# Perplexity — Fast preset updated

- Company: Perplexity (perplexity.ai)
- Announced: 2026-08-19T00:47:28+00:00
- Category: capability-change
- Subject: Sonar
- Models affected: openai/gpt-5.6-luna
- Pricing: Priority processing uses 2× the model's standard token prices.
- Source: https://docs.perplexity.ai/docs/resources/changelog#august-2026
- Record: https://forck.live/items/5058-fast-preset-updated

The Agent API's 'fast' preset now uses the openai/gpt-5.6-luna model with minimal reasoning effort and priority processing. Dynamic requests automatically adopt the change; frozen configurations require manual updates. Priority processing costs 2x the standard token prices.

## Evidence

Verbatim from https://docs.perplexity.ai/docs/resources/changelog#august-2026:

> The Agent API fast preset now uses openai/gpt-5.6-luna with minimal reasoning effort and priority processing.

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Record: https://forck.live/items/5058-fast-preset-updated
Catalogue: https://forck.live/llms.txt
Feed: https://forck.live/feed.md