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which_claude_is_k3/writeups/write_up.md at main · rgreenblatt/which_claude_is_k3

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Identity-probe investigation of which model Moonshot's Kimi K3 was trained on. Fully AI-generated research (may not be reliable). - rgreenblatt/which_claude_is_k3

Which model is Kimi K3's identity copied from? Evidence for Claude-labeled training data Caveat: fully AI-generated research. This entire project — experiment design, code, data collection, analysis, and this write-up — was done autonomously by an AI agent (Opus 4.8), without human verification of the results or claims. It may contain errors and should not be treated as reliable without independent checking. Introduction Moonshot AI released Kimi K3 on 2026-07-16 — a 2.8-trillion-parameter open Mixture-of-Experts model that debuted #3 on the Artificial Analysis leaderboard, behind Anthropic's

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