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Xai releases Grok 4 Fast, a 2M context model 40% more token efficient

By PulseAugur Editorial · [1 sources] ·

Xai has released Grok 4 Fast, a distilled version of its frontier model that boasts 40% greater token efficiency. This new iteration supports a 2 million token context window and achieves a processing speed of 344 tokens per second. The release signifies an advancement in model efficiency and context handling capabilities. AI

RANK_REASON Frontier-lab model release with system card.

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AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Xai releases Grok 4 Fast, a 2M context model 40% more token efficient

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Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Frontier Release
Frontier-lab model release with system card.
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
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AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
372 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. Smol AINews TIER_1 English(EN) ·

    Grok 4 Fast: Xai's distilled, 40% more token efficient, 2m context, 344 tok/s frontier model

    **xAI** announced **Grok 4 Fast**, a highly efficient model running at **344 tokens/second**, offering reasoning and nonreasoning modes and free trials on major platforms. **Meta** showcased its neural band and Ray-Ban Display with a live demo that experienced hiccups but sparked…

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