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OpenAI News

Blue J’s approach for scaling fast in complex, regulated domains

Discover how Blue J is transforming tax research with AI-powered tools built on GPT-4.1. By combining domain expertise with Retrieval-Augmented Generation, Blue J delivers fast, accurate, and fully-cited tax answers—trusted by professionals across the US,...

Topics: Models

Entities: Models

OpenAI News

Introducing GPT‑5 for developers

Introducing GPT-5 in our API platform—offering high reasoning performance, new controls for devs, and best-in-class results on real coding tasks.

Topics: Models

Entities: Models

OpenAI News

GPT-5: Our best model for work

Watch a GPT-5 demo for work showing how the model can analyze feedback, create a product plan and prototype, and summarize next steps.

Topics: Models

Entities: Models

OpenAI News

GPT-5 System Card

This GPT-5 system card explains how a unified model routing system powers fast and smart responses using gpt-5-main, gpt-5-thinking, and lightweight versions like gpt-5-thinking-nano, optimized for different tasks and developer use.

Topics: Models

Entities: Models