diff --git a/run_agent.py b/run_agent.py
index 333dda392..2fd73160d 100644
--- a/run_agent.py
+++ b/run_agent.py
@@ -1872,12 +1872,13 @@ class AIAgent:
         if not content:
             return ""
         # Strip all reasoning tag variants: <think>, <thinking>, <THINKING>,
-        # <reasoning>, <REASONING_SCRATCHPAD>
+        # <reasoning>, <REASONING_SCRATCHPAD>, <thought> (Gemma 4)
         content = re.sub(r'<think>.*?</think>', '', content, flags=re.DOTALL)
         content = re.sub(r'<thinking>.*?</thinking>', '', content, flags=re.DOTALL | re.IGNORECASE)
         content = re.sub(r'<reasoning>.*?</reasoning>', '', content, flags=re.DOTALL)
         content = re.sub(r'<REASONING_SCRATCHPAD>.*?</REASONING_SCRATCHPAD>', '', content, flags=re.DOTALL)
-        content = re.sub(r'</?(?:think|thinking|reasoning|REASONING_SCRATCHPAD)>\s*', '', content, flags=re.IGNORECASE)
+        content = re.sub(r'<thought>.*?</thought>', '', content, flags=re.DOTALL | re.IGNORECASE)
+        content = re.sub(r'</?(?:think|thinking|reasoning|thought|REASONING_SCRATCHPAD)>\s*', '', content, flags=re.IGNORECASE)
         return content
 
     def _looks_like_codex_intermediate_ack(