Fix temp setting for GPT-5 (#177)

miguelg719 · web-flow · commit 36ba98188409 · 2025-08-12T18:17:25.000-07:00
diff --git a/.changeset/towering-organic-grouse.md b/.changeset/towering-organic-grouse.md
@@ -0,0 +1,5 @@
+---
+"stagehand": patch
+---
+
+Fix temperature setting for GPT-5 family of models
diff --git a/stagehand/llm/client.py b/stagehand/llm/client.py
@@ -110,6 +110,9 @@ def create_response(
         filtered_params = {
             k: v for k, v in params.items() if v is not None or k in kwargs
         }
+        # Fixes parameters for GPT-5 family of models
+        if "gpt-5" in completion_model:
+            filtered_params["temperature"] = 1
 
         self.logger.debug(
             f"Calling litellm.completion with model={completion_model} and params: {filtered_params}",

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"stagehand": patch
 +---
++
 +Fix temperature setting for GPT-5 family of models
Original file line number	Diff line number	Diff line change
`@@ -110,6 +110,9 @@ def create_response(`
`110`	`110`	`filtered_params = {`
`111`	`111`	`k: v for k, v in params.items() if v is not None or k in kwargs`
`112`	`112`	`}`
	`113`	`+ # Fixes parameters for GPT-5 family of models`
	`114`	`+ if "gpt-5" in completion_model:`
	`115`	`+ filtered_params["temperature"] = 1`
`113`	`116`
`114`	`117`	`self.logger.debug(`
`115`	`118`	`f"Calling litellm.completion with model={completion_model} and params: {filtered_params}",`