Large language models

Introducing HELMET: Holistically Evaluating Long-context Language Models

Introducing GPT-4.1 in the API

Introducing GPT-4. 1 in the API—a new family of models with across-the-board improvements, including major gains in coding, instruction following, and long-context understanding.

Prototyping with canvas in ChatGPT

See how to go from a product requirements document to a working HTML/React prototype using canvas in ChatGPT.

Market research with ChatGPT

See how ChatGPT can plan, search, read sources, and compile a detailed research report to support market analysis.

Creating a contextual workspace in ChatGPT

Discover how ChatGPT Projects helps organize files, save context, and keep conversations consistent across workstreams.

Evaluating RAG with LLM as a Judge

Writing with canvas in ChatGPT

See how canvas in ChatGPT helps turn notes, transcripts, and rough drafts into polished writing.

Shipping code to your IDE with ChatGPT

See how ChatGPT can help move generated code into your IDE to speed up development workflows.

Vision and voice in ChatGPT

See how vision and voice in ChatGPT help teams work with multimodal inputs and communicate more naturally.

Strategic planning with ChatGPT

See how ChatGPT can support strategic planning by analyzing context, generating options, and turning decisions into next steps.

Welcome Llama 4 Maverick & Scout on Hugging Face

The NLP Course is becoming the LLM Course

Efficient Request Queueing – Optimizing LLM Performance

New funding to build towards AGI

Today we’re announcing new funding—$40B at a $300B post-money valuation, which enables us to push the frontiers of AI research even further, scale our compute infrastructure, and deliver increasingly powerful tools for the 500 million people who use ChatGPT every week.

🚀 Accelerating LLM Inference with TGI on Intel Gaudi

Training and Finetuning Reranker Models with Sentence Transformers

Introducing 4o Image Generation

At OpenAI, we have long believed image generation should be a primary capability of our language models. That’s why we’ve built our most advanced image generator yet into GPT‑4o.

Addendum to GPT-4o System Card: 4o image generation

4o image generation is a new, significantly more capable image generation approach than our earlier DALL·E 3 series of models. It can create photorealistic output.

Early methods for studying affective use and emotional well-being on ChatGPT

An OpenAI and MIT Media Lab Research collaboration.

Personalizing travel at scale with OpenAI

By integrating its data systems with OpenAI’s LLMs, Booking. com delivers smarter search, faster support, and intent-driven travel experiences.