{"id":"clm_E27E77AB0A2E","entity":"anthropic","predicate":"released","value":"Claude Sonnet 5.5","value_json":{"feed":"vercel-changelog","item":"https://vercel.com/changelog/claude-sonnet-5-5-now-available-on-ai-gateway","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-10-31","themes":["connectors"],"model_tier":"mid","release_kind":"model"},"check":{"on":"2026-10-29","url":"https://vercel.com/changelog/claude-sonnet-5-5-now-available-on-ai-gateway","pages":1,"quote":"Claude Sonnet 5.5 from Anthropic is now available on AI Gateway as anthropic/claude-sonnet-5.5 .","outcome":"checked"},"evidence":"Claude Sonnet 5.5 now available on AI Gateway","extracted_by":"claude-haiku-5-5","primary_source":false},"valid_from":"2026-09-28","valid_to":null,"published":"2026-09-28","recorded":"2026-10-29","confidence":0.5,"status":"unverified","assertable":false,"why_not":"unverified","superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-29T20:16:25.427754+00:00","updated_at":"2026-10-31T03:22:07.868345+00:00","sources":[{"url":"https://vercel.com/changelog/claude-sonnet-5-5-now-available-on-ai-gateway","tier":"secondary","publisher":"Vercel","published_at":"2026-09-28T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-10-29","quote":"Claude Sonnet 5.5 from Anthropic is now available on AI Gateway as anthropic/claude-sonnet-5.5 .","url":"https://vercel.com/changelog/claude-sonnet-5-5-now-available-on-ai-gateway","excerpt":"Claude Sonnet 5.5 now available on AI Gateway"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{"unverified":"Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it."},"checked_by":{"page-read":"its source page states the value and the date"}}}