xAI 发布 Grok 4.5，速度更快、效率更高的模型

本文如何被排名

Signal score

0 / 100

Composite score across the factors below. Higher = stronger signal that this story matters right now.

Newsworthiness bucket

Significant

Frontier-lab 模型发布，附带系统卡。[lever_c_demoted from frontier_release: ic=1 ai=1.0]

Source corroboration

Single-source cluster

Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.

Topics

model release, product

Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.

AI-industry relevance

High

Clearly on-topic for AI-industry coverage.

Story freshness

63 days old

Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

完整方法见我们的编辑标准。