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codex

A collection of 228 posts

Codex Exposes Safety Buffering and Context Compaction as Runtime State

Codex Exposes Safety Buffering and Context Compaction as Runtime State

The most important Codex updates this morning are not new buttons, model names, or demo-friendly tricks. They are the kind of runtime plumbing users only notice when it fails: a safety review state that used to look like a hung agent, and a context-management escape hatch that admits automatic compaction

Codex Alpha 10 Moves Sandbox Policy and Notebook-Style State Out of the Prompt Box

Codex Alpha 10 Moves Sandbox Policy and Notebook-Style State Out of the Prompt Box

The interesting thing about OpenAI Codex 0.142.0-alpha.10 is not that the release body says almost nothing. That is normal for these alpha drops. The interesting thing is what the compare view says when you stop treating coding agents as chat boxes and start treating them as distributed

Codex Starts Giving Context Windows Provenance, Not Just Token Counts

Codex Starts Giving Context Windows Provenance, Not Just Token Counts

Token counters are table stakes now. The more interesting question is whether a coding agent can explain how it arrived at the context it is using after compaction, rollback, resume, and a few long-running tool sessions have rearranged the furniture. That is the useful read on OpenAI’s latest Codex

GitHub’s Qubot Shows Enterprise Agents Need Curated Context, Evals, and Boring SQL

GitHub’s Qubot Shows Enterprise Agents Need Curated Context, Evals, and Boring SQL

The most useful sentence in GitHub’s Qubot write-up is not the one about plain-language analytics. It is the part where the company admits that structured, curated context made the internal agent more accurate and three times faster at returning the right answer. That is the enterprise-agent story hiding under

Codex 0.142 Alpha Turns Multi-Agent Mode Into Runtime State

Codex 0.142 Alpha Turns Multi-Agent Mode Into Runtime State

OpenAI’s latest Codex alpha is not trying to win a demo. It is doing something less glamorous and more important: turning “multi-agent coding” from a product slogan into runtime state that can be identified, resumed, authorized, and audited. Codex 0.142.0-alpha.4 landed on June 19 with a

Copilot’s Token-Efficiency Post Admits the New Bottleneck: Agent Cost Is Runtime Behavior

Copilot’s Token-Efficiency Post Admits the New Bottleneck: Agent Cost Is Runtime Behavior

GitHub’s new token-efficiency post is framed as a helpful guide to making Copilot credits go further. Read more closely and it is something more useful: an admission that agent cost is now a runtime behavior problem. The bill is not determined only by which model you picked. It is