review integration extend this to PR workflows without local machine dependencies.

Skip if:

Teams without sandboxed CI environments should avoid --auto mode; it grants the agent unrestricted execution permissions and requires a trusted, isolated environment to be safe.

Developers building with multiple AI providers

Kilocode's model-agnostic design lets you route different tasks to different providers. Use a cheap open-weight model for drafting, a frontier model for complex refactors, and a local model for sensitive code. All from the same agent, with mid-task switching and no re-authentication.

Skip if:

If your organization's policy restricts AI usage to a single approved provider (for example, only Azure OpenAI), the multi-provider value of Kilocode is largely unused.

Open source teams wanting self-hosted AI coding tools

The MIT license and full source transparency mean you can audit every prompt and context window, run Kilocode on your own infrastructure, and fork or modify it for internal tooling. Local model support means no code leaves your environment when privacy matters.

Skip if:

Self-hosting the full Kilocode stack requires familiarity with TypeScript tooling and environment configuration. Teams that want zero-configuration setup will find the managed cloud option at app.kilo.ai simpler.

the problem

The problem it solves#

AI coding tools from paid services put developers in a bind. Subscriptions like GitHub Copilot and Cursor lock you into a specific model tier, with the vendor controlling which model runs and at what markup. Switching providers means switching tools, losing context, and relearning workflows. Teams that want to experiment with frontier models or cheaper alternatives have no path forward within those tools.

The model-lock problem compounds the cost problem. A subscription that seems affordable per seat adds up fast for engineering teams, and the markup over raw API pricing means you pay for distribution, not intelligence. Developers who bring their own API keys still face a curated, closed model roster. Open source teams and cost-conscious startups often need multiple model options for different tasks: a cheap model for autocomplete, a stronger one for architecture. Paid platforms do not offer that granularity without a premium tier.

how kilocode solves it

How it solves it#

500+ model roster with zero markup

Access frontier, open-weight, and local models from any provider at the provider's API rate directly. Kilocode adds no markup. Includes GPT-5.5, Claude Opus 4.7, Claude Sonnet 4.6, and Gemini 3.1 Pro Preview at provider pricing. Swap models mid-task without restarting the session.

Specialized agent modes

Ships with five built-in modes: Code (implements and edits from natural language), Plan (designs architecture before writing code), Ask (answers questions without touching files), Debug (traces issues and suggests fixes), and Review (surfaces issues across performance, security, style, and test coverage). Custom agent modes are also supported.

Auto Model routing

The Auto Model feature handles model selection automatically. Efficient mode uses session-aware routing to reduce spend by matching the model to task complexity. Frontier mode routes to the most capable paid models when the work needs it. Free mode selects the best available free and experimental models.

Cross-surface support: VS Code, JetBrains, CLI, and Cloud

A single open source agent that runs as a VS Code extension, a JetBrains plugin (IntelliJ, PyCharm, WebStorm), a CLI, and a cloud agent at app.kilo.ai. Sessions hand off across surfaces; start in the IDE and continue in the cloud without losing context.

Terminal and browser control

The agent can run shell commands and automate the browser as part of its task loop. This lets it execute tests, install dependencies, check build output, or interact with web UIs without the developer switching context. Self-checking means it reviews and corrects its own work automatically.

MCP marketplace for extensions

Kilocode includes an MCP (Model Context Protocol) marketplace for finding and connecting MCP servers. MCP servers extend what the agent can do, letting teams plug in custom tools, internal APIs, or third-party services as first-class agent capabilities.

strengths · trade-offs

Strengths and trade-offs#

Strengths

MIT license with full source transparencyThe MIT license lets you fork, modify, and run Kilocode commercially without restriction. The full prompt, context window, and agent decisions are visible in the open source code. No silent model switching, no black boxes. You can audit every decision the agent makes.
Model flexibility across 500+ optionsMost paid coding tools restrict you to a curated set of models. Kilocode supports 500+ models including frontier, open-weight, and local options. You can run a lightweight model for autocomplete and a stronger model for architecture planning within the same session.
Autonomous CI/CD modeThe `kilo run --auto` command runs the agent fully autonomously with no confirmation prompts, designed for CI/CD pipelines. Teams can automate tasks like 'run tests and fix any failures' without human intervention in trusted environments.
3M+ active users and strong adoptionKilocode has more than 3 million users and has processed over 40 trillion tokens. The GitHub repository has over 26,900 stars with active development as recently as August 2026. Translations exist in 22 languages, indicating broad international adoption.

Trade-offs

-Large open issue backlogWith 580 open GitHub issues at the time of writing, the project carries a meaningful backlog from rapid growth. Some issues reflect feature requests; others are genuine bugs. Teams depending on stability for specific features should review the issue tracker before adopting them in production.
-Cloud agents and code review require a Kilo accountWhile the VS Code and JetBrains extensions and the CLI are fully usable with your own API keys, the cloud agents and automated code review features at app.kilo.ai require a Kilo account. This is a managed service layer on top of the open source core and does not apply to fully self-hosted setups.
-CLI is a fork of OpenCodeThe Kilo CLI was forked from OpenCode (the anomalyco/opencode project) and enhanced for the Kilo platform. Teams coming from OpenCode will recognize the lineage; it also means CLI-specific behavior and bugs may have upstream dependencies not fully under Kilo's control.

versus alternatives

kilocode vs alternatives#

Kilocode vs Cursor

Both are AI coding tools for VS Code, but they diverge on openness and pricing. Cursor is a proprietary fork of VS Code with AI built in; Kilocode is an open source extension that runs inside any VS Code-compatible editor and additionally supports JetBrains IDEs.

Feature	Kilocode	Cursor
License	MIT	Proprietary
Self-hosting	Yes	No
IDE support	VS Code, JetBrains, CLI, Cloud	VS Code fork only
Model pricing	Provider rate, zero markup	Subscription with model limits
Source transparency	Full	Closed

Kilocode is the better choice when you need JetBrains support, model flexibility across 500+ providers, or the ability to inspect and fork the agent's prompts and logic. Cursor is worth considering when you want a polished all-in-one coding editor experience with AI tightly embedded in the editor shell, and you are comfortable with a closed proprietary product.

Kilocode vs GitHub Copilot

GitHub Copilot is a subscription service tightly integrated with GitHub and several IDEs. Kilocode is MIT licensed and model-agnostic.

Feature	Kilocode	GitHub Copilot
License	MIT	Proprietary
Self-hosting	Yes	No
Model access	500+ models	GitHub-controlled roster
Agent modes	Code, Plan, Ask, Debug, Review	Limited agentic features
Pricing	Free (own keys) or gateway plan	$10-19/month per user

Kilocode wins on cost when you already have API keys and on model flexibility when you need to route different tasks to different providers. GitHub Copilot remains the simpler choice for teams already inside the GitHub ecosystem who want one-click setup with no API key management.

Kilocode vs Claude Code

Claude Code is Anthropic's own open source CLI agent, optimized for Claude models. Kilocode covers the same surfaces and adds more.

Feature	Kilocode	Claude Code
License	MIT	MIT
IDE support	VS Code, JetBrains, CLI, Cloud	CLI, VS Code
Model support	500+ models across providers	Claude models (primary)
JetBrains plugin	Yes	No
Cloud agents	Yes	No
Automated PR review	Yes	No

For teams committed to Claude models only, Claude Code is the reference implementation with the tightest Anthropic integration. Kilocode is the better choice when you need multi-provider access, JetBrains support, or cloud agents that run without a local machine.

install · quick start

Quick start#

bash

Install the Kilo CLI via npm, Homebrew, or curl for script-based setup.
```bash
npm install -g @kilocode/cli
brew install Kilo-Org/tap/kilo
curl -fsSL https://kilo.ai/cli/install | bash
```

tech stack · detected from GitHub

What it's built on#

Languages: KotlinTypeScript
Frameworks: React
Infrastructure: AWS
Tooling: VS Code

frequently asked

FAQ#

Is Kilocode free to use?

The VS Code extension, JetBrains plugin, and CLI are free to install and use with your own API keys. Kilo Auto Free is an account-based tier that provides gateway access with no credit card required. Paid plans exist for higher usage. The full source code is MIT licensed.

What IDEs and platforms does Kilocode support?

Kilocode supports VS Code and VS Code-compatible editors, JetBrains IDEs including IntelliJ, PyCharm, and WebStorm, and a standalone CLI. A cloud agent at app.kilo.ai runs without any local IDE or machine setup required.

Can Kilocode run local AI models?

Yes. Kilocode supports local models through its model configuration. You can point it at a locally running model server and keep all code and context on your own machine. This is useful for teams with data privacy requirements or air-gapped environments where no code should leave the network.

How does Kilocode compare to Claude Code?

Both are open source coding agents with CLI support, but Kilocode adds JetBrains IDE support, a cloud agent mode, automated PR code review, and access to 500+ models beyond Anthropic's catalog. Claude Code is Anthropic's own reference agent, optimized for Claude models. Kilocode is the better choice when you need multi-provider access, JetBrains support, or cloud agents.

Does Kilocode support Model Context Protocol (MCP)?

Yes. Kilocode includes an MCP marketplace for discovering and connecting MCP servers. MCP servers extend the agent with custom tools, internal APIs, or third-party integrations, and are a core part of how teams extend Kilocode for their specific workflows.

Looking for more

Other ways to replace Cursor, GitHub Copilot and Claude Code#

OpenCode

#1 in the Claude Code guide

Broad provider and model choice in a terminal-first client, MIT-licensed with AGENTS.md instructions

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oh-my-pi

#2 in the Claude Code guide

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Goose

#4 in the Claude Code guide

ACP subscription bridge that reuses an existing Claude Code or ChatGPT subscription

55,465

codex

#5 in the Claude Code guide

ChatGPT-plan access with first-party Claude Code session import

130,162

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Kilocode vs Cursor

Feature	Kilocode	Cursor
License	MIT	Proprietary
Self-hosting	Yes	No
IDE support	VS Code, JetBrains, CLI, Cloud	VS Code fork only
Model pricing	Provider rate, zero markup	Subscription with model limits
Source transparency	Full	Closed

Kilocode vs GitHub Copilot

GitHub Copilot is a subscription service tightly integrated with GitHub and several IDEs. Kilocode is MIT licensed and model-agnostic.

Feature	Kilocode	GitHub Copilot
License	MIT	Proprietary
Self-hosting	Yes	No
Model access	500+ models	GitHub-controlled roster
Agent modes	Code, Plan, Ask, Debug, Review	Limited agentic features
Pricing	Free (own keys) or gateway plan	$10-19/month per user

Kilocode vs Claude Code

Claude Code is Anthropic's own open source CLI agent, optimized for Claude models. Kilocode covers the same surfaces and adds more.

Feature	Kilocode	Claude Code
License	MIT	MIT
IDE support	VS Code, JetBrains, CLI, Cloud	CLI, VS Code
Model support	500+ models across providers	Claude models (primary)
JetBrains plugin	Yes	No
Cloud agents	Yes	No
Automated PR review	Yes	No

Who kilocode is for#

Developers switching from Cursor or GitHub Copilot

Skip if:

Engineering teams running agents in CI/CD

Skip if:

Developers building with multiple AI providers

Skip if:

Open source teams wanting self-hosted AI coding tools

Skip if:

The problem it solves#

How it solves it#

500+ model roster with zero markup

Specialized agent modes

Auto Model routing

Cross-surface support: VS Code, JetBrains, CLI, and Cloud

Terminal and browser control

MCP marketplace for extensions

Strengths and trade-offs#

Strengths

Trade-offs

kilocode vs alternatives#

Kilocode vs Cursor

Kilocode vs GitHub Copilot

Kilocode vs Claude Code

Quick start#

What it's built on#

FAQ#

Other ways to replace Cursor, GitHub Copilot and Claude Code#

Open source tools in these categories#

Developer Tools

AI & Machine Learning

Web Development

Cloud & Hosting

Find open source alternatives to paid software

Who kilocode is for#

Developers switching from Cursor or GitHub Copilot

Skip if:

Engineering teams running agents in CI/CD

Skip if:

Developers building with multiple AI providers

Skip if:

Open source teams wanting self-hosted AI coding tools

Skip if:

The problem it solves#

How it solves it#

500+ model roster with zero markup

Specialized agent modes

Auto Model routing

Cross-surface support: VS Code, JetBrains, CLI, and Cloud

Terminal and browser control

MCP marketplace for extensions

Strengths and trade-offs#

Strengths

Trade-offs

kilocode vs alternatives#

Kilocode vs Cursor

Kilocode vs GitHub Copilot

Kilocode vs Claude Code

Quick start#

What it's built on#

FAQ#

Other ways to replace Cursor, GitHub Copilot and Claude Code#

Open source tools in these categories#

Developer Tools

AI & Machine Learning

Web Development

Cloud & Hosting

Find open source alternatives to paid software