diff --git a/arch/src/consts.rs b/arch/src/consts.rs
index 4962a75a..572bd2c3 100644
--- a/arch/src/consts.rs
+++ b/arch/src/consts.rs
@@ -11,3 +11,4 @@ pub const MODEL_SERVER_NAME: &str = "model_server";
 pub const ARCH_ROUTING_HEADER: &str = "x-arch-llm-provider";
 pub const ARCH_MESSAGES_KEY: &str = "arch_messages";
 pub const ARCH_PROVIDER_HINT_HEADER: &str = "x-arch-llm-provider-hint";
+pub const CHAT_COMPLETIONS_PATH: &str = "v1/chat/completions";
diff --git a/arch/src/stream_context.rs b/arch/src/stream_context.rs
index 6d15cc41..e91720b7 100644
--- a/arch/src/stream_context.rs
+++ b/arch/src/stream_context.rs
@@ -1,7 +1,8 @@
 use crate::consts::{
     ARCH_FC_REQUEST_TIMEOUT_MS, ARCH_MESSAGES_KEY, ARCH_PROVIDER_HINT_HEADER, ARCH_ROUTING_HEADER,
-    ARC_FC_CLUSTER, DEFAULT_EMBEDDING_MODEL, DEFAULT_INTENT_MODEL, DEFAULT_PROMPT_TARGET_THRESHOLD,
-    GPT_35_TURBO, MODEL_SERVER_NAME, RATELIMIT_SELECTOR_HEADER_KEY, SYSTEM_ROLE, USER_ROLE,
+    ARC_FC_CLUSTER, CHAT_COMPLETIONS_PATH, DEFAULT_EMBEDDING_MODEL, DEFAULT_INTENT_MODEL,
+    DEFAULT_PROMPT_TARGET_THRESHOLD, GPT_35_TURBO, MODEL_SERVER_NAME,
+    RATELIMIT_SELECTOR_HEADER_KEY, SYSTEM_ROLE, USER_ROLE,
 };
 use crate::filter_context::{embeddings_store, WasmMetrics};
 use crate::llm_providers::LlmProviders;
@@ -919,6 +920,9 @@ impl HttpContext for StreamContext {
         self.delete_content_length_header();
         self.save_ratelimit_header();
 
+        self.chat_completions_request =
+            self.get_http_request_header(":path").unwrap_or_default() == CHAT_COMPLETIONS_PATH;
+
         debug!(
             "S[{}] req_headers={:?}",
             self.context_id,
diff --git a/arch/tests/integration.rs b/arch/tests/integration.rs
index d16c5be7..db0ca962 100644
--- a/arch/tests/integration.rs
+++ b/arch/tests/integration.rs
@@ -53,6 +53,8 @@ fn request_headers_expectations(module: &mut Tester, http_context: i32) {
         .returning(Some("selector-value"))
         .expect_get_header_map_pairs(Some(MapType::HttpRequestHeaders))
         .returning(None)
+        .expect_get_header_map_value(Some(MapType::HttpRequestHeaders), Some(":path"))
+        .returning(Some("/v1/chat/completions"))
         .expect_log(Some(LogLevel::Debug), None)
         .execute_and_expect(ReturnType::Action(Action::Continue))
         .unwrap();