OpenAI

OpenAI helps Hyatt advance AI among colleagues

Hyatt deploys ChatGPT Enterprise across its global workforce, using GPT-5.4 and Codex to improve productivity, operations, and guest experiences.

20 Apr 2026

OpenAI: Partial System Outage

Status indicator: major. Partial System Outage

Date not specified

OpenAI: Users may encounter issue with ChatGPT Business after upgrade or adding new seats for up to an hour

OpenAI incident (investigating, none impact):

20 Apr 2026

OpenAI: Users unable to load ChatGPT, Codex and API Platform

OpenAI incident (monitoring, major impact):

20 Apr 2026

OpenAI: All Systems Operational

Status indicator: none. All Systems Operational

Date not specified

OpenAI launches GPT-Rosalind for life sciences research

OpenAI introduces GPT-Rosalind, a frontier reasoning model built to accelerate drug discovery, genomics analysis, protein reasoning, and scientific research workflows.

16 Apr 2026

Microsoft Codex expands to computer use and image generation

The updated Codex app for macOS and Windows adds computer use, in-app browsing, image generation, memory, and plugins to accelerate developer workflows.

16 Apr 2026

Codex App Updated: Computer Use, Browsing, Image Generation, and Plugins

The updated Codex app for macOS and Windows adds computer use, in-app browsing, image generation, memory, and plugins to accelerate developer workflows.

16 Apr 2026

Codex for (almost) everything

The updated Codex app for macOS and Windows adds computer use, in-app browsing, image generation, memory, and plugins to accelerate developer workflows.

16 Apr 2026

OpenAI expands cyber defense ecosystem with GPT-5.4-Cyber and $10M grants

Leading security firms and enterprises join OpenAI’s Trusted Access for Cyber, using GPT-5.4-Cyber and $10M in API grants to strengthen global cyber defense.

16 Apr 2026

OpenAI Responses API Streaming Error - Incident Resolved

OpenAI incident (resolved, minor impact):

16 Apr 2026

OpenAI expands cyber defense ecosystem with GPT-5.4-Cyber and $10M grants

Leading security firms and enterprises join OpenAI’s Trusted Access for Cyber, using GPT-5.4-Cyber and $10M in API grants to strengthen global cyber defense.

16 Apr 2026

OpenAI launches GPT-Rosalind for life sciences research

OpenAI introduces GPT-Rosalind, a frontier reasoning model built to accelerate drug discovery, genomics analysis, protein reasoning, and scientific research workflows.

16 Apr 2026

OpenAI Agents SDK: Native Sandbox & Model-Native Harness Released

OpenAI updates the Agents SDK with native sandbox execution and a model-native harness, helping developers build secure, long-running agents across files and tools.

15 Apr 2026

The next evolution of the Agents SDK

OpenAI updates the Agents SDK with native sandbox execution and a model-native harness, helping developers build secure, long-running agents across files and tools.

15 Apr 2026

OpenAI Agents SDK evolves with native sandbox execution

OpenAI updates the Agents SDK with native sandbox execution and a model-native harness, helping developers build secure, long-running agents across files and tools.

15 Apr 2026

OpenAI Service Restored — Performance Issues Resolved

Status changed from "minor" to "none". All Systems Operational

Date not specified

ChatGPT FedRAMP workspaces unavailable — critical incident resolved

OpenAI incident (resolved, critical impact):

15 Apr 2026

OpenAI launches GPT-5.4-Cyber for Trusted Access program

OpenAI expands its Trusted Access for Cyber program, introducing GPT-5.4-Cyber to vetted defenders and strengthening safeguards as AI cybersecurity capabilities advance.

14 Apr 2026

OpenAI launches GPT-5.4-Cyber for Trusted Access program

OpenAI expands its Trusted Access for Cyber program, introducing GPT-5.4-Cyber to vetted defenders and strengthening safeguards as AI cybersecurity capabilities advance.

14 Apr 2026