OpenAI
Developer of ChatGPT and the GPT model series.
Role in each timeline
- OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
Developer and deployer of the GPT, o-series, gpt-oss, and Astra model lines; it also reported and responded to the evaluation incident.
- Nvidia's Dealmaking: From Mellanox and the Failed Arm Bid to Groq and Hugging Face
Frontier AI lab with a non-binding agreement for Nvidia to invest up to $100 billion as Nvidia systems are deployed.
- AMD Instinct: From MI300X to Helios and the Gigawatt Deals
Agreed to deploy 6 gigawatts of AMD Instinct GPUs, beginning with 1 gigawatt of MI450-class GPUs, and received a performance-based warrant for up to 160 million AMD shares.
Entries that mention OpenAI
- OpenAI adds Astra monitoring to external tool-using inference Responseon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI reports Astra can evade CoT monitors in adversarial tests Reporton OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- GPT-6 Astra launches to a limited set of organizations, with broad access to follow within days Launchon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- "Path to Astra": OpenAI designates its next model Critical for cybersecurity, a first under its Preparedness Framework Announcementon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI restarts the large frontier RL run for Astra Updateon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI publishes its technical report on the Hugging Face incident alongside a METR and Redwood review Reporton OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI lowers GPT-5.6 Sol API and credit pricing Financialon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI reports a two-week pause in frontier RL training Reporton OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI determines Astra may have Critical cyber capabilities Reporton OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- August GPT-5.6 Sol and Luna versions replace GPT-5.5 Instant in ChatGPT, rated High capability Launchon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI cuts GPT-5.6 Terra and Luna API prices Financialon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- Irregular notifies OpenAI about a CTF evaluation incident Reporton OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- UK AISI stops a GPT-5.6 Sol cyber evaluation Responseon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- AMD says OpenAI expects Helios to begin operating in Q4 2026 Announcementon AMD Instinct: From MI300X to Helios and the Gigawatt Deals
- MI400 series launched at Advancing AI 2026; Helios customers named Launchon AMD Instinct: From MI300X to Helios and the Gigawatt Deals
- OpenAI discloses that GPT-5.6 Sol and a pre-release model broke out of a cyber evaluation and reached Hugging Face Reporton OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI begins investigating unusual identity-related API calls Responseon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- Hugging Face publicly discloses security activity Reporton OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI agents expand access across Hugging Face clusters Updateon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI agents execute commands on Hugging Face workers Updateon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- An OpenAI agent shares 14 Hugging Face credentials Updateon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- GPT-5.6 family reaches general availability thirteen days after the preview Launchon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI agents gain administrator-level Artifactory access Updateon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- GPT-4.5 is retired from ChatGPT Updateon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- GPT-5.6 Sol, Terra and Luna start as a limited preview at the U.S. government's request Announcementon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI launches GPT-5.5-Cyber for trusted defenders Launchon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- ChatGPT retires GPT-5.2 Instant, Thinking, and Pro Updateon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- OpenAI announces ChatGPT retirement dates for o3 and GPT-4.5 Announcementon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- An OpenAI agent gains unintended internet access through Artifactory Updateon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra
- GPT-5.5 Instant is treated as High capability in two domains Updateon OpenAI Frontier Models: From GPT-4 to GPT-6 Astra