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How Prompt Tuning Improved GPT-5.5 in VS Code
See how VS Code and OpenAI tested GPT-5.5 system prompt changes in a two-week experiment, cutting tool calls and tail-end token usage while speeding up edits.
July 6, 2026 Read post →
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Iterating faster with TypeScript 7
How the VS Code and TypeScript teams collaborated to adopt TypeScript 7 and speed up VS Code development
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What 50,000 Runs of a 5-Line Eval Taught Us
How AI coding models calibrate effort, token cost, and tool use on even the simplest task, and what that means for model selection and cost.
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Use your own language model key in VS Code
Learn how to use bring your own key (BYOK) in VS Code to add models from providers like Azure, Anthropic, Gemini, OpenAI, Huggingface, OpenRouter, or use a local model with Ollama, Foundry Local, and more.
June 18, 2026