Model Tracker
Sonar Reasoning
Sonar Reasoning is an AI model made by Perplexity AI Inc.. It is retired. Perplexity AI Inc. retired it on 27 September 2026.
- Released
- Not confirmed: The official pages reviewed identify Sonar Reasoning but do not state its first availability date.
- Status
- Retired — community.perplexity.ai, read 16 October 2026
- Retired
- 27 September 2026 — community.perplexity.ai, read 16 October 2026
- Takes
- Not confirmed: The official pages reviewed do not specify this model's accepted input modalities.
- Returns
- Not confirmed: The official pages reviewed do not specify this model's output modalities.
- Open weights
- Not confirmed: The official pages reviewed do not say whether this model's weights are open or downloadable.
- Licence
- Not confirmed: The official pages reviewed do not name a licence for this model.
- Context window
- Not confirmed: The official pages reviewed do not print a standard context-window limit for Sonar Reasoning.
- Longest answer
- Not confirmed: The official pages reviewed do not print a standard maximum output-token limit for Sonar Reasoning.
- Knowledge cutoff
- Not confirmed: The official pages reviewed do not state a knowledge-cutoff date for this model.
- API price, input
- Not confirmed: The current official pricing page reviewed does not provide a standard input-token rate for this retired Sonar model; a historical rate could not be confirmed from the maker's pages.
- API price, output
- Not confirmed: The current official pricing page reviewed does not provide a standard output-token rate for this retired Sonar model; a historical rate could not be confirmed from the maker's pages.
- Where
- API — www.perplexity.ai, read 16 October 2026
- Parameters
- Not confirmed: The official pages reviewed do not publish a parameter count for this model.
- Model card
- Not confirmed: No model card or system card for Sonar Reasoning was identified among the official pages reviewed.
Questions
Is Sonar Reasoning still available?
No: Perplexity AI Inc. retired Sonar Reasoning on 27 September 2026.
More from Perplexity AI Inc.
Sources
- Perplexity Sonar Dominates New Search Arena Evaluation (read 16 October 2026)
- Sonar is moving to the Agent API (read 16 October 2026)
- Pricing (read 16 October 2026)