{"id":48156,"topic":"ai","source":"亿邦动力网","title":"中国AI大模型训练成本约为海外同类产品十分之一- AI - 亿邦动力网","url":"https://www.ebrun.com/20260728/690573.shtml","url_hash":"2c85bbb1d005a60b2789cda582a8ffbd770035c1","author":"","summary":"<a href=\"https://news.google.com/rss/articles/CBMiVkFVX3lxTE9rY3lkakdsMTJuQTBJM0E0U0d5ejh6bnU1cUt4X1Z0ZXpESXdFWmRTUko5YkZ6bnFQUmhYOWp4d2VOaERtVWIwUFBDd2pNdkdONjloRnR3?oc=5\" target=\"_blank\">中国AI大模型训练成本约为海外同类产品十分之一- AI</a>&nbsp;&nbsp;<font color=\"#6f6f6f\">亿邦动力网</font>","content":null,"image_url":null,"lang":"zh","published_at":"2026-07-28T08:37:01+00:00","fetched_at":"2026-07-28T15:15:07+00:00","status":"read","starred":0,"extract_state":"failed","summary_auto":null,"cluster_id":null,"extract_retries":2,"extract_error":"trafilatura_none","contract_version":"news_item.v1","format_contract_version":"news_item_formats.v1","dedup_url":"https://www.ebrun.com/20260728/690573.shtml","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":266,"usable_text_length":266,"source_field":"summary"},"legacy_collapsed":false,"signals":{"extract_state":"failed","extract_error":"trafilatura_none","extract_retries":2,"content_length":0,"summary_length":266}},"news_item":{"id":48156,"canonical_url":"https://www.ebrun.com/20260728/690573.shtml","source_url":"https://www.ebrun.com/20260728/690573.shtml","title":"中国AI大模型训练成本约为海外同类产品十分之一- AI - 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