Anthropic發佈Claude5系列，含面向大衆的Fable5與側重安全的Mythos5。Fable5是公開市場最強模型，在軟件開發、科研分析、視覺識別等領域表現優異，相比前代Opus在長週期任務中處理能力顯著提升，同時體現了企業在模型應用邊界與安全架構上的深思熟慮。
Anthropic新一代編程大模型Claude Sonnet5（代號Fennec）意外泄露，現身谷歌雲基礎設施，預計2026年2月初發布。該模型性能強大，被形容爲“把整個開發團隊塞進模型裏”，標誌着編程AI進入新階段。泄露源於API調用時觸發的404錯誤日誌，顯示模型已基本完成。
Anthropic
$105
輸入tokens/百萬
$525
輸出tokens/百萬
200
上下文長度
$7
$35
$21
Alibaba
$4
$16
1k
$1
Tencent
$0.8
$2
32
Minimax
$8
128
$1.75
$8.75
$5.6
$28
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