What is Theia IDE?
Theia IDE is an open-source development environment that runs in the browser or on the desktop with built-in AI features. Developers can bring their own API key and connect cloud, self-hosted, or local LLMs, and it supports VS Code extensions without being a VS Code fork.
Key facts
- Pricing
- Open source
- Category
- Coding
- Website
- https://theia-ide.org/
- Listing updated
- Nov 13, 2026
Theia IDE FAQ
What is Theia IDE?
Theia IDE is an open-source development environment that runs in the browser or on the desktop with built-in AI features. Developers can bring their own API key and connect cloud, self-hosted, or local LLMs, and it supports VS Code extensions without being a VS Code fork.
What does Theia IDE cost?
Theia IDE pricing is listed as Open source.
What are alternatives to Theia IDE?
Coding alternatives to Theia IDE include GitHub Copilot, Together AI, Baseten, Straion, Cursor and Pinecone.
Alternatives to Theia IDE
GitHub CopilotThe premier AI pair programmer for software developers.$10 moTogether AIThe fastest cloud for fine-tuning open-source models.Usage-basedBasetenPlatform for AI model inference and trainingUsage-basedStraionManage rules and guardrails for AI coding agents.$49 moCursorAn AI-native code editor designed for pair programming.Free / $20 moPineconeA vector database for building high-performance AI applications.Free / Usage-based