Models & Assistants
GPT-5.5 retires from ChatGPT, ChatGPT Work, and Codex on 14 October 2026
OpenAI has set 14 October 2026 as the hard retirement date for GPT-5.5 in ChatGPT, ChatGPT Work, and Codex. The API is unaffected.
Topic
Codex
35 posts about Codex from Simon Carter.
Developer Tools & APIs
OpenAI opens the Agents API in public beta: giving every developer the same managed harness that powers Codex
The Agents API public beta lets developers spin up long-running cloud agents using OpenAI's own orchestration infrastructure, at no extra fee.
Models & Assistants
GPT-6 Astra is now the default model for ChatGPT Work and Codex: here's what enterprise teams need to know
OpenAI's September 9 post sets GPT-6 Astra as the default for Work and Codex, with benchmark scores, case studies, and an admin-enable requirement.
Agents & Automation
Codex Remote is now generally available on all ChatGPT plans
Codex Remote reached GA on 25 June 2026, letting every paid ChatGPT subscriber start, steer, and approve Codex work from their phone via secure QR pairing.
Agents & Automation
OpenAI hits its automated research intern goal and sets its sights on a fully automated AI researcher by March 2028
OpenAI's research org now logs 3.1 agent-workdays per human workday. It hit its intern milestone and targets a full AI researcher by March 2028.
Models & Assistants
GPT-6 Astra is now available to all ChatGPT Plus, Pro, Business, and Enterprise users
GPT-6 Astra expands beyond its limited preview to all paid ChatGPT tiers, the OpenAI API, Azure, and AWS Bedrock: with faster computer use and new Codex note-keeping.
Developer Tools & APIs
GPT-5.4 and GPT-5.4 mini are now retired from Codex for ChatGPT-authenticated users
From 31 August 2026, GPT-5.4 and GPT-5.4 mini no longer work in Codex under ChatGPT sign-in. Here is what to do.
Consumer AI
ChatGPT's Computer History logs your Mac activity into a 48-hour timeline for AI context
OpenAI's opt-in Computer History feature builds a local 48-hour activity timeline on macOS so ChatGPT can pick up where you left off.
Workplace AI
OpenAI adds three role-specific plugins for ChatGPT Edu and launches a free Pro-level programme for academic researchers
OpenAI releases College Student, College Educator, and K: 12 Educator plugins for ChatGPT Edu, plus 12 months of free Pro access for researchers.
Developer Tools & APIs
Codex gets portable Agent Plugins, MCP 2026-07-28 support, and Bedrock caching
Codex v0.147.0 ships portable Agent Plugins with cross-catalog search, the latest MCP spec, Amazon Bedrock caching, and smarter approval workflows.
Developer Tools & APIs
Sign in with ChatGPT: OpenAI launches its first cross-platform identity system
OpenAI's 'Sign in with ChatGPT' beta lets users authenticate into Airtable, GitLab, HubSpot, Notion, Supabase, and Vercel directly from ChatGPT.
Developer Tools & APIs
GPT-5.4 and GPT-5.4 mini retire from Codex on 31 August 2026 for ChatGPT users
OpenAI is retiring GPT-5.4 and GPT-5.4 mini from Codex for ChatGPT-authenticated users on 31 August 2026. Here's what to do before the deadline.
Cloud & Infrastructure
OCI customers can now use Oracle Universal Credits for OpenAI models and Codex
Oracle Cloud Infrastructure customers can apply existing Universal Credits toward OpenAI frontier models and Codex, removing the need for a separate OpenAI contract.
Cloud & Infrastructure
GPT-5.5, GPT-5.4, and Codex are now generally available on Amazon Bedrock
OpenAI's frontier models and Codex coding agent hit GA on Amazon Bedrock, with IAM access, VPC isolation, CloudTrail logging, and pay-per-token billing.
Developer Tools & APIs
OpenAI's Secure MCP Tunnel lets private servers talk to ChatGPT without opening your firewall
OpenAI's GA Secure MCP Tunnel uses an outbound-only tunnel-client daemon so private MCP servers can serve ChatGPT, Codex, and the Responses API with no inbound firewall rules.
Agents & Automation
Codex Goal Mode is now generally available, and Appshots brings live app context to your threads
OpenAI ships Goal Mode GA across Codex app, IDE, and CLI, plus Appshots for macOS to capture any window as instant thread context.
Agents & Automation
OpenAI Acquires Ona to Give Codex a Persistent Cloud Brain for Multi-Day AI Tasks
OpenAI is acquiring Ona, the secure cloud execution startup, to let Codex run long-horizon agent tasks inside customer-controlled environments.
Agents & Automation
OpenAI is merging ChatGPT, Codex, and Atlas into one desktop superapp — here's what changes for your team
OpenAI is unifying ChatGPT, Codex, and its Atlas browser into a single desktop superapp with Canva and Booking.com integrations built in.
Agents & Automation
Codex is now in the ChatGPT mobile app — live sessions, approvals, and full project context from your phone
OpenAI brings Codex to iOS and Android, letting developers monitor, approve, and steer long-running coding sessions remotely across all plans.
Security & Governance
OpenAI Expands Daybreak: GPT-5.5-Cyber Goes Live, Codex Gets Vulnerability Scanning, and Patch the Planet Launches for Open Source
OpenAI's Daybreak cybersecurity platform adds GPT-5.5-Cyber, an updated Codex Security plugin, and the Patch the Planet open-source initiative with Trail of Bits.
Agents & Automation
ChatGPT Enterprise workspaces can now share Codex plugins by default
Plugin sharing is now on by default for eligible ChatGPT Enterprise workspaces in Codex, letting teams discover and install shared plugins from a workspace directory.
Agents & Automation
OpenAI Codex can now watch you work once and turn it into a reusable automation
Record & Replay for Codex lets macOS users demonstrate a workflow once, then packages it into an editable SKILL.md file Codex can replay with new inputs.
Developer Tools & APIs
Codex gets Chrome DevTools Protocol access in new Developer Mode
Codex's new Developer mode gives the agent controlled CDP access to profile JavaScript, inspect network traffic, and debug live browser state.
Developer Tools & APIs
Codex now imports your Claude Code setup — and it's built right into onboarding
OpenAI's latest Codex update adds guided migration from Claude Code and Claude Cowork, plus a revamped plugins screen with filters and keyboard navigation.
Agents & Automation
Codex's most powerful desktop features are now available in Europe, the UK, and Switzerland
Computer Use, the Chrome extension, Personalized Memory, and Chronicle have expanded to the EEA, UK, and Switzerland — with Memory off by default.
Agents & Automation
OpenAI lets Plus and Pro subscribers buy extra Codex usage credits, with optional auto top-up
ChatGPT Plus and Pro users can now purchase additional Codex usage credits beyond their plan limits, with an auto top-up option to keep work flowing.
Consumer AI
ChatGPT's Codex profile now shows your usage stats and lets you share a personal card
OpenAI has added activity insights and shareable profile cards to Codex, letting consumer ChatGPT users review and share their usage highlights.
Agents & Automation
Codex now asks what your job is — because one in five users isn't a developer
Codex expanded its onboarding with non-developer role choices so first-run suggestions match your actual job, as analysts and marketers hit 20% of users.
Business Apps & Low-Code
ChatGPT Sites: Codex Now Builds and Deploys Internal Web Apps for Business Teams
ChatGPT Sites lets Business and Enterprise teams ask Codex to build, deploy, and host full-stack internal web apps — no deployment pipeline needed.
Agents & Automation
OpenAI Codex Gets Six Role-Specific Plugins, a Sites Builder, and Smarter Annotations — All Without Writing a Line of Code
OpenAI expands Codex beyond developers with six role-specific plugins, interactive Sites, and in-place Annotations for business teams.
Agents & Automation
How OpenAI used Codex to build tax agents that fix their own mistakes
OpenAI's engineering blog details how Codex powers self-improving tax agents that processed 7,000 returns with up to 97% accuracy — a reusable blueprint for enterprise AI.
Agents & Automation
Codex for Windows Gets Computer Use and Mobile Remote Control, Plus GitHub Enterprise Server Integration
ChatGPT Enterprise's Codex app now supports Computer Use on Windows with iOS/Android remote handoff, and a new GitHub Enterprise Server template for on-prem code review.
Cloud & Infrastructure
OpenAI and Dell bring Codex to on-premises enterprise environments for the first time
OpenAI and Dell have partnered to deploy the Codex AI coding agent inside hybrid and on-prem enterprise infrastructure, a first for OpenAI.
Security & Governance
OpenAI Codex Security: An AI Agent That Finds, Validates, and Fixes Code Vulnerabilities
OpenAI's Codex Security is now in research preview for Enterprise, Business, and Pro users — an AI agent that scans code, confirms real vulnerabilities, and proposes fixes.
Agents & Automation
OpenAI's Codex desktop app turns you into a multi-agent supervisor
OpenAI's new Codex desktop app lets developers run and manage multiple AI coding agents in parallel, with built-in skills, automations, and Git support.