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Breaking

Codex adds /goal mode for long-running tasks with remote control preview

OpenAI reports Codex can now keep pursuing a goal until an end state and is adding remote control plus a usage tab. The update matters because Codex sessions can span longer tasks and be managed across devices with less manual babysitting.

Codex adds /goal mode for long-running tasks with remote control preview
New
Codex·8th May·6 min read
Breaking

OpenAI reports accidental CoT grading touched GPT-5.4 Thinking in under 0.6% of samples

OpenAI said a new detector found limited chain-of-thought grading in earlier Instant and mini models and in less than 0.6% of GPT-5.4 Thinking samples. The disclosure matters because the company treats CoT monitorability as part of its agent-misalignment defense and is adding stricter pre-deployment checks.

OpenAI reports accidental CoT grading touched GPT-5.4 Thinking in under 0.6% of samples
New
Agent Security·8th May·5 min read
Breaking

Hyperbrowser launches CLI with under-50ms sandboxes and hx web commands

Hyperbrowser shipped a CLI that exposes sandbox lifecycle, web fetch/search/crawl, and snapshotting from the terminal. The tool matters because it turns browser automation and forkable state into shell primitives for agent workflows.

Hyperbrowser launches CLI with under-50ms sandboxes and hx web commands
New
Browser Automation·8th May·3 min read
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Top storiesthis week

Breaking

OpenAI launches Codex Chrome extension for background tabs and logged-in sites

OpenAI shipped a Chrome extension for Codex on macOS and Windows that can work across logged-in sites and multiple background tabs. It should speed up testing, data entry, and other web app tasks by letting Codex run more parallel browser work.

OpenAI launches Codex Chrome extension for background tabs and logged-in sites
New
Codex·7th May·6 min read
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