Large language models

Designing AI agents to resist prompt injection

How ChatGPT defends against prompt injection and social engineering by constraining risky actions and protecting sensitive data in agent workflows.

Improving instruction hierarchy in frontier LLMs

IH-Challenge trains models to prioritize trusted instructions, improving instruction hierarchy, safety steerability, and resistance to prompt injection attacks.

New ways to learn math and science in ChatGPT

ChatGPT introduces interactive visual explanations for math and science, helping students explore formulas, variables, and concepts in real time.

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.

GPT-5.4 Thinking System Card

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.

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.

Extending single-minus amplitudes to gravitons

A new preprint extends single-minus amplitudes to gravitons, with GPT-5. 2 Pro helping derive and verify nonzero graviton tree amplitudes in quantum gravity.

Gemini 3.1 Flash-Lite: Built for intelligence at scale

Gemini 3. 1 Flash-Lite is our fastest and most cost-efficient Gemini 3 series model yet.

GPT-5.3 Instant: Smoother, more useful everyday conversations

GPT-5.3 Instant System Card

Mixture of Experts (MoEs) in Transformers

A Dream of Spring for Open-Weight LLMs: 10 Architectures from Jan-Feb 2026

A Round Up And Comparison of 10 Open-Weight LLM Releases in Spring 2026

GGML and llama.cpp join HF to ensure the long-term progress of Local AI

Gemini 3.1 Pro: A smarter model for your most complex tasks

3. 1 Pro is designed for tasks where a simple answer isn’t enough.

A new way to express yourself: Gemini can now create music

The Gemini app now features our most advanced music generation model Lyria 3, empowering anyone to make 30-second tracks using text or images.

GPT-5.2 derives a new result in theoretical physics

A new preprint shows GPT-5. 2 proposing a new formula for a gluon amplitude, later formally proved and verified by OpenAI and academic collaborators.

Introducing Lockdown Mode and Elevated Risk labels in ChatGPT

Introducing Lockdown Mode and Elevated Risk labels in ChatGPT to help organizations defend against prompt injection and AI-driven data exfiltration.

Scaling social science research

GABRIEL is a new open-source toolkit from OpenAI that uses GPT to turn qualitative text and images into quantitative data, helping social scientists analyze research at scale.

Custom Kernels for All from Codex and Claude