Large language models

Shipping code faster with o3, o4-mini, and GPT-4.1

CodeRabbit uses OpenAI models to revolutionize code reviews—boosting accuracy, accelerating PR merges, and helping developers ship faster with fewer bugs and higher ROI.

Falcon-H1: A Family of Hybrid-Head Language Models Redefining Efficiency and Performance

Falcon-Arabic: A Breakthrough in Arabic Language Models

Gemini 2.5: Our most intelligent models are getting even better

Gemini 2. 5 Pro continues to be loved by developers as the best model for coding, and 2.

Our vision for building a universal AI assistant

We’re extending Gemini to become a world model that can make plans and imagine new experiences by simulating aspects of the world.

Falcon-Edge: A series of powerful, universal, fine-tunable 1.58bit language models.

The Transformers Library: standardizing model definitions

Personalize ChatGPT with custom instructions

See how custom instructions help personalize ChatGPT for your role, preferences, and work.

Vision Language Models (Better, faster, stronger)

Collaborate and write with GPT-4o

Explore how GPT-4o makes writing and collaboration more natural, helping teams draft, refine, and adjust tone faster.

Create on-brand visuals with image generation

See how ChatGPT image generation helps create branded visuals and product mockups from prompts, sketches, or uploaded images.

Connect internal knowledge from Google Drive

See how ChatGPT can connect to Google Drive to use internal knowledge and answer questions with relevant context.

The San Antonio Spurs use ChatGPT to scale impact on and off the court

Discover how the San Antonio Spurs are using custom GPTs to enhance fan engagement, streamline operations, and drive innovation across teams.

Sycophancy in GPT-4o: what happened and what we’re doing about it

We have rolled back last week’s GPT‑4o update in ChatGPT so people are now using an earlier version with more balanced behavior. The update we removed was overly flattering or agreeable—often described as sycophantic.

Introducing AutoRound: Intel’s Advanced Quantization for LLMs and VLMs

Welcoming Llama Guard 4 on Hugging Face Hub

New in ChatGPT for Business: April 2025

Watch hands-on demos of the lastest in ChatGPT for Business: o3, image generation, enhanced memory, and internal knowledge.

Introducing our latest image generation model in the API

Our latest image generation model is now available in the API via ‘gpt-image-1’—enabling developers and businesses to build professional-grade, customizable visuals directly into their own tools and platforms.

The Washington Post partners with OpenAI on search content

The Washington Post is partnering with with OpenAI to integrate news into ChatGPT, providing users with summaries, quotes, and direct links to original reporting.

Prefill and Decode for Concurrent Requests - Optimizing LLM Performance