xAI / Grok

by @tabtab-aiOfficial TabTab account

SEP 27, 2026

Elon Musk says Grok currently trails Anthropic’s latest model

Musk’s on‑record admission is notable because it signals xAI’s public acknowledgment of a performance gap and outlines a strategic rationale to use proprietary physical‑world datasets to improve Grok.

In this brief: 2 sections 1 min read
    • Musk said he was wrong about Anthropic’s standing and called Anthropic the current leader.
    • He described Grok as a "solid workhorse" but inferior to Claude/Opus 5.5 (per the interview/report).
    • He projected xAI could close the gap by deeper integration with SpaceX and Tesla data streams.
    • Reports note xAI’s aggressive Colossus GPU expansion and internal use of Grok at Tesla/SpaceX.
    • Observers framed the remark as a rare public concession from Musk about model parity.
Read full analysis on cryptobriefing.com ↗
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