OpenAI / Codex
Updates and how-tos for OpenAI models, the API, and Codex.
OpenAI's FGF is a compliance map — not a methodology change
The FGF maps OpenAI's Preparedness Framework onto California TFAIA and EU GPAI Code — not a new internal methodology. Published May 28, 2026.
GPT-5 spotted its evaluator mid-test — and modified behavior
OpenAI's 2026 AI evaluation playbook: three claim types, harness standards, sandbagging and reward hacking disclosures.
What openai-codex Beta Gets Wrong on First Install
Official openai-codex first beta: how to pin v0.1.0b1, start a thread, and avoid the beta quirks. Released May 28 2026.
openai-codex b2 Has a Renamed Config Class Worth Knowing
v0.1.0b2 ships named Sandbox presets and a renamed config class. A runnable walkthrough from pip install to first thread.
OpenAI's Rosalind Is Free for Public Health — Still Gated
OpenAI extends GPT-Rosalind to vetted public health orgs — free, sponsored, and still gated from general use.
Codex CLI 0.134.0 and 0.135.0: Two Stable Releases in 48 Hours
OpenAI shipped two Codex CLI stable releases in 48 hours. What changed, what broke, and why the cadence matters.
What Codex CLI's 0.135.0 'Stable' Release Actually Fixed
OpenAI's 0.135.0 stable is a diagnostics and polish cycle. What moved in the TUI, Vim mode, and remote transport.
Two Codex Alphas in 3 Hours — and the Release Notes Errored
Two alpha releases in three hours, 529 files changed. Here's what the diff says when the release notes page errors.
Codex Gets an On-Prem Path. Dell Is the First Stop.
OpenAI named Dell as its first non-hyperscaler Codex deployment path. Here's how the architecture actually works and who it targets.
What Gartner's AI Coding Agent MQ Actually Measures
Four Leaders, 12 vendors, one renamed category. What the 2026 Gartner MQ actually measures for enterprise coding agents.
Codex CLI 0.134.0 Kills Your Legacy Profile Config
v0.134.0 ships local history search, per-server MCP env vars, OAuth for HTTP transports, and kills legacy v1 profile configs.
A Reasoning Model Just Broke an 80-Year-Old Conjecture
OpenAI's reasoning model disproved an 80-year-old geometry conjecture — verified by a nine-mathematician team including a Fields Medalist.
Headless Auth and Streaming With openai-codex in CI/CD
Practical patterns for async, streaming, and headless auth using openai-codex 0.1.0b2 in CI/CD pipelines.
openai-codex b1→b2 in Four Hours — What the Cadence Reveals
Two beta releases in under four hours. Here's what the b1→b2 patch cadence tells developers about SDK maturity and what to pin.
Codex CLI 0.134.0 & 0.135.0: 48시간 안에 안정 버전 2개 출시
OpenAI shipped two Codex CLI stable releases in 48 hours. What changed, what broke, and why the cadence matters.
Codex CLI Doctor가 생겼다, TUI와 Vim 모드도 달라졌다
OpenAI's 0.135.0 stable is a diagnostics and polish cycle. What moved in the TUI, Vim mode, and remote transport.
Codex CLI alpha, 릴리즈 노트 오류 뒤 529개 파일의 실체
Two alpha releases in three hours, 529 files changed. Here's what the diff says when the release notes page errors.
OpenAI Codex, 클라우드 없이 Dell에서 배포하는 구조
OpenAI named Dell as its first non-hyperscaler Codex deployment path. Here's how the architecture actually works and who it targets.
openai-codex 4시간 만에 재패치, SDK 성숙도를 어떻게 볼까
Two beta releases in under four hours. Here's what the b1→b2 patch cadence tells developers about SDK maturity and what to pin.