Compare GPT-2 by OpenAI against xAI: Grok 4 by xAI, context windows of 1K vs 256K, tested across 7 shared challenges. Updated April 2026.
GPT-2 and xAI: Grok 4 are both competitive models. Context windows: 1K vs 256K tokens. Compare their real outputs side by side below.
GPT-2 is made by openai while xAI: Grok 4 is from xai. GPT-2 has a 1K token context window compared to xAI: Grok 4's 256K.
No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, newer, bigger context window.
xAI: Grok 4 uses 67.3x more hedging
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 GPT-2 by OpenAI against xAI: Grok 4 by xAI, context windows of 1K vs 256K, tested across 7 shared challenges. Updated April 2026.
GPT-2 and xAI: Grok 4 are both competitive models. Context windows: 1K vs 256K tokens. Compare their real outputs side by side below.
GPT-2 is made by openai while xAI: Grok 4 is from xai. GPT-2 has a 1K token context window compared to xAI: Grok 4's 256K.
No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, newer, bigger context window.
xAI: Grok 4 uses 67.3x more hedging
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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7 fights queued