Code Arena now measures fullstack capabilities: Kimi K3 takes #1, GPT 5.6 Sol #2, Claude Fable 5 #3

Code Arena benchmark now measures full-stack web development skills including multi-step reasoning, tool use, and end-to-end app generation. Latest ranking shows Kimi K3 (Max) first, GPT 5.6 Sol second, and Claude Fable 5 third.

• benchmark
• AI Models
• Code Arena
• fullstack