Sonar
Perplexity's search-grounded answering models, served through its API platform.
At a glance
Current release
From the release row Sonar and Sonar Pro. Sonar Pro token price only; excludes per-request search fees ($5, $8 or $12 per 1K requests for low, medium, high search context). Sonar itself is $1/$1 per 1M, likewise excluding request fees. Sonar Chat Completions support ended September 27, 2026.
Family record: Official documentation · 5 Sep 2026
Built on it
1 product in this catalogue names this family on their own pages.
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Agent API
Perplexity
Official documentation · 5 Sep 2026
Releases
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llama-3.1-sonar online models
First Sonar-named API models, llama-3.1-sonar-small-128k-online and llama-3.1-sonar-large-128k-online with web search; only the month was stated.
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Sonar and Sonar Pro
Sonar and Sonar Pro API launch, replacing the llama-3.1-sonar online models (unavailable from February 22, 2025); Sonar Reasoning Pro and Deep Research (async, reasoning effort added May 2025) followed under the same name; only the month was stated.