Unverified50% confidenceFactExact time
In the Anthropic model naming system, aliases without a date suffix automatically point to the latest version over time; exact mode requires the use of model IDs with full version identifiers to avoid version drift.
1
Sources
50%
Confidence
Long-term
Relevance
9/25/2026
First Seen
Sources
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Related Claims
Unverified模型服务中:0731这类日期后缀通常代表某个具体的模型快照或更新批次，服务商可能在不改变主版本号的情况下通过快照静默更新62% similarUnverifiedAI对最新技术栈的掌握存在训练数据截止日期限制，对版本迭代频繁的框架可能给出基于已废弃旧版API的代码58% similarUnverifiedVendors may perform inference optimizations (such as quantization, speculative decoding, and KV cache strategy adjustments) or infrastructure changes within the same named version, and these changes will not be reflected in the version number.57% similarUnverifiedThis update no longer resends tool definitions when switching models using the /model command.57% similar
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