diff --git a/internal/types/entities/model_entities/llm.go b/internal/types/entities/model_entities/llm.go
index 4bc2b58..304ce45 100644
--- a/internal/types/entities/model_entities/llm.go
+++ b/internal/types/entities/model_entities/llm.go
@@ -204,5 +204,5 @@ type LLMResultChunkDelta struct {
 }
 
 type LLMGetNumTokensResponse struct {
-	NumTokens int `json:"num_tokens" validate:"required"`
+	NumTokens int `json:"num_tokens"`
 }