diff --git a/src/cleveragents/domain/models/observability/llm_trace.py b/src/cleveragents/domain/models/observability/llm_trace.py
index 51ff24911..de41f487e 100644
--- a/src/cleveragents/domain/models/observability/llm_trace.py
+++ b/src/cleveragents/domain/models/observability/llm_trace.py
@@ -105,9 +105,9 @@ class LLMTrace(BaseModel):
         ge=0.0,
         description="Estimated cost in USD for this call",
     )
-    latency_ms: float = Field(
+    latency_ms: int = Field(
         ...,
-        ge=0.0,
+        ge=0,
         description="Wall-clock latency in milliseconds",
     )
     tool_calls: list[dict[str, Any]] = Field(
@@ -192,11 +192,11 @@ class LLMTraceQuery(BaseModel):
     max_cost_usd: float | None = Field(
         default=None, ge=0.0, description="Maximum cost threshold"
     )
-    min_latency_ms: float | None = Field(
-        default=None, ge=0.0, description="Minimum latency threshold"
+    min_latency_ms: int | None = Field(
+        default=None, ge=0, description="Minimum latency threshold"
     )
-    max_latency_ms: float | None = Field(
-        default=None, ge=0.0, description="Maximum latency threshold"
+    max_latency_ms: int | None = Field(
+        default=None, ge=0, description="Maximum latency threshold"
     )
     has_error: bool | None = Field(default=None, description="Filter by error presence")
     limit: int = Field(default=100, ge=1, le=10000, description="Max results")