Open-source AI coding agent for VS Code and JetBrains. Access 500+ models at no markup, bring your own API keys, or deploy cloud agents in minutes. Free core product.
Kilo is an open-source AI coding agent that works inside VS Code, JetBrains IDEs, and the command line. It connects to over 500 AI models with no markup on inference costs, and lets you bring your own API keys or use Kilo's managed gateway. The core product is free. You pay for the AI you use, nothing more.
The company was founded by Sid Sijbrandij, who co-founded GitLab and led it for years before it went public. His co-founder Scott Breitenother built and sold Brooklyn Data, a data consultancy. That's a team that knows developer tooling and understands what engineering organizations actually need. The company raised $8 million in seed funding from General Catalyst, Cota Capital, and others, and has grown to 2.3 million users while processing over 25 trillion tokens since launch.
**The model flexibility is the core pitch.** Most AI coding tools tie you to one provider's models and pricing. Kilo runs on 500+ models through its gateway at zero markup, covers OpenRouter, and supports local models via Ollama or LM Studio. If you have your own API keys for Claude, GPT-4, or Gemini, you plug them in and the tool routes through your account. There are no surprise bills from Kilo itself; your costs are exactly what the model providers charge.
The agent modes are genuinely differentiated. Code mode handles implementation, Architect mode plans before touching files, Debug mode reads error traces and proposes targeted edits, and custom modes let teams define their own workflows. Cloud Agents (KiloClaw) take this further by running hosted agents 24 hours a day without requiring a local machine, and the deployment takes under five minutes with no Docker or SSH involved. Kilo also integrates with Telegram, Discord, and Slack, so agents can receive instructions or post updates outside the IDE.
The honest limitations are real. Kilo is younger than Cursor and it shows in the day-to-day UX. There is no tabbed interface for running multiple tasks simultaneously, which creates friction during active development. A known bug causes file creation to shift screen focus unexpectedly, interrupting code review. Users report context drift on long sessions and occasional inconsistencies in provider routing. **The tool rewards developers who invest time in learning its orchestration model;** it is not as immediately approachable as more polished alternatives.
For teams that want model independence, cost transparency, JetBrains support, and the option to run everything locally, Kilo is the most capable open-source option in the space. For developers who prioritize polish and want something that works well out of the box, the trade-offs are worth understanding before committing.
| Pros (The Wins) | Cons (The Friction) | | :--- | :--- | | **Open Source:**<br>Apache-2.0 license, fully<br>transparent, community-driven. | **UX Polish:**<br>Younger product with rougher<br>edges than Cursor or Copilot. | | **500+ Models:**<br>Zero markup on inference;<br>BYOK or managed gateway. | **No Tab View:**<br>Can't run multiple tasks<br>in parallel without losing context. | | **JetBrains Support:**<br>Works in IntelliJ, PyCharm,<br>WebStorm — rare among competitors. | **Context Drift:**<br>Long sessions can lose<br>coherence on big refactors. | | **Cloud Agents:**<br>24/7 hosted agents deployed<br>in under 5 minutes. | **Learning Curve:**<br>Orchestration and prompt<br>guardrails take time to master. | | **Privacy Options:**<br>Run fully local via Ollama<br>with no data leaving your machine. | **Provider Routing:**<br>Occasional bugs send requests<br>to wrong model accounts. |
4655
2026-06-15
Medium confidence based on currently stored pricing metadata.
Kilo is listed as a Productivity tool on AimostAll.
License model: Freemium. Pricing label: Freemium.
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Open-source AI coding agent for VS Code and JetBrains. Access 500+ models at no markup, bring your own API keys, or deploy cloud agents in minutes. Free core product.
Kilo is listed on AimostAll as freemium with a pricing label of Freemium.
Use the alternatives section below or browse the wider productivity category to compare similar tools.