Codex Drops Summary Compaction for Fresh Context Windows
Three merged openai/codex pull requests swap lossy summary compression for a fresh context window, plus history and notes tools models can query on demand.
Codex News and Analysis
20 verified stories covering Codex, product updates and industry developments.
OpenAI Ties Codex Rate Limits to Subscription Reselling
OpenAI says the latest Codex rate-limit spikes trace back to sub2api-style subscription reselling, and warns the practice will keep getting flagged.
OpenAI Lifts ARC Score to 38.3%
OpenAI says GPT-5.6 Sol’s ARC-AGI-3 public-set score rose from 13.3% to 38.3% after retaining reasoning and enabling compaction.
Codex folds into the new ChatGPT desktop
Codex folds into the new ChatGPT desktop is reframed for global technology readers, with the key numbers, product claims and open questions kept intact.
Codex learns repeated tasks from one recording
Record & Replay in the Codex desktop app turns a demonstrated workflow into an editable SKILL.md, extending agent automation beyond code into office routines.
OpenAI buys Ona to strengthen Codex cloud workspaces
The acquisition adds cloud development infrastructure to Codex, tightening OpenAI’s push from coding assistant toward full software production workflows.
OpenAI acquires Ona to deepen Codex infrastructure
OpenAI’s purchase of the Gitpod-linked cloud sandbox company points Codex toward managed development environments, not just code suggestions.
OpenAI pushes Codex beyond programmers into every office role
New role plugins, Sites and annotations turn Codex from a coding assistant into a broader workflow tool for non-developers.
OpenAI brings GPT-5.5, GPT-5.4 and Codex to AWS Bedrock
AWS made GPT-5.5, GPT-5.4 and Codex generally available on Amazon Bedrock, giving enterprises a way to buy OpenAI models inside existing AWS budgets.
OpenAI Partners with Dell to Bring Codex On-Premises
OpenAI teams up with Dell to deploy Codex in local data centers and hybrid clouds, targeting regulated industries that cannot move data to the cloud.
OpenAI unifies ChatGPT and Codex under Brockman
OpenAI consolidates its product lines into a single agent platform led by Greg Brockman, ending side projects ahead of a potential IPO.
Codex comes to the ChatGPT mobile app
OpenAI added Codex controls to ChatGPT on iPhone, iPad and Android, letting users monitor and approve coding tasks away from the desktop.
OpenAI hardens Codex with a Windows sandbox
The new design uses separate Windows accounts, network policy and a command runner to make Codex isolation an operating-system boundary rather than an environment-variable promise.
OpenAI turns ChatGPT into a team automation platform, replacing custom GPTs
OpenAI has launched workspace agents, a new feature that replaces custom GPTs and turns ChatGPT from a chatbot into an autonomous team automation platform powered by the Codex model.
AI coding tools layer: Cursor orchestrates, Claude writes code, Codex reviews
In the first week of April 2026, Cursor v3, OpenAI's Codex plugin for Claude Code, and an emergent three-layer stack show that AI coding tools are diverging into specialized layers rather than converging into one.
OpenAI turns Codex into a desktop automation agent
OpenAI has updated Codex with background computer use, allowing it to operate other macOS apps autonomously while users continue working. The update also includes a built-in browser, image generation, over 90 new plugins, SSH access, and self-scheduling capabilities.
GPT-5.3 Codex Moves From Code Completion to Real-Time Collaboration
OpenAI's Codex has evolved from a code completion tool into a real-time collaborative coding agent, with new Spark and Realtime modes, while also raising critical security concerns that prompted industry-wide reassessment.
OpenAI Shifts Codex Billing to Per-Seat, Usage-Based Model
OpenAI has introduced usage-based billing for dedicated Codex seats alongside a price cut for ChatGPT Business, signaling a push to mature AI coding tools for enterprise deployment.
GPT-5.4 merges Codex reasoning and Computer Use into one model
OpenAI's GPT-5.4 unifies advanced coding, reasoning, and computer control in a single architecture, ending the era of a separate programming model.
GPT-5.3 Codex Receives OpenAI's First High-Severity Security Rating
OpenAI's GPT-5.3 Codex model has been assigned the company's first "high" cybersecurity risk level under its internal safety assessment framework, prompting the deployment of the most comprehensive security protections to date.