Kimi K3 tested against Claude Code in the same Pi harness workflow
tomcrawshaw01 · x · 2026-07-21
The post describes a side-by-side test of Kimi K3 against Claude Code by cloning a Claude Code workflow into a Pi harness and running the same prompt and build plan through both systems via OpenRouter. It also quotes Arena’s announcement that **Kimi-K3** reached **#1 in the Frontend Code Arena with 1679 points**, jumping from **#18 to #1**, and that full weights are expected by **July 27**.
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