Ulysses Sequence Parallelism: Training with Million-Token Contexts

LeRobot v0.5.0: Scaling Every Dimension

Codex Security: now in research preview

Codex Security is an AI application security agent that analyzes project context to detect, validate, and patch complex vulnerabilities with higher confidence and less noise.

How Descript engineers multilingual video dubbing at scale

Using OpenAI reasoning models, Descript unlocked automatic localization of large content libraries without losing timing or meaning.

How Balyasny Asset Management built an AI research engine

By combining rigorous model evaluation, full-platform use of OpenAI, and agent workflows, Balyasny is reinventing investment research.

Partnering with Mozilla to improve Firefox’s security

Partnering with Mozilla to improve Firefox’s security

Bringing Robotics AI to Embedded Platforms: Dataset Recording, VLA Fine‑Tuning, and On‑Device Optimizations

Introducing GPT-5.4

Introducing GPT-5.4, OpenAI’s most most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and 1M-token context.

Reasoning models struggle to control their chains of thought, and that’s good

OpenAI introduces CoT-Control and finds reasoning models struggle to control their chains of thought, reinforcing monitorability as an AI safety safeguard.

GPT-5.4 Thinking System Card

Ensuring AI use in education leads to opportunity

OpenAI shares new tools, certifications, and measurement resources to help schools and universities close AI capability gaps and expand opportunity.

Introducing the Adoption news channel

Practical insights and frameworks to turn AI progress into business advantage

Introducing ChatGPT for Excel and new financial data integrations

OpenAI introduces ChatGPT for Excel and new financial app integrations, powered by GPT-5.4 to accelerate modeling, research, and analysis in regulated environments.

The five AI value models driving business reinvention

Five AI value models show how leaders can sequence AI from workforce fluency to process reinvention and build durable business advantage.

VfL Wolfsburg turns ChatGPT into a club-wide capability

By focusing on people, not pilots, the Bundesliga club is scaling efficiency, creativity, and knowledge—without losing its football identity.