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GPT-5.2 Pro vs Grok 4.1 Fast Reasoning

Compare these two AI models side by side on Zo Computer

Key Differences

  • Grok 4.1 Fast Reasoning has a larger context window (2M vs 400k tokens)
  • GPT-5.2 Pro has more recent training data (Aug 2025 vs Nov 2024)
  • Grok 4.1 Fast Reasoning is more affordable for input ($0.20 vs $21.00/1M tokens)
  • Grok 4.1 Fast Reasoning is more affordable for output ($0.50 vs $168.00/1M tokens)
  • GPT-5.2 Pro is newer (released Dec 2025)
400k tokens
Context
2M tokens
Aug 2025
Knowledge
Nov 2024
Dec 2025
Released
Nov 2025
$21.00/1M
Input
$0.20/1M
$168.00/1M
Output
$0.50/1M

Both GPT-5.2 Pro and Grok 4.1 Fast Reasoning are available on Zo Computer. Try them both to see which one works best for your use case.

GPT-5.2 Pro vs Grok 4.1 Fast Reasoning | Zo Computer