OpenAI, Oracle, and SoftBank expand Stargate with five new AI data center sites

Addendum to GPT-5 system card: GPT-5-Codex

Teen safety, freedom, and privacy

GDPVal: Measuring the performance of our models on real-world tasks

OpenAI Grove

How People Use ChatGPT [pdf]

A joint statement from OpenAI and Microsoft

ChatGPT Developer Mode: Full MCP client access

Why language models hallucinate

Vijaye Raji to become CTO of Applications with acquisition of Statsig

GPT-realtime and Realtime API updates

GPT-5 System Card

GPT-5

Open models by OpenAI

GPT-5 System Card [pdf]

Providing ChatGPT to the U.S. federal workforce

Accelerating life sciences research

Introducing gpt-oss

OpenAI Releases GPT-5

OpenAI Progress

GPT-5 for Developers

ChatGPT Agent – EU Launch

ChatGPT agent: bridging research and action

Study mode

Stargate Norway

Building MCP servers for ChatGPT and API integrations

ChatGPT agent System Card [pdf]

OpenAI: A $50M fund to build with communities

Robots that learn

Updates to Advanced Voice Mode for paid users

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