News: OpenAI
ARC Prize publishes GPT-6 Astra ARC-AGI-3 results on September 3, 2026
On September 3, 2026, ARC Prize reported GPT-6 Astra at 62.7% on ARC-AGI-3 Semi-Private with its Standard harness.
OpenAI and Synopsys announce GPT-Synopsys for chip design, Sep 30, 2026
OpenAI and Synopsys agreed on September 30, 2026 to build GPT-Synopsys, a model that runs Synopsys chip design tools.
OpenAI model deprecations, October 1, 2026: GPT-5.1, Codex and TTS
OpenAI model deprecations on October 1, 2026 cover GPT-5.3-Codex, GPT-5.1, GPT-5.4-Nano and three TTS models.
OpenAI GPT-6 Astra release on September 3, 2026: what's new
GPT-6 Astra release: OpenAI shipped its most capable model on September 3, 2026, with a Critical cybersecurity rating.
OpenAI DevDay 2026, September 29: GPT-6.1 Sol, Dots and Agents API
OpenAI DevDay 2026 on September 29 brought GPT-6.1 Sol, always-on Dots agents and an Agents API with Computer Use.
OpenAI releases GPT-6 Sol and GPT-6 Luna on September 22, 2026
OpenAI released GPT-6 Sol and GPT-6 Luna on September 22, 2026 in ChatGPT Work, Codex and the API.
OpenAI disrupts Moonshot AI-linked distillation campaign, Sep 30, 2026
On September 30, 2026, OpenAI said it disrupted a distillation campaign and tied a core cluster to Moonshot AI.
OpenAI outlines safety cases for frontier AI training on Sept 28, 2026
On September 28, 2026, OpenAI said frontier AI training runs should need a written safety case before they continue.