2015–2021 2015 Introducing OpenAI December 11, 2015 Announcements 2016 OpenAI Gym Beta April 27, 2016 Research 2016 Universe December 5, 2016 Research 2017 Proximal Policy Optimization July 20, 2017 Research, Milestones 2017 Dota 2 August 11, 2017 Research, OpenAI Five 2018 Preparing for Malicious Uses of AI February 20, 2018 Research 2018 OpenAI Charter April 9, 2018 Announcements, Milestones 2018 Learning Dexterity July 30, 2018 Research, Milestones 2019 Better Language Models and Their Implications February 14, 2019 Research, Milestones, GPT-2 2019 OpenAI LP March 11, 2019 Announcements 2019 OpenAI Five Defeats Dota 2 World Champions April 15, 2019 Research, OpenAI Five 2019 MuseNet April 25, 2019 Research, Milestones 2019 Microsoft Invests In and Partners with OpenAI to Support Us Building Beneficial AGI July 22, 2019 Announcements 2019 GPT-2: 6-Month Follow-Up August 20, 2019 Research, GPT-2 2019 Emergent Tool Use from Multi-Agent Interaction September 17, 2019 Research, Milestones 2019 Solving Rubik’s Cube with a Robot Hand October 15, 2019 Research, Milestones 2019 GPT-2: 1.5B Release November 5, 2019 Research, GPT-2 2020 Jukebox April 30, 2020 Research, Milestones 2020 OpenAI API June 11, 2020 Announcements 2021 CLIP: Connecting Text and Images January 5, 2021 Research, Milestones, Multimodal 2021 DALL·E: Creating Images from Text January 5, 2021 Research, Milestones, Multimodal 2021 Multimodal Neurons in Artificial Neural Networks March 4, 2021 Research, Milestones, Multimodal