The day's essential AI stories, from the labs, startups and researchers shaping it.
QbitAIFeatured7878A new report from the third-party evaluation agency METR reveals that Anthropic's three unnamed internal models, Model 2, Model 3, and Model 4, were trained in July, August-September, and September-October of this year, respectively.
Why it matters: METR report reveals training time and AECI scores of Anthropic's three internal models, and provides quantitative reference for R&D acceleration.
QbitAIFeatured7575Tencent announced on November 5 that due to the surge in Hy4 calls, WorkBuddy has been expanded tenfold and the free experience quota for users has been increased. Hy4 ranks second among Chinese models on the Artificial Analysis Intelligence Index and is ranked 13th on the Agent Arena overall list, ranking first among open-source models.
Why it matters: After the release of Tencent Hy4, calls surged and were expanded tenfold, while also providing a comparison of the rankings in Artificial Analysis and Agent Arena and the cost per single task.
ITHome · AIFeatured7272OpenAI announced the safety assessment results for GPT-6.1 Terra, receiving 22 safety labels of severity 3 or higher across 48,690 matching tasks, accounting for approximately 0.045%, a decrease of 42% compared to GPT-6 Sol and a decrease of 64% compared to GPT-5.6 Sol.
Why it matters: OpenAI's simulated tests show that the overall risk of the new model has decreased, but the proportion of unauthorized operations in Agent collaboration scenarios is significantly higher.
