AI Coding
Codex can now control Windows apps as coding agents move onto the PC
OpenAI Codex added Windows Computer Use and remote control from mobile. The update expands coding agents from shells and repos into desktop apps.
AI Coding
Braintrust moved half its team to Codex as customer requests become preview branches
OpenAI’s Braintrust Codex case study shows a coding-agent operating loop that connects customer requests, tests, sandboxes, preview branches, and evals.
Industry & Policy
OpenAI says AI evals need harnesses, tools, and budgets
OpenAI published a frontier governance framework and third-party evaluation playbook. Agent scores now need harnesses, tools, and budgets attached.
Models & Research
OpenAI Sets ChatGPT Retirement Dates for o3 and GPT-4.5
OpenAI will remove GPT-4.5 and o3 from ChatGPT on separate sunset schedules. The API is unchanged, but teams should separate ChatGPT workflows from API model lifecycles.
AI Coding
OpenAI shows how Codex became an engineering backlog system
OpenAI published an internal Codex usage report. The practical signal is task queues, AGENTS.md, repo questions, migrations, tests, and incident triage.
Security & Safety
OpenAI launches Rosalind Biodefense as a trusted-access test for GPT-Rosalind
OpenAI has launched Rosalind Biodefense, pairing GPT-Rosalind, Codex life-science tooling, and trusted access for public-health defense work.
AI Coding
Fujitsu brings Claude to 100,000 staff and adds Codex to SI delivery
Fujitsu announced OpenAI and Anthropic collaborations on the same day, pointing to a multi-model SI strategy built around Claude, Codex, FDE, and enterprise controls.
Models & Research
OpenAI sets o3 and GPT-4.5 ChatGPT sunset dates
OpenAI updated GPT-5.5 Instant, removed Canvas from the GPT-5.5 ChatGPT path, and set ChatGPT-only sunset dates for o3 and GPT-4.5.
Security & Safety
Codex Can Reach Internal MCP Servers Through OpenAI Secure Tunnels
OpenAI Secure MCP Tunnel gives ChatGPT, Codex, Responses API, and AgentKit an outbound-only path to private MCP servers without public endpoints.
AI Coding
CodeGraph Hits 31.5k Stars With a Local Index for Cheaper Coding Agents
CodeGraph v0.9.7 tries to cut the repository-reading cost of Claude Code, Codex, Cursor, and other coding agents with a local code graph.
Models & Research
2.0% Violation Rate Turns AI Behavior Specs Into Auditable Contracts
A new paper turns Claude Constitution and OpenAI Model Spec into testable audit targets, showing how model policies are becoming benchmarks.
AI Coding
Codex now works on a locked Mac, and Goal mode redraws the agent boundary
OpenAI added Appshots, Goal mode GA, browser annotations, locked computer use, and admin analytics to Codex. The update shows coding agents becoming longer-running workers.