diff --git a/cli/utils.py b/cli/utils.py
index 749423e1..8e1d6277 100644
--- a/cli/utils.py
+++ b/cli/utils.py
@@ -164,7 +164,6 @@ def select_shallow_thinking_agent(provider) -> str:
         ],
         "perplexity": [
             ("Sonar - Fast online search", "sonar"),
-            ("Sonar Reasoning - Reasoning with search", "sonar-reasoning"),
             ("Sonar Pro - Advanced online search", "sonar-pro"),
         ],
         "openrouter": [
@@ -237,7 +236,6 @@ def select_deep_thinking_agent(provider) -> str:
         "perplexity": [
             ("Sonar Pro - Advanced online search", "sonar-pro"),
             ("Sonar Reasoning Pro - Advanced reasoning with search", "sonar-reasoning-pro"),
-            ("Sonar Reasoning - Reasoning with search", "sonar-reasoning"),
             ("Sonar Deep Research - In-depth research", "sonar-deep-research"),
         ],
         "openrouter": [
diff --git a/tradingagents/llm_clients/validators.py b/tradingagents/llm_clients/validators.py
index c4d6f675..f123f42d 100644
--- a/tradingagents/llm_clients/validators.py
+++ b/tradingagents/llm_clients/validators.py
@@ -54,7 +54,6 @@ VALID_MODELS = {
         "sonar-reasoning-pro",
         # Sonar series
         "sonar",
-        "sonar-reasoning",
         # Deep Research
         "sonar-deep-research",
     ],