GPT-4.5 vs xAI: Grok 4 Fast (free) - AI Model Comparison
Compare capabilities and responses between GPT-4.5 by openai and xAI: Grok 4 Fast (free) by xai.
Common Challenges (24)
- Estimate Complexity: Tests an AI's ability to make educated estimates based on technical knowledge...
- AI Board Game Logic: Tests an AI's ability to understand game rules and strategy...
- Logic Puzzle: Tests an AI's ability to solve a simple but potentially confusing logic puzzle...
- Math Misconception Test: Tests an AI's understanding of number representation...
- SVG Layout Challenge: Tests an AI's ability to generate vector graphics...
- And 19 more challenges...
About GPT-4.5
Provider: openai
Release Date: 2025-02-27
Context Window: 128000
About xAI: Grok 4 Fast (free)
Provider: xai
Release Date: 2025-09-19
Context Window: 2000000
GPT-4.5vsxAI: Grok 4 Fast (free)
Comparing across 24 challenges
conversationreasoningcode generation+2
conversationanalysiscode generation
Battle Arena
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