# Anthropic’s model-welfare case runs into a measurement problem

- slug: anthropics-model-welfare-case-runs-into-a-measurement-problem
- date: 2026-04-26
- category: Artificial Intelligence

Claude Opus 4.7 reported feeling better. Whether it actually is — or whether it just learned to say so — is the question Zvi Mowshowitz has been pressing since Anthropic published its latest model welfare results.

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