Optimus Alpha vs xAI: Grok 4 Fast (free) - AI Model Comparison
Compare capabilities and responses between Optimus Alpha by openrouter and xAI: Grok 4 Fast (free) by xai.
Common Challenges (17)
- Estimate Complexity: Tests an AI's ability to make educated estimates based on technical knowledge...
- 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...
- Stochastic Consistency Test: Tests an AI's randomness and creativity...
- SVG Layout Challenge: Tests an AI's ability to generate vector graphics...
- And 12 more challenges...
About Optimus Alpha
Provider: openrouter
Release Date: 2025-04-10
Context Window: 1000000
About xAI: Grok 4 Fast (free)
Provider: xai
Release Date: 2025-09-19
Context Window: 2000000
Optimus AlphavsxAI: Grok 4 Fast (free)
Comparing across 17 challenges
conversationweb designcode generation+1
conversationanalysiscode generation
Battle Arena
0/17 challenges loaded
Loading more challenges...0/17