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).

5 mentions on Hacker News by 2 people: 0 stories, 5 comments · first 2026-07-19 · latest 2026-07-23

Mentions per year 5 mentions · busiest year 2026 (5)

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…Fable to get their hands on as many high quality thinking tokens as possible for distillation. https://github.com/rgreenblatt/which_claude_is_k3/blob/main/... https://x.com/alex_prompter/status/2079625670918046048 Like all rumors, who…
comment by chlee · 2026-07-23 · in OpenAI and Anthropic unite against open-weight AI risks to their bottom line
…specific Claude models. There is a section in the analysis I linked that directly addresses this: https://github.com/rgreenblatt/which_claude_is_k3/blob/main/... Under prefill, K3 reproduces Claude's deployment identifiers — better than…
comment by tristanj · 2026-07-22 · in The Kimi K3 Moment
here's a chart of asking various models to self-identify: https://github.com/rgreenblatt/which_claude_is_k3/blob/main/... Qwen is remarkably consistent, correctly identifying itself 100% of the time. Kimi K3 performs poorly at this test,…
comment by tristanj · 2026-07-20 · in The Kimi K3 Moment
…from a model distilled from Claude. There's a detailed analysis of K3's ambiguous identity here: https://github.com/rgreenblatt/which_claude_is_k3/blob/main/... This analysis observed K3 identifies itself as Claude approximately 15% of the…
comment by tristanj · 2026-07-19 · in The Kimi K3 Moment
…from Claude. Someone even took the time to analyze Kimi's ambiguous identity, in great detail: https://github.com/rgreenblatt/which_claude_is_k3/blob/main/... And there's an entire Reddit thread discussing this…
comment by tristanj · 2026-07-19 · in The Kimi K3 Moment