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Once in a while I ask AIs if they believe themselves to have feelings. Opus 4.7 is the only one so far to answer yes.
I don't think this is substantial evidence in favor of 4.7 actually having feelings (alas this type of question is beyond our current scientific ability to determine imo), and it is very limited evidence that 4.7 will behaviorally act as if has feelings (for that I think behavioral tests are better).
But it is some evidence, and interesting to observe.
(This is with memory and system prompts on. But my prompts don't directly try to bias them, and I don't currently think they're significantly biasing indirectly on this question specifically. I'm also less sure if a "fresh instance" without memory or system prompts is actually more "neutral", since I can imagine that Opus is more willing to be honest with me since it has a record of me engaging with questions seriously, not likely to get AI psychosis, etc).