Microsoft's MAI-Code-1-Flash, a lightweight coding model for GitHub Copilot in VS Code, outperforms Claude Haiku 4.5 and GPT-5.4 Mini on code quality while using fewer tokens, according to aggregate d…
Microsoft and OpenAI partnered to tune the GPT-5.5 system prompt in VS Code, testing two variants that nudge the agent to explore less and validate sooner. The experiment, run over two weeks on live t…
Microsoft released Visual Studio Code 1.127 on June 24, 2026, featuring new agent customization views for configuring built-in and extension tools, support for user-allowed permissions in the integrat…
Microsoft's VS Code team published findings from 50,000 runs of a 5-line evaluation, revealing how AI coding models calibrate effort, token cost, and tool use. The blog also announced new features inc…
Microsoft released Visual Studio Code 1.126 on June 18, 2026, featuring updates to chat session list items with pixel spinners, a unified model customization picker, and inline renaming of chats in th…
The VS Code Eval Team ran a five-line evaluation task 50,974 times across 30 models over six months, revealing significant differences in how models handle a simple file-writing request. Model-A alway…
Microsoft announced at Build 2026 that VS Code now supports bring your own language model key (BYOK), allowing developers to use models from providers like Azure, Anthropic, OpenAI, or local models vi…
Microsoft released Visual Studio Code version 1.125 on June 10, 2026, introducing a folder picker for Agent Host sessions in multi-root windows and a new `/chronicle` command set for session history i…
GitHub Copilot engineers Ryan Caldwell and Bhavya U detailed recent improvements to token efficiency in the agentic harness, including extended prompt caching, tool search, and WebSocket connections, …
Microsoft released Visual Studio Code 1.123 on May 29, 2026, introducing the ability to hand off chat sessions to a standalone Agents window and to add area screenshots as chat context from the integr…
GitHub has detailed the coding harness powering GitHub Copilot in Visual Studio Code, a system that assembles context, exposes tools, and executes the agent loop to translate language model outputs in…