diff --git a/src/exo/worker/engines/mlx/generator/batch_generate.py b/src/exo/worker/engines/mlx/generator/batch_generate.py
index 7ab39fb7..28c69c71 100644
--- a/src/exo/worker/engines/mlx/generator/batch_generate.py
+++ b/src/exo/worker/engines/mlx/generator/batch_generate.py
@@ -332,6 +332,11 @@ class ExoBatchGenerator:
 
         uid = uids[0]
 
+        # Pass request temperature to speculative cycle
+        if hasattr(self._exo_gen, '_request_temp'):
+            request_temp = task_params.temperature if task_params.temperature is not None else 0.7
+            self._exo_gen._request_temp[uid] = request_temp
+
         self._active_tasks[uid] = _EngineTask(
             uid=uid,
             task_params=task_params,
diff --git a/src/exo/worker/engines/mlx/speculative/mtp_batch_generator.py b/src/exo/worker/engines/mlx/speculative/mtp_batch_generator.py
index 0a82581e..2e5dc8d4 100644
--- a/src/exo/worker/engines/mlx/speculative/mtp_batch_generator.py
+++ b/src/exo/worker/engines/mlx/speculative/mtp_batch_generator.py
@@ -45,6 +45,7 @@ class MTPBatchGenerator(BatchGenerator):
         self._captured = {}            # pre_norm / prompt_pre_norm from norm wrapper
         self._mtp_pre_norm = {}        # uid → (B, 1, D) pre-norm hidden state
         self._mtp_prefilled = set()    # uids with MTP cache prefilled
+        self._request_temp = {}        # uid → temperature from request
 
         self._setup_hidden_capture()
 
@@ -134,7 +135,7 @@ class MTPBatchGenerator(BatchGenerator):
             return super()._next()
 
         gamma = self.gamma
-        temp = self.temp
+        temp = self._request_temp.get(uid, self.temp)
         alpha = self.alpha
 
         # 1. Draft γ tokens (lazy chain, no eval)
@@ -303,3 +304,4 @@ class MTPBatchGenerator(BatchGenerator):
         self._mtp_pre_norm.pop(uid, None)
         self._mtp_prefilled.discard(uid)
         self._token_buffer.pop(uid, None)
+        self._request_temp.pop(uid, None)