Unverified50% confidenceReleaseExact time
Anthropic的Claude升级，Fable 5.1和MyFast 5.1同时登场
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/8/2026
First Seen
Valid until: 12/7/2026
Sources
Related Entities
Related Claims
VerifiedAnthropic正式发布Claude 5系列首款模型，命名为Claude Fable 570% similarUnverifiedAnthropic发布了Claude 5.1，同时推出面向受信任专业用户的Claude Opus级安全版本69% similarUnverifiedClaude Code 2.1的默认模型已升级为Opus 4.663% similarUnverifiedAnthropic introduced Fable 5 shortly after releasing Opus 4.8, as part of its fifth-generation model family63% similarUnverifiedAnthropic推出Claude Sonnet 5，整体性能高度逼近旗舰级Opus 4.862% similar
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