OpenAI Codex has launched a new IDE Extension integrating with VS Code and Cursor, enabling seamless local and cloud task handoff, sign-in via ChatGPT plans, upgraded CLI, and GitHub code review automation. Facebook AI researchers introduced StepWiser, a process-level reward model improving reasoning and training by chunk-by-chunk evaluation, achieving SOTA on ProcessBench.

Google DeepMind's Gemini 2.5 Flash Image model showcases advanced spatial reasoning, multi-image fusion, and developer tools including a browser extension for image remixing. NVIDIA revealed efficiency data on Nemotron-CC-Math (133B) and Jet-Nemotron models.