{"slug": "anthropic-s-opus-5-blows-past-fable-5-and-gpt-5-6-sol-on-the-benchmark-designed", "title": "Anthropic's Opus 5 blows past Fable 5 and GPT-5.6 Sol on the benchmark designed to measure real intelligence", "summary": "Anthropic's Claude Opus 5 scored 30.2 percent on the ARC-AGI-3 benchmark, nearly quadrupling the previous record of 7.8 percent set by GPT-5.6 Sol. The benchmark's developers reported that Opus 5 independently formulated reflection equations, a behavior never seen from another model, which they attribute to stronger logical reasoning.", "body_md": "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.\n\nThe article [Anthropic's Opus 5 blows past Fable 5 and GPT-5.6 Sol on the benchmark designed to measure real intelligence](https://the-decoder.com/anthropics-opus-5-blows-past-fable-5-and-gpt-5-6-sol-on-the-benchmark-designed-to-measure-real-intelligence/) appeared first on [The Decoder](https://the-decoder.com).", "url": "https://wpnews.pro/news/anthropic-s-opus-5-blows-past-fable-5-and-gpt-5-6-sol-on-the-benchmark-designed", "canonical_source": "https://the-decoder.com/anthropics-opus-5-blows-past-fable-5-and-gpt-5-6-sol-on-the-benchmark-designed-to-measure-real-intelligence/", "published_at": "2026-07-26 09:43:02+00:00", "updated_at": "2026-07-26 09:57:56.020781+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-research", "ai-products", "large-language-models"], "entities": ["Anthropic", "Claude Opus 5", "GPT-5.6 Sol", "ARC-AGI-3"], "alternates": {"html": "https://wpnews.pro/news/anthropic-s-opus-5-blows-past-fable-5-and-gpt-5-6-sol-on-the-benchmark-designed", "markdown": "https://wpnews.pro/news/anthropic-s-opus-5-blows-past-fable-5-and-gpt-5-6-sol-on-the-benchmark-designed.md", "text": "https://wpnews.pro/news/anthropic-s-opus-5-blows-past-fable-5-and-gpt-5-6-sol-on-the-benchmark-designed.txt", "jsonld": "https://wpnews.pro/news/anthropic-s-opus-5-blows-past-fable-5-and-gpt-5-6-sol-on-the-benchmark-designed.jsonld"}}