diff --git a/src/llm/providers/claude_openrouter_client.py b/src/llm/providers/claude_openrouter_client.py
index 4acd114e..fd441252 100644
--- a/src/llm/providers/claude_openrouter_client.py
+++ b/src/llm/providers/claude_openrouter_client.py
@@ -191,6 +191,8 @@ async def _create_message(
                 or "exceeds the maximum length" in error_str
                 or "exceeds the maximum allowed length" in error_str
                 or "Input tokens exceed the configured limit" in error_str
+                or "Requested token count exceeds the model's maximum context length" in error_str
+                or "BadRequestError" in error_str and "context length" in error_str
             ):
                 logger.debug(f"OpenRouter LLM Context limit exceeded: {error_str}")
                 raise ContextLimitError(f"Context limit exceeded: {error_str}")
diff --git a/src/llm/providers/mirothinker_sglang_client.py b/src/llm/providers/mirothinker_sglang_client.py
index f02309a7..6008f8ca 100644
--- a/src/llm/providers/mirothinker_sglang_client.py
+++ b/src/llm/providers/mirothinker_sglang_client.py
@@ -159,6 +159,8 @@ async def _create_message(
                 or "exceeds the maximum length" in error_str
                 or "exceeds the maximum allowed length" in error_str
                 or "Input tokens exceed the configured limit" in error_str
+                or "Requested token count exceeds the model's maximum context length" in error_str
+                or "BadRequestError" in error_str and "context length" in error_str
             ):
                 logger.debug(f"MiroThinker LLM Context limit exceeded: {error_str}")
                 raise ContextLimitError(f"Context limit exceeded: {error_str}")