What AI models are available in Perplexity?


Perplexity offers eight AI models as of December 2025:


Best (default)
Sonar
GPT-5.1
Claude Opus 4.5
Claude Sonnet 4.5
Gemini 3 Pro
Grok 4.1
Kimi K2 Thinking


Free users access the "Best" mode, which automatically selects an optimized model for quick, accurate answers. Pro subscribers unlock manual...