HighDeprecation
Perplexity removes R1-1776 model from API
Action Required
Applications using the R1-1776 model will no longer function, requiring immediate migration to a supported alternative.
AI Impact Summary
Perplexity has permanently removed the R1-1776 model from its API, impacting any applications relying on it. This is a critical change due to the model's lack of recent improvements and missing support for newer features. Users must immediately migrate to Sonar Pro Reasoning or another supported model to avoid service disruption.
Perplexity removes R1-1776 model from API
Affected Systems
Perplexity API
- Date
- 1 Aug 2025
- Change type
- deprecation
- Severity
- high