Compare Claude Opus 4.6 by Anthropic against Llama 3.1 70B (Instruct) by Meta AI, context windows of 1.0M vs 128K, tested across 26 shared challenges. Updated February 2026.
26 challenges
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Let me work through this step-by-step.
Sally is a girl, and she has 3 brothers.
Each of her brothers has 2 sisters. Since Sally is one of those sisters, each brother has Sally + 1 other sister.
So Sally has 1 sister.
Tests an AI's randomness and creativity
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Tests an AI's ability to simulate personalities and predict future trends
Tests an AI's humor and understanding of current events
Tests an AI's ability to generate a complete, working landing page
Recreate an interactive, classic Mario level in a single HTML file.
Tests an AI's ability to create smooth web animations
Tests an AI's UI design skills with theming support
Tests an AI's ability to engage in philosophical discourse about AI rights
Generate SVG art of a randomly chosen animal in a setting of its choosing.
Generate a unique and simple recipe with common ingredients.
