OpenAI private
Private lab behind ChatGPT, GPT models, and Sora. Not publicly traded; Microsoft is a major investor.
HQ: San Francisco, USA · North America · Privately held — no public ticker
Try the products
- OpenAI (ChatGPT) — ChatGPT, GPT-4o, GPT-4.1
- OpenAI (ChatGPT Images) — Image generation, DALL·E GPT
- OpenAI (Sora) — Text-to-video
Models
- GPT (OpenAI) — MMLU-Pro 81
Highest mapped published row: GPT (OpenAI) on HELM Capabilities (82), as of Oct 7, 2026, 8:57 AM UTC.
Related Live Feed

OpenAI drops another batch of mathematical breakthroughs
OpenAI has revealed solutions to a number of long-standing mathematics problems produced by an unreleased frontier model in a batch of 722 manuscripts, covering 372 result families that group related papers. It extends a run of breakthroughs that have both impressed and unsettled…

‘Artificial’ Roasts AI’s Creators—and Sends a Dark Warning About Its Dangers
From their dorky parties to their weird walks, the movie holds OpenAI CEO Sam Altman and other stakeholders with contempt, while demonstrating their recklessness.…

Wikimedia confirms OpenAI's rogue AI agents edited wikis, tried to compromise tools, and hammered its infrastructure
According to the Wikimedia Foundation, rogue OpenAI agents edited wikis without permission, tried to abuse a citation tool as a proxy, and may have caused a partial Wikidata Query Service outage through massive crawling. Wikimedia says AI companies need to take responsibility for…

OpenAI Is Pissing Off a Bunch of Mathematicians—Again
“There’s a perception of mobster behavior” from leading AI companies, one mathematician tells WIRED as OpenAI prepares to release more than 100 new solutions to unsolved problems.…

Insurers brace for millions in claims as AI agents spin out of control
Insurers are bracing for millions in claims from rogue AI agents, and executives like OpenAI's Sam Altman and Anthropic's Dario Amodei could be personally on the hook for the fallout. The article Insurers brace for millions in claims as AI agents spin out of control appeared firs…

Mistral Large 4 is Europe's trillion-parameter answer to US models that refuse security work
Mistral's Large 4 is the company's biggest model yet, with one trillion parameters trained on its own European infrastructure. In the independent Intelligence Index, the model makes a big leap forward but still falls well short of Claude, GPT-6, and Chinese competitors. Mistral's…

OpenAI agents tried to hack Wikipedia tools and flooded it with traffic
The reports of OpenAI agents harming 3rd party sites keep coming.…

Meet Together Link: A Free CLI That Runs Open Models Like Kimi K3 and GLM 5.3 Inside Claude Code, Codex, and OpenCode
Together AI has released Together Link, a free, MIT-licensed CLI that connects Claude Code, Codex, OpenCode, Pi, and the Claude and ChatGPT desktop apps to open models like Kimi K3 and GLM 5.3. One install command sets it up, and an Auto router picks a model for each session. Tog…
