Perplexity's answer engine moves to GPT-6 Astra
Until last month, Perplexity toggled between GPT-5.6, Claude Opus 5, and other models depending on the task.
Perplexity switches its core answer-generation model to GPT-6 Astra, while GPT-5.6, Claude Opus 5, and others stay selectable.
Matters if you care about answer quality; if you just ask occasional questions, the difference is basically noise.