{"id":47956,"topic":"ai","source":"华尔街见闻","title":"算力资源有限，亚马逊砍掉多款自研AI，All in“旗舰大模型” - 华尔街见闻","url":"https://wallstreetcn.com/articles/3778123","url_hash":"36e507ddb0a7a7b08b2d380587282e16244881a9","author":"","summary":"<a href=\"https://news.google.com/rss/articles/CBMiU0FVX3lxTE5odHFqM0lTQ1lhQWhta2RQWTEzOEozSzJLcjE0Yy0tcW1sQVAtR0VIT3hYMFBXWTczdDJsWnlhWm1aclFuYlFwQWdVZ0t5SGtWZTM4?oc=5\" target=\"_blank\">算力资源有限，亚马逊砍掉多款自研AI，All in“旗舰大模型”</a>&nbsp;&nbsp;<font color=\"#6f6f6f\">华尔街见闻</font>","content":null,"image_url":null,"lang":"zh","published_at":"2026-07-28T09:32:45+00:00","fetched_at":"2026-07-28T11:15:07+00:00","status":"read","starred":0,"extract_state":"failed","summary_auto":null,"cluster_id":1775563,"extract_retries":2,"extract_error":"trafilatura_none","contract_version":"news_item.v1","format_contract_version":"news_item_formats.v1","dedup_url":"https://wallstreetcn.com/articles/3778123","quality_profile":{"profile_version":"extraction_quality.v2","bucket":"low","confidence":0.2,"failure_kind":"extractor_empty","retryable":false,"retry_after_attempts":0,"reason":"Low confidence: extractor returned no usable article text.","operator_guidance":{"severity":"warning","recommended_action":"use_summary_with_caveat","next_step":"Use the available summary only with a visible quality caveat.","operator_label":"Use summary with caveat","can_retry":false,"can_use_summary":true,"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":267,"usable_text_length":267,"source_field":"summary"},"legacy_collapsed":false,"signals":{"extract_state":"failed","extract_error":"trafilatura_none","extract_retries":2,"content_length":0,"summary_length":267}},"news_item":{"id":47956,"canonical_url":"https://wallstreetcn.com/articles/3778123","source_url":"https://wallstreetcn.com/articles/3778123","title":"算力资源有限，亚马逊砍掉多款自研AI，All in“旗舰大模型” - 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