CriticalDeprecation
Perplexity deprecates sonar-reasoning model — migrate to sonar-reasoning-pro immediately
Action Required
Failure to migrate from the deprecated sonar-reasoning model will result in service disruption for Perplexity applications.
AI Impact Summary
Perplexity is deprecating the sonar-reasoning model, a critical change that requires immediate migration to the sonar-reasoning-pro model to avoid service disruption. This deprecation is coupled with new Search API enhancements, including token control and filtering, which represent a significant upgrade for users. The combination of deprecation and new features necessitates a thorough review of existing integrations and workflows.
Perplexity deprecates sonar-reasoning model — migrate to sonar-reasoning-pro immediately
Affected Systems
sonar-reasoning
- Date
- 1 Dec 2025
- Change type
- deprecation
- Severity
- critical