OpenAI releases GPT-5.3-Codex, a frontier coding model that is 25% faster, sets new records on SWE-Bench Pro and Terminal-Bench 2.0, and was instrumental in creating itself.
Anthropic launches Claude Opus 4.6 featuring agent teams, adaptive thinking, 1M token context window, and state-of-the-art performance on Terminal-Bench 2.0 and Humanity's Last Exam.
Z.ai releases GLM-5, a 744B parameter open-source Mixture-of-Experts model purpose-built for agentic tasks, scoring 77.8% on SWE-bench Verified and 56.2% on Terminal-Bench 2.0.
OpenAI begins testing advertisements in ChatGPT for Free and Go tier users in the US, while Plus, Pro, Business, Enterprise, and Education plans remain ad-free.
Apple is reportedly planning to integrate OpenAI's GPT-5 into Apple Intelligence across iOS 26, iPadOS 26, and macOS Tahoe, with major implications for Siri and the broader Apple AI strategy.
DeepSeek releases V3.2 under MIT license with 671B MoE architecture, matching GPT-5 at one-tenth the cost and achieving gold-medal performance on IMO and IOI competitions.
