Sonar Pro

Claims and evidence

• Released 21 January 2025Generally available to all developers from the day of the announcement; listed in the API model list captured on 2025-01-22. ● Primary source[1]second paragraph [5]Supported Models table [3]January 2025: Build with Perplexity's new APIs
• Deprecated July 2026Changelog entry tagged Deprecation, labelled July 2026 (month only). The migration guide gives 2026-09-27 as the end of Sonar Chat Completions support. ● Primary source[3]July 2026: Sonar Chat Completions migration

• Status DeprecatedSonar Chat Completions support ended on 2026-09-27. Synchronous and streaming requests keep working but are being reformulated as Agent API requests, rolling out gradually by model; the migration guide maps this model to the fast preset. The Agent API Models page lists no id for this model. ● Primary source[4]introduction; How Sonar Chat Completions maps to Agent API presets [3]July 2026: Sonar Chat Completions migration

• Successor of Llama 3.1 SonarThe January 2025 notice removes the llama-3.1-sonar online models on 2025-02-22 and recommends the recently released Sonar or Sonar Pro. ● Primary source[3]January 2025: API model deprecation notice

• Change · Context length Context length of 200k tokens, up from 127k for the llama-3.1-sonar online models it replaced.Compared with Llama 3.1 Sonar ● Primary source[2]Supported Models table
• Change · Other Perplexity says it returns on average twice as many citations per search as Sonar and is meant for multi-step queries.Compared with Sonar ● Primary source[1]

• Input text, imageImage input was opened to all API users in April 2025, not at launch. ● Primary source[6]Overview; Request Format [3]April 2025: Image uploads now available for all users
• Feature RetrievalAnswers grounded in real-time web search, with citations. ● Primary source[7]Key Features [1]second and fourth paragraphs
• Context window 200k tokensMaximum output listed as 8k tokens. ● Primary source[5]Supported Models table [7]Context Length
• Parameters Not disclosedNot disclosed by Perplexity. No claim madeNo source
• Access API ● Primary source[1]second paragraph

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