OpenAI Daybreak Blue

Launching Health in ChatGPT

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]

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