Perplexity launches Fast Search on Rust-based Photon: 95% of results in under 230ms
perplexity_ai · x · 2026-09-25
Perplexity officially introduced Fast Search in its Search API:
- Runs on Photon, a new Rust-based retrieval and ranking service built by a small team of engineers with hundreds of agents
- Returns 95% of search results in 230ms or less
- Uses less ranking compute than the default preset, tuned for everyday agentic tasks
A milestone in Perplexity's shift from wrapper to in-house search infrastructure.
Related event: Perplexity Launches Fast Search, Powered by Its In-House Photon Engine(6 posts)→
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