FIM Autocomplete at < 150ms: Tree-sitter, nomic Embeddings, and StarCoder2-3B on a Laptop

📰 Dev.to · Sourish Chakraborty

Build a fast autocomplete engine using Tree-sitter and StarCoder2-3B for an AI coding IDE

advanced Published 23 Jun 2026
Action Steps
  1. Install Tree-sitter for chunking code
  2. Use nomic-embed-text for embeddings generation
  3. Integrate Chroma for syntax highlighting
  4. Deploy StarCoder2-3B model for autocomplete predictions
  5. Optimize the engine for < 150ms response time
Who Needs to Know This

Developers and engineers working on AI-powered coding tools can benefit from this tutorial to create efficient autocomplete features

Key Insight

💡 Combining Tree-sitter chunking with StarCoder2-3B model can achieve fast and accurate autocomplete results

Share This
⚡️ Build a < 150ms autocomplete engine with Tree-sitter & StarCoder2-3B! 💻

Key Takeaways

Build a fast autocomplete engine using Tree-sitter and StarCoder2-3B for an AI coding IDE

Full Article

Step-by-step: build a < 150ms fill-in-the-middle autocomplete engine using Tree-sitter chunking, nomic-embed-text, Chroma, and StarCoder2-3B. Part 1 of building Dhi — the open-source AI coding IDE.
Read full article → ← Back to Reads

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