待验证50% 置信观点精确时间
The codename 'Mythos 5' suggests Anthropic may have achieved a major breakthrough in model capabilities and could represent an entirely new generational product rather than an iterative upgrade.
1
来源数
50%
置信度
中期 (~90 天)
时效性
2026/7/2
首次发现
有效期至：2026/9/30
来源
相关事实
待验证Anthropic的Fable 5内部代号为Mythos 5，是其前沿研究级模型71% 相似待验证A user reported that Claude Mythos 5 briefly appeared as a model option in Anthropic's API before being quickly pulled.64% 相似待验证Claude Fable 5 and Claude Mythos 5 have officially launched as Anthropic's most advanced AI models to date.64% 相似待验证Anthropic通过受控扩展而非直接公开发布的方式推进Claude Mythos新模型61% 相似待验证Anthropic正在内部对代号为'Oceanus'的新模型进行红队测试，该模型被认为是Mythos Preview的继任者60% 相似
引用此条事实
Stable URI
https://kongchang.com/claim/51314API
curl https://kongchang.com/api/v1/knowledge/claims/51314MCP
get_claim(id=51314)