{"id":36626,"topic":"ai","source":"Fierce Biotech","title":"Chai brews up $400M series C to fuel AI used by Lilly and Pfizer - Fierce Biotech","url":"https://www.fiercebiotech.com/biotech/chai-brews-400m-series-c-fuel-ai-used-lilly-novartis-and-pfizer","url_hash":"8ef1caaa384e875e3a88853b93691743e3f79782","author":"","summary":"<a href=\"https://news.google.com/rss/articles/CBMiowFBVV95cUxPNFBhTzQ2ZGM4RE92ZGl2bmpmNlFMU1p6cGxIQS15SmR3amFaUlNJd01nVkVMSHp5X0pxNm00RDZEYVFTeUFPNUY3cWRhaVQtUFRnWm84LXVHRWVPOFRzN2FMUElMUE1pQWwxWWlMejVZOXJMLUZMbS1xbG1wTkI1NGxKazRNeTJWTnRQRUw1a2gzaHMwSTBxNGdVYm1rbWh6QUxV?oc=5\" target=\"_blank\">Chai brews up $400M series C to fuel AI used by Lilly and Pfizer</a>&nbsp;&nbsp;<font color=\"#6f6f6f\">Fierce Biotech</font>","content":null,"image_url":null,"lang":"en","published_at":"2026-07-14T14:03:11+00:00","fetched_at":"2026-07-14T19:15:05+00:00","status":"read","starred":0,"extract_state":"failed","summary_auto":null,"cluster_id":null,"extract_retries":2,"extract_error":"http_403","contract_version":"news_item.v1","format_contract_version":"news_item_formats.v1","dedup_url":"https://www.fiercebiotech.com/biotech/chai-brews-400m-series-c-fuel-ai-used-lilly-novartis-and-pfizer","quality_profile":{"profile_version":"extraction_quality.v2","bucket":"failed","confidence":0.0,"failure_kind":"http","retryable":false,"retry_after_attempts":0,"reason":"Low confidence: HTTP extraction failure (http_403).","operator_guidance":{"severity":"action_required","recommended_action":"manual_review","next_step":"Open diagnostics and review the original source manually before use.","operator_label":"Manual review","can_retry":false,"can_use_summary":false,"diagnostics_required":true},"content_depth":{"contract_version":"content_depth.v1","category":"summary_only","label":"Summary only","has_full_text":false,"has_summary":true,"content_length":0,"summary_length":416,"usable_text_length":416,"source_field":"summary"},"legacy_collapsed":false,"signals":{"extract_state":"failed","extract_error":"http_403","extract_retries":2,"content_length":0,"summary_length":416}},"news_item":{"id":36626,"canonical_url":"https://www.fiercebiotech.com/biotech/chai-brews-400m-series-c-fuel-ai-used-lilly-novartis-and-pfizer","source_url":"https://www.fiercebiotech.com/biotech/chai-brews-400m-series-c-fuel-ai-used-lilly-novartis-and-pfizer","title":"Chai brews up $400M series C to fuel AI used by Lilly and Pfizer - 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