diff --git a/sidercall.py b/sidercall.py
index ad38aad..1749287 100644
--- a/sidercall.py
+++ b/sidercall.py
@@ -37,7 +37,7 @@ class SiderLLMSession:
         return full_text   
 
 class ClaudeSession:
-    def __init__(self, api_key, api_base, model="claude-opus", context_win=9000):
+    def __init__(self, api_key, api_base, model="claude-opus", context_win=10000):
         self.api_key, self.api_base, self.default_model, self.context_win = api_key, api_base.rstrip('/'), model, context_win
         self.raw_msgs, self.lock = [], threading.Lock()
     def _trim_messages(self, messages):
@@ -51,7 +51,7 @@ class ClaudeSession:
             else: break
         if current > self.context_win * 3.6: print(f'[DEBUG] {len(result)} contexts, whole length {current//4} tokens.')
         return result[::-1] or messages[-2:]
-    def raw_ask(self, messages, model=None, temperature=0.5, max_tokens=4096):
+    def raw_ask(self, messages, model=None, temperature=0.5, max_tokens=6144):
         model = model or self.default_model
         headers = {"x-api-key": self.api_key, "Content-Type": "application/json", "anthropic-version": "2023-06-01"}
         payload = {"model": model, "messages": messages, "temperature": temperature, "max_tokens": max_tokens, "stream": True}