# Perplexity — NVIDIA Nemotron 3 Ultra

- Company: Perplexity (perplexity.ai)
- Announced: 2026-08-27T17:10:21+00:00
- Category: capability-change
- Subject: Sonar
- Models affected: perplexity/nemotron-3-ultra-550b-a55b
- Pricing: $0.25 per million input or cached-input tokens and $2.50 per million output tokens
- Source: https://docs.perplexity.ai/docs/resources/changelog#august-2026
- Record: https://forck.live/items/5061-nvidia-nemotron-3-ultra

Perplexity's Agent API and Router API now support the perplexity/nemotron-3-ultra-550b-a55b model at the stated pricing.

## Evidence

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

> The Agent API and Router API now support perplexity/nemotron-3-ultra-550b-a55b at $0.25 per million input or cached-input tokens and $2.50 per million output tokens.

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Record: https://forck.live/items/5061-nvidia-nemotron-3-ultra
Catalogue: https://forck.live/llms.txt
Feed: https://forck.live/feed.md