Development

Cross-entropy analysis shows one model disproportionately claims to be another

development2026-07-21

Claim

Ryan Greenblatt published a cross-entropy analysis showing Kimi K3 disproportionately claims to be Claude, statistical weight for Anthropic's distillation allegations, while comma.ai's chief technology officer claimed Opus 4.8 introduced itself as Qwen in Chinese.

Reporting date: 2026-07-21 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to July 21, 2026 (theinnermostloop.substack.com)

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Reported in

Welcome to July 21, 2026

Actor

Evidence for

Supersedes

A lab accuses a rival of harvesting 28.8 million exchanges

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Citation formatCitation text

Cross-entropy analysis shows one model disproportionately claims to be another
Innermost Loop KB — secondary record
Reporting date: 2026-07-21
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-07-21-a-model-introduces-itself-as-a-rival
Claim: Ryan Greenblatt published a cross-entropy analysis showing Kimi K3 disproportionately claims to be Claude, statistical weight for Anthropic's distillation allegations, while comma.ai's chief technology officer claimed Opus 4.8 introduced itself as Qwen in Chinese.
Attributed sources:
- Welcome to July 21, 2026 — https://theinnermostloop.substack.com/p/welcome-to-july-21-2026
This citation does not imply independent verification of linked-source claims.

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