Pricing: Freemium
Editor rating: 4.2/5
Updated: September 2026
Open-source VS Code AI coding agent with access to 500+ AI models, pay-as-you-go credits, and optional monthly Kilo Pass subscription.
Some links may be affiliate links. We may earn a small commission at no extra cost to you. Learn more
Editor-selected listing
Independent & reader-supported
Editor's Verdict
Official ReviewKilo Code provides meaningful flexibility for developers who want multi-model AI coding assistance embedded in VS Code without a single-provider subscription, backed by a pay-as-you-go credit model and an optional Kilo Pass subscription with approximately 50% bonus credits. The variable cost structure requires users to estimate usage ahead of time, and navigating 500-plus model options is most effective for developers who already have clear preferences about which AI models to use for which tasks.
4.2 / 5.0
Editor RatingReviewed by Sohail Akhtar
Lead Editor & Founder
Pros
What we like
- Access to over 500 AI models through a single VS Code extension removes the need to maintain multiple AI coding tool subscriptions or switch between different tools for different model preferences
- The pay-as-you-go credit model with no rate limiting means developers only pay for actual usage and never hit daily throttling limits that interrupt workflow during intensive coding sessions
- Open-source availability allows developers to inspect the codebase, contribute to the project, or configure direct API key access without routing through the Kilo Gateway
Cons
Limitations
- Pay-as-you-go pricing makes monthly costs variable and harder to predict compared to flat-rate AI coding subscriptions — developers with highly irregular usage patterns may find cost estimation more difficult than a fixed plan
- The breadth of 500-plus model options, while flexible, requires users to understand provider differences and model capabilities to make informed selections — users unfamiliar with the AI model landscape may find the choice set overwhelming without guidance
Pricing
| Plan | Details |
|---|---|
| Free | VS Code extension is free to install and open-source. Requires Kilo Gateway credits or own API keys for model usage. |
| Pay_as_you_go | Add Kilo Gateway credits and pay exact provider rates per token with no markup, no rate limits, and no subscription commitment. |
| Starter_pass | $19 per month (or less on annual billing). Receive $28.50 in monthly Kilo Gateway credits — approximately 50% bonus over direct credit purchases. |
| Pro_pass | $49 per month (or less on annual billing). Receive $73.50 in monthly Kilo Gateway credits. |
| Expert_pass | $199 per month (or less on annual billing). Receive $298.50 in monthly Kilo Gateway credits for high-volume professional usage. |
The Kilo Code VS Code extension is free to install and open-source. Model usage is charged via the Kilo Gateway at exact provider rates with no markup or rate limiting. The optional Kilo Pass subscription adds monthly credits at a bonus rate: Starter $19/month ($28.50 in credits); Pro $49/month ($73.50 in credits); Expert $199/month ($298.50 in credits). Annual billing reduces prices by approximately 16%. No subscription required — pay-as-you-go is always available.
What is Kilo Code?
Quick Summary
Kilo Code is an open-source AI coding extension for Visual Studio Code that integrates a chat-based agent interface directly into the editor, enabling developers to write, modify, debug, and execute code through natural language instructions without leaving their development environment. It provides access to over 500 AI models through the Kilo Gateway — including models from Anthropic, OpenAI, Google, and open-source providers — on a pay-as-you-go credit basis, with an optional Kilo Pass subscription for users who want a monthly credit allowance with a bonus. The extension is free to install, and users pay only for model usage at exact provider rates.
Kilo Code is an open-source AI coding extension for Visual Studio Code that adds an agentic chat interface to the editor, allowing developers to interact with AI models through natural language to write new code, modify existing files, run terminal commands, search the codebase, and debug issues. The extension connects to over 500 AI models via the Kilo Gateway — a routing layer that provides access to models from Anthropic, OpenAI, Google DeepMind, Mistral, and open-source providers — without rate limiting and at exact provider pricing. Users add credits to their Kilo account and consume them as they use models, paying only for actual token consumption rather than a flat subscription. The open-source codebase is available on GitHub for developers who prefer to configure their own model API keys directly. Kilo Code is used by software developers across experience levels who want AI assistance embedded in their existing VS Code workflow rather than using a separate browser-based AI tool. See similar solutions. Backend developers use it for code generation, function documentation, and test writing. Front-end developers use it to generate and iterate on UI components and styling. DevOps engineers use terminal command generation for scripting and automation tasks. The multi-file editing capability allows the agent to make related changes across multiple files in a codebase simultaneously — a common requirement in refactoring and feature implementation tasks that single-file completion tools cannot handle efficiently. Integration with MCP servers extends the agent's reach to external services and data sources Read our guide.
Read the full overviewShow less
Kilo Code's core usage model requires no subscription. Users install the extension for free and add Kilo Gateway credits, which are consumed at exact provider rates without markup or rate limiting. The optional Kilo Pass subscription provides a monthly credit bonus: the Starter plan at $19 per month provides $28.50 worth of credits; the Pro plan at $49 per month provides $73.50; and the Expert plan at $199 per month provides $298.50 — representing approximately 50% bonus value over direct credit purchases. See similar solutions. Annual billing reduces each plan's effective cost by approximately 16%. Kilo Pass is additive rather than required — users can always pay purely as they go without a subscription commitment Read our guide.
Associated Tags
VS Code AI extension, AI coding agent, code generation tool, AI developer tool, open-source coding AI, multi-model AI coding, AI pair programmer
Key Features
Chat-based coding agent in VS Code sidebar
Access to 500+ AI models via Kilo Gateway
Multi-file editing and codebase navigation
Terminal command execution from chat
MCP server integration for external services
Open-source extension with direct API key support
No rate limits on Kilo Gateway access
Target Audience
Who should use Kilo Code?
Software developers who want AI coding assistance integrated into VS Code with access to multiple AI model providers rather than a single-model subscriptionDevelopers who prefer pay-as-you-go pricing and want to control their AI spending based on actual usage rather than committing to a fixed monthly planTeams evaluating multiple AI models for different coding tasks and wanting the flexibility to switch between providers within a single toolBackend, frontend, and full-stack developers who need multi-file editing and terminal integration in addition to basic code completionOpen-source contributors and self-hosted infrastructure users who want to run the extension with their own API keys
Real Use Cases
How professionals leverage Kilo Code – AI Coding Agent for VS Code with Pay-As-You-Go Model Access
Discover practical workflows and real-world scenarios where Kilo Code delivers key solutions.
01
Asking the Kilo Code agent to implement a complete function from a natural language description, including writing unit tests and updating related files in the same operation
02
Switching between different AI models for different tasks within the same session — using a fast, low-cost model for quick edits and a more capable model for complex architecture decisions
03
Running a refactoring task across multiple files simultaneously, such as updating a shared type definition and propagating the changes to all dependent components
04
Generating shell scripts and terminal commands through the chat interface without leaving the VS Code editor during a DevOps or automation task
05
Connecting the agent to an MCP server to allow it to query an external database or API as part of a code generation or debugging workflow
06
Using the open-source extension with direct API keys from preferred providers instead of the Kilo Gateway, for developers who already manage their own model subscriptions
Best AI for Coding Free (2026): 9 Free Tiers, Real Limits
One free tier gives 180,000 completions a month. Another runs out in about three days.
Read the full comparison →Top Alternatives
Dedicated alternatives page →Freemium
BlackBox AI
BlackBox AI helps developers write code 10 times faster with intelligent code generation, completion, and debugging assistance.
Free
Magentic-One
Microsoft Research's open-source generalist multi-agent system with an Orchestrator directing four specialized sub-agents for web navigation, file handling, coding, and terminal execution.
Free Trial
Replit Agent
AI development agent that builds, writes, and deploys applications from text descriptions in 50+ languages.
Freemium
Ninja AI
Ninja AI provides access to 20+ AI models including GPT-5.2, Claude, and Gemini alongside autonomous agent automation for research, coding, and content tasks.
Frequently Asked Questions
What is Kilo Code?
Kilo Code is a free, open-source VS Code extension that adds an AI coding agent with access to over 500 AI models, enabling developers to write, modify, debug, and run code through natural language instructions directly in their editor.
Is Kilo Code free?
The VS Code extension is free to install. Model usage is charged via Kilo Gateway credits at exact provider rates. The optional Kilo Pass subscription provides monthly credit bonuses but is not required — pay-as-you-go is always available.
How does Kilo Code pricing work?
Users add credits to their Kilo account and consume them at exact AI provider rates with no markup or rate limits. The optional Kilo Pass subscription provides bonus credits: Starter $19/month for $28.50 in credits, Pro $49/month for $73.50, Expert $199/month for $298.50.
What AI models does Kilo Code support?
Kilo Code provides access to over 500 AI models via the Kilo Gateway, including models from Anthropic, OpenAI, Google, Mistral, and open-source providers. Developers can also use their own API keys directly.
Can Kilo Code edit multiple files at once?
Yes. Kilo Code's agent mode supports multi-file editing, allowing it to make related changes across multiple files in a codebase simultaneously — useful for refactoring, feature implementation, and type propagation tasks.
Who should use Kilo Code?
Kilo Code is best suited for VS Code users who want AI coding assistance with multi-model flexibility, pay-as-you-go pricing, multi-file editing capability, and terminal command integration — without committing to a single-provider AI subscription.