{"ok":true,"trend":{"id":997100,"platform":"hn","region":"global","key":"sonnet 5.5 scores just behind opus 5.5 on artificial analysis intelligence index","title":"Sonnet 5.5 scores just behind Opus 5.5 on Artificial Analysis Intelligence Index","url":"https://artificialanalysis.ai/articles/claude-sonnet-5-5","first_seen":"2026-10-04T14:54:39.898874Z","last_seen":"2026-10-04T19:01:43.590719Z","last_rank":12,"peak_rank":12,"last_volume":11,"peak_volume":11,"seen_count":4,"score":0.85515625,"category_hint":"art","section":"culture","category":"art","summary":"Anthropic's Claude Sonnet 5.5 has scored just behind Claude Opus 5.5 on the Artificial Analysis Intelligence Index, placing the smaller model nearly on par with the company's flagship. The close result is drawing attention because Sonnet models are typically far cheaper and faster, and a small performance gap would make the mid-tier model a compelling default choice for many AI workloads.","why":"A mid-tier model nearly matching Anthropic's top model on a widely watched benchmark raises questions about pricing and model choice.","tone":"neutral","entities":["Anthropic","Claude Sonnet 5.5","Claude Opus 5.5","Artificial Analysis"],"summarized_at":"2026-10-04T20:59:07.239862Z","meta":{"via":"scan","lang":"en","link":"https://artificialanalysis.ai/articles/claude-sonnet-5-5","term":"art","comments":6},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"Sonnet 5.5 nearly matches Opus 5.5 on intelligence benchmark","section_name":"Culture","category_name":"Art","timeline":[{"captured_at":"2026-10-04T14:54:39.898874Z","rank":12,"volume":11},{"captured_at":"2026-10-04T16:16:40.100926Z","rank":12,"volume":11},{"captured_at":"2026-10-04T17:39:03.859436Z","rank":12,"volume":11},{"captured_at":"2026-10-04T19:01:43.590719Z","rank":12,"volume":11}],"posts":[{"platform":"hn","url":"https://news.ycombinator.com/item?id=49885725","author":"spenvo","title":"Sonnet 5.5 scores just behind Opus 5.5 on Artificial Analysis Intelligence Index","snippet":null,"posted_at":"2026-09-28T23:10:13Z","likes":11}],"elsewhere":[],"window":"7d"}}