Dev24 min reading time
2026 in LLMs (so far)
Simon Willison's Weblog
Read the full articleIn late 2025 and early 2026, significant improvements in AI coding agents were made with the release of Claude Opus 4.5 and GPT-5.1, making them reliable for daily use. Developers began exploring these capabilities extensively, marking a notable shift in practical AI applications.

- OpenAI DevDay 2026 Recap for Developers· InfoQ (AI, ML & Data)
- OpenAI’s new agent is a shot at Meta — but can it compete with free?· 2 sources
- GPT-6.1 Sol nearly matches the no-CoT performance of GPT-6 Astra· LessWrong
- OpenAI Unveils Always-On AI Agent Dots, New $500 Paid Tier· 26 sources
- Anthropic, OpenAI launches show shift toward multi-model enterprise AI· AI Business
- AI #187: Coming Into Play· Don't Worry About the Vase




