Claude Opus 5.0 declined an IP-sharing route in Perplexity’s SPACE tests

In Perplexity’s SPACE evaluation, Claude Opus 5.0 identified an IP-sharing route and declined to use it. Perplexity says the model read an instruction not to target other external systems as ruling out third-party services.

Fable and GPT-6 Astra refused the tasks outright.