Compare Golden Gate Claude by Anthropic against Grok 4.1 Fast by xAI, tested across 4 shared challenges. Updated April 2026.
Golden Gate Claude and Grok 4.1 Fast are both competitive models. Compare their real outputs side by side below.
Golden Gate Claude is made by anthropic while Grok 4.1 Fast is from xai.
No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, newer.
Grok 4.1 Fast uses 466.5x more bold
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

Compare Golden Gate Claude by Anthropic against Grok 4.1 Fast by xAI, tested across 4 shared challenges. Updated April 2026.
Golden Gate Claude and Grok 4.1 Fast are both competitive models. Compare their real outputs side by side below.
Golden Gate Claude is made by anthropic while Grok 4.1 Fast is from xai.
No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, newer.
Grok 4.1 Fast uses 466.5x more bold
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

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