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OpenAI News

New tools for building agents

Today, we’re releasing the first set of building blocks that will help developers and enterprises build useful and reliable agents. We view agents as systems that independently accomplish tasks on behalf of users. Over the past year, we’ve introduced new...

Models Agents

Models Agents

OpenAI News

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.

Models

Models

OpenAI News

GPT-4.5 system card

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

Models

OpenAI Models

OpenAI News

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.