OpenAI and Hugging Face address security incident during model evaluation

Scientific computing in the age of agentic AI

Advertise in ChatGPT

The way GPT-5.6 fuses frontier intelligence with frontier efficiency – OpenAI

Enabling two settings tripled our scores on the ARC-AGI-3 benchmark

Advancing the price-performance frontier with GPT‑5.6

OpenAI serves more than one billion active users

Codex Micro

OpenAI Presence

Measuring reward-seeking by instilling contrastive beliefs

GPT-5.6

GPT‑Live

Safety and alignment in an era of long-horizon models

Core dump epidemiology: fixing an 18-year-old bug

GPT-5.6 Sol Ultra produces proof of the Cycle Double Cover Conjecture [pdf]

GPT‑Red: Unlocking Self-Improvement for Robustness

ChatGPT Work

Separating signal from noise in coding evaluations

Previewing GPT‑5.6 Sol: a next-generation model

OpenAI DayBreak – GPT-5.5-Cyber

OpenAI and Broadcom unveil LLM-optimized inference chip

Harness engineering: Leveraging Codex in an agent-first world

Using AI to improve a challenging reaction in medicinal chemistry

Patch the Planet: a Daybreak initiative to support open source maintainers

Codex for open source

Confidential submission of draft S-1 to the SEC

OpenAI to acquire Ona to expand Codex

OpenAI's June 2026 Report on Malicious Uses of AI [pdf]

PRC-linked influence operations are targeting AI debates in the US

Built to benefit everyone: our plan

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