Anthropic's Claude Opus 5 scored 30.2 percent on ARC-AGI-3, nearly quadrupling GPT-5.6 Sol's previous record of 7.8 percent. The benchmark's developers say the model independently formulated reflection equations, a behavior they had never seen from another model, and attribute to stronger logical reasoning.
The article Anthropic's Opus 5 blows past Fable 5 and GPT-5.6 Sol on the benchmark designed to measure real intelligence appeared first on The Decoder.
source & further reading
the-decoder.com — original article
Hundreds asked ChatGPT for poison and bioweapon recipes and some got step-by-step high school level guides
US reportedly favors selective bans over blanket restrictions on Chinese open weight models citing security concerns
The AI coding tutor paradox grows as educators scramble to rethink how they test real skills