GitHub Copilot

ReleaseMicrosoft AI launches seven MAI models led by MAI-Thinking-1

On 2 June 2026 Mustafa Suleyman announced seven new in-house MAI models at Microsoft Build, led by the reasoning model MAI-Thinking-1. The group also included coding, image, transcription and voice models, and a healthcare collaboration with Mayo Clinic.

ReleasexAI releases Grok Code Fast 1 for agentic coding

On 28 August 2025 xAI released Grok Code Fast 1, a fast reasoning model for agentic coding. It launched free for a limited time inside several popular coding tools.

ReleaseAnthropic launches Claude Opus 4 and Claude Sonnet 4

On 22 May 2025 Anthropic launched Claude Opus 4 and Claude Sonnet 4, hybrid models with extended thinking and tool use. Anthropic called Opus 4 the world's best coding model, and Claude Code became generally available the same day.

ReleaseGitHub Copilot coding agent enters public preview

On 19 May 2025 GitHub opened a public preview of a Copilot coding agent: assign it an issue and it works in a GitHub Actions-powered cloud environment, changes code, runs the project's tests and linter, then hands back a pull request for review.

ReleaseGitHub Copilot agent mode and MCP support roll out to all VS Code users

On 4 April 2025 GitHub released Copilot agent mode and MCP support to all VS Code users, letting the assistant take actions, propose commands and call external tools, with a 56.0% pass rate reported on SWE-bench Verified.

ReleaseGitHub Copilot Workspace enters technical preview

On 29 April 2024 GitHub opened the technical preview of Copilot Workspace, a task-centric environment where a repository, issue or pull request becomes an editable plan and code, with the developer keeping control.

FundingMicrosoft announces a multibillion-dollar extension of its OpenAI partnership

On 23 January 2023 Microsoft announced a multiyear, multibillion-dollar extension of its OpenAI partnership, making Azure OpenAI's exclusive cloud for all OpenAI workloads.

ReleaseGitHub Copilot becomes generally available to individual developers

On 21 June 2022 GitHub made Copilot generally available to individual developers at 10 US dollars a month, after a preview that drew more than 1.2 million developers. It marked the arrival of an AI coding assistant inside mainstream editors.

ReleaseOpenAI opens Codex to developers in its API

On 10 August 2021 OpenAI released an improved Codex, a GPT model fine-tuned on public code, through its API in private beta. The model powered GitHub Copilot and came with the new HumanEval benchmark.

ReleaseGitHub Copilot technical preview is announced

On 29 June 2021 GitHub announced GitHub Copilot as a technical preview, an AI pair programmer that suggests lines and whole functions as developers write code. It was powered by OpenAI Codex.