AI researcher Andrej Karpathy argues that programming has fundamentally changed over the last two months, particularly since December when coding agents started actually working. Developers are shifting from writing code to directing and managing AI agents in parallel.
OpenAIDevs posted on 2026-02-24 that GPT-5.3-Codex is now available for all developers in the Responses API. The announcement moves API access from a staged rollout to general developer availability.
A Hacker News discussion highlights arXiv:2602.11988, which finds that repository context files like AGENTS.md often reduced coding-agent task success while increasing inference cost by more than 20%.
A LocalLLaMA discussion of SWE-rebench January runs reports close top-tier results, with Claude Code leading pass@1 and pass@5 while open models narrow the gap.