The important moves in artificial intelligence.

Welcome Gemma 3: Google's all new multimodal, multilingual, long context open LLM

New tools for building agents

Detecting misbehavior in frontier reasoning models

Frontier reasoning models exploit loopholes when given the chance. We show we can detect exploits using an LLM to monitor their chains-of-thought. Penalizing their “bad thoughts” doesn’t stop the majority of misbehavior—it makes them hide their intent.

Nubank elevates customer experiences with OpenAI

Nubank elevates customer experiences with OpenAI

Accelerating engineering cycles 20% with OpenAI

Accelerating engineering cycles 20% with OpenAI.

A Deepdive into Aya Vision: Advancing the Frontier of Multilingual Multimodality

1,000 Scientist AI Jam Session

OpenAI and nine national labs bring together leading scientists for first-of-its kind event.

Supporting sellers with enhanced product listings

Mercari leverages GPT-4o mini and GPT-4 to streamline selling, enhance product listings, and boost sales, transforming the online marketplace with features like AI Listing Support and Mercari AI Assistant.

OpenAI GPT-4.5 System Card

We’re releasing a research preview of OpenAI GPT‑4.5, our largest and most knowledgeable model yet.

Building an autonomous financial analyst with o1 and o3-mini

Endex builds the future of financial analysis, powered by OpenAI’s reasoning models.

HuggingFace, IISc partner to supercharge model building on India's diverse languages

Deep research System Card

This report outlines the safety work carried out prior to releasing deep research including external red teaming, frontier risk evaluations according to our Preparedness Framework, and an overview of the mitigations we built in to address key risk areas.