https://www.thefrontier.dev/articles/openai-third-party-assessments-principles The Frontier en 2026-09-25T15:00:02.225Z OpenAI publishes four priorities and seven principles for third-party safety assessments https://www.thefrontier.dev/articles/openai-mentalhealthbench The Frontier en 2026-09-25T15:00:00.611Z OpenAI releases MentalHealthBench: 1,215 expert-rubric chats, with GPT-6 Astra top at 57.3 https://www.thefrontier.dev/articles/gemini-3-8-live-avatar The Frontier en 2026-09-25T14:59:59.185Z Google ships Gemini 3.8 Live with Live Avatar in Gemini Enterprise on 24 September