ModelPerplexity Fast
pplx-fast
A lightweight, fast-inference model released by Perplexity that incorporates search-augmented retrieval. It features real-time web search capability and is suited for rapid question-answering scenarios.
Timeline (last 90 days)
Oct 12
In the experiment, ChatGPT used gpt-5-mini, Gemini used gemini-3.5-flash-lite, and Perplexity used pplx-fast — all lightweight, fast models from their respective providers.
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