Open R1: Update #4

Open R1: Update #3

Open R1: Update #2

Open-R1: Update #1

Open R1: How to use OlympicCoder locally for coding

Introducing OpenAI o1

Open-R1: a fully open reproduction of DeepSeek-R1

vLLM V0 to V1: Correctness Before Corrections in RL

Putting RL back in RLHF

OpenAI o1 Contributions

OpenAI o1 Contributions

OpenAI o1 and new tools for developers

Introducing OpenAI o1, Realtime API improvements, a new fine-tuning method and more for developers.

Team update

We’d like to welcome the latest set of team members to OpenAI (and we’re still hiring!

OpenAI o1 System Card

This report outlines the safety work carried out prior to releasing OpenAI o1 and o1-mini, including external red teaming and frontier risk evaluations according to our Preparedness Framework.