diff --git a/mknodes/templatenodes/mkllm/__init__.py b/mknodes/templatenodes/mkllm/__init__.py
index 4c8fc244..7145ed29 100644
--- a/mknodes/templatenodes/mkllm/__init__.py
+++ b/mknodes/templatenodes/mkllm/__init__.py
@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import functools
 from typing import Any, TYPE_CHECKING
 
 from jinjarope import llmfilters
@@ -17,6 +18,16 @@
 logger = log.get_logger(__name__)
 
 
+@functools.cache
+def complete_llm(user_prompt: str, system_prompt: str, model: str, context: str) -> str:
+    return llmfilters.llm_complete(
+        user_prompt,
+        system_prompt,
+        model=model,
+        context=context,
+    )
+
+
 class MkLlm(mktext.MkText):
     """Node for LLM-based text generation."""
 
@@ -88,7 +99,7 @@ def text(self) -> str:
             "\n".join(filter(None, [self._context, *context_items])) or None
         )
 
-        return llmfilters.llm_complete(
+        return complete_llm(
             self.user_prompt,
             self.system_prompt,
             model=self._model,