kitio.aiAdded Nov 5, 2026
OneCompiler
FreemiumOnline compiler for 110+ languages with a built-in coding agent
What is OneCompiler?
OneCompiler lets you write, run and share code in the browser across more than 110 languages, frameworks and databases with nothing to install. A coding agent in the editor reads your workspace, edits or creates files step by step and saves a checkpoint before each change.
The agent streams its edits into the open files with changed lines marked, and you can apply, reject or roll back each set of changes. It is available on the free plan with a default model, while paid plans add more daily credits and models from Anthropic, OpenAI and xAI.
Schools and companies can embed the editor and coding challenges into their own sites as an iframe, or call APIs from a backend to run code and fetch reports. Supported environments range from Python and Java to React, FastAPI, Spring Boot, MySQL and MongoDB.
Features
- 110+ languages and databases
- In-editor coding agent
- Checkpoints and rollback
- Embeddable editor
- Code execution API
Tags
Releases
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Organization
OneCompiler
Listed by kitio.ai · unverified owner
Pricing
- Pricing model
- Freemium
- Paid options from
- Not listed
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Pros and cons
Pros
- Runs code without any setup
- Agent available on the free plan
- Embeddable for teaching and hiring
Cons
- Paid plan prices not shown in the evidence
- Better models need daily credits
- Browser-only workspace
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Q&A
What is OneCompiler?
OneCompiler lets you write, run and share code in the browser across more than 110 languages, frameworks and databases with nothing to install. A coding agent in the editor reads your workspace, edits or creates files step by step and saves a checkpoint before each change.
Can I embed OneCompiler on my own website?
Yes. The editor and coding challenges can be embedded as an iframe, and there are APIs for running code from your backend.
Can I undo changes made by the OneCompiler agent?
Yes. Every agent change sits behind a checkpoint, so you can reject it or restore the earlier version.
How much does OneCompiler cost?
OneCompiler is freemium.
Is there a free version of OneCompiler?
Yes. OneCompiler has a free plan, and paid plans add more usage and features.
What are the main features of OneCompiler?
110+ languages and databases, In-editor coding agent, Checkpoints and rollback, Embeddable editor, Code execution API.
Who makes OneCompiler?
OneCompiler is made by OneCompiler.
What are the best alternatives to OneCompiler?
Popular alternatives include Daytona, Gemini CLI, KushoAI.