Latest News

`LeRobotDataset:v3.0`: Bringing large-scale datasets to `lerobot`

Introducing upgrades to Codex

Codex just got faster, more reliable, and better at real-time collaboration and tackling tasks independently anywhere you develop—whether via the terminal, IDE, web, or even your phone.

How people are using ChatGPT

New research from the largest study of ChatGPT use shows how the tool creates economic value through both personal and professional use. Adoption is broadening beyond early users, closing gaps and making AI a part of everyday life.

Visible Watermarking with Gradio

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

This addendum to the GPT-5 system card shares a new model: GPT-5-Codex, a version of GPT-5 further optimized for agentic coding in Codex. GPT-5-Codex adjusts its thinking effort more dynamically based on task complexity, responding quickly to simple conversational queries or small tasks, while independently working for longer on more complex tasks.

Working with US CAISI and UK AISI to build more secure AI systems

OpenAI shares progress on the partnership with the US CAISI and UK AISI to strengthen AI safety and security.

Introducing the Palmyra-mini family: Powerful, lightweight, and ready to reason!

A joint statement from OpenAI and Microsoft

OpenAI and Microsoft sign a new MOU, reinforcing their partnership and shared commitment to AI safety and innovation.

Statement on OpenAI’s Nonprofit and PBC

OpenAI reaffirms its nonprofit leadership with a new structure granting equity in its PBC, enabling over $100B in resources to advance safe, beneficial AI for humanity.

Tricks from OpenAI gpt-oss YOU 🫵 can use with transformers

Fine-tune Any LLM from the Hugging Face Hub with Together AI

Jupyter Agents: training LLMs to reason with notebooks

Shipping smarter agents with every new model

Discover how SafetyKit leverages OpenAI GPT-5 to enhance content moderation, enforce compliance, and outpace legacy safety systems with greater accuracy .

mmBERT: ModernBERT goes Multilingual

A People-First AI Fund: $50M to support nonprofits

Applications are now open for OpenAI’s People-First AI Fund, a $50M initiative supporting U.S. nonprofits advancing education, community innovation, and economic opportunity. Apply by October 8, 2025, for unrestricted grants that help communities shape AI for the public good.

Why language models hallucinate

OpenAI’s new research explains why language models hallucinate. The findings show how improved evaluations can enhance AI reliability, honesty, and safety.

GPT-5 bio bug bounty call

OpenAI invites researchers to its Bio Bug Bounty. Test GPT-5’s safety with a universal jailbreak prompt and win up to $25,000.