Compare Claude 3 Haiku and Claude 3.7 Thinking Sonnet, both from Anthropic, context windows of 200K vs 200K, tested across 32 shared challenges. Updated February 2026.
27 challenges
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
Recreate an interactive, classic Mario level in a single HTML file.
Tests an AI's ability to create smooth web animations
Generate a single-page, self-contained HTML webapp using Tailwind CSS for a randomly chosen category/industry/niche.
Generate SVG art of a randomly chosen animal in a setting of its choosing.
Generate a unique and simple recipe with common ingredients.
A crispy, savory pasta dish made with just 7 basic ingredients you already have!
Prep time: 5 minutes
Cook time: 15 minutes
Total time: 20 minutes
Serves: 2-3
Tip: This versatile dish works with any pasta shape. For extra flavor, add a pinch of red pepper flakes or dried herbs if you have them on hand!
