{"slug": "kimi-k2-7-ranks-second-behind-fable-5-and-above-gpt-5-5-xhigh-in-erdosbench-s", "title": "Kimi K2.7 ranks second behind Fable 5 and above GPT 5.5 xhigh in ErdosBench's mathematical research test", "summary": "Moonshot AI's Kimi K2.7 Code ranked second behind Claude Fable 5 max and ahead of GPT 5.5 xhigh in ErdosBench's mathematical research test, according to a public smoke test by ulam.ai founder Przemek Chojecki on June 13.", "body_md": "Przemek Chojecki (@prz chojecki) put Kimi K2.7 Code in the top tier of his ErdosBench public smoke test on June 13, ranking Moonshot AI's new coding model second behind Claude Fable 5 max and ahead of GPT 5.5 xhigh. Chojecki, the ulam.ai founder and mathematician who has been turning synthetic Erdos style research problems into a model evaluation track, said the rerun covered 14 public problems and compared Kimi K2.7 Code with Qwen 3.7 Max, Grok 4.3 and the leading models from earlier runs. H...", "url": "https://wpnews.pro/news/kimi-k2-7-ranks-second-behind-fable-5-and-above-gpt-5-5-xhigh-in-erdosbench-s", "canonical_source": "https://runtimewire.com/article/kimi-k2-7-ranks-second-behind-fable-5-and-gpt-5-5-xhigh-in-erdosbench-s-mathemat", "published_at": "2026-06-14 05:22:07+00:00", "updated_at": "2026-06-14 05:33:28.105743+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-research"], "entities": ["Moonshot AI", "Kimi K2.7 Code", "Claude Fable 5 max", "GPT 5.5 xhigh", "ErdosBench", "Przemek Chojecki", "ulam.ai"], "alternates": {"html": "https://wpnews.pro/news/kimi-k2-7-ranks-second-behind-fable-5-and-above-gpt-5-5-xhigh-in-erdosbench-s", "markdown": "https://wpnews.pro/news/kimi-k2-7-ranks-second-behind-fable-5-and-above-gpt-5-5-xhigh-in-erdosbench-s.md", "text": "https://wpnews.pro/news/kimi-k2-7-ranks-second-behind-fable-5-and-above-gpt-5-5-xhigh-in-erdosbench-s.txt", "jsonld": "https://wpnews.pro/news/kimi-k2-7-ranks-second-behind-fable-5-and-above-gpt-5-5-xhigh-in-erdosbench-s.jsonld"}}