feat(core): add web_search in OpenAI tools list (#32738)

ishahroz · web-flow · commit 4828a85ab007 · 2025-09-02T21:57:25.000Z
diff --git a/libs/core/langchain_core/utils/function_calling.py b/libs/core/langchain_core/utils/function_calling.py
@@ -515,6 +515,7 @@ def convert_to_openai_function(
     "mcp",
     "image_generation",
     "web_search_preview",
+    "web_search",
 )
 
 
diff --git a/libs/partners/openai/langchain_openai/chat_models/base.py b/libs/partners/openai/langchain_openai/chat_models/base.py
@@ -123,6 +123,7 @@
 WellKnownTools = (
     "file_search",
     "web_search_preview",
+    "web_search",
     "computer_use_preview",
     "code_interpreter",
     "mcp",
@@ -2374,7 +2375,7 @@ class GetPopulation(BaseModel):
 
             llm = ChatOpenAI(model="gpt-4.1-mini", output_version="responses/v1")
 
-            tool = {"type": "web_search_preview"}
+            tool = {"type": "web_search"}
             llm_with_tools = llm.bind_tools([tool])
 
             response = llm_with_tools.invoke(
diff --git a/libs/partners/openai/pyproject.toml b/libs/partners/openai/pyproject.toml
@@ -8,7 +8,7 @@ license = { text = "MIT" }
 requires-python = ">=3.9"
 dependencies = [
     "langchain-core<1.0.0,>=0.3.74",
-    "openai<2.0.0,>=1.99.9",
+    "openai<2.0.0,>=1.104.2",
     "tiktoken<1,>=0.7",
 ]
 name = "langchain-openai"
diff --git a/libs/partners/openai/uv.lock b/libs/partners/openai/uv.lock

Original file line number	Diff line number	Diff line change
`@@ -515,6 +515,7 @@ def convert_to_openai_function(`
`515`	`515`	`"mcp",`
`516`	`516`	`"image_generation",`
`517`	`517`	`"web_search_preview",`
	`518`	`+ "web_search",`
`518`	`519`	`)`
`519`	`520`
`520`	`521`