Anthropic releases its Agent Skills framework as an open standard, with Microsoft, OpenAI, Atlassian, and Figma already adopting the technology that teaches AI assistants to do specialized work.

See how GPT 5.2 handles OpenAI API calls and agent tasks, with slower replies than Opus 4.5, helping you choose the right coding model.

VS Code is a popular choice because it’s free, flexible with lots of extensions, and has built-in Git support, making it a ...