diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0c3ec30cf9..8bcd8a5b4f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.76.1"
+  ".": "1.76.2"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c5b507e43..bc85128f6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.76.2 (2025-04-29)
+
+Full Changelog: [v1.76.1...v1.76.2](https://github.com/openai/openai-python/compare/v1.76.1...v1.76.2)
+
+### Chores
+
+* **api:** API spec cleanup ([0a4d3e2](https://github.com/openai/openai-python/commit/0a4d3e2b495d22dd42ce1773b870554c64f9b3b2))
+
 ## 1.76.1 (2025-04-29)
 
 Full Changelog: [v1.76.0...v1.76.1](https://github.com/openai/openai-python/compare/v1.76.0...v1.76.1)
diff --git a/pyproject.toml b/pyproject.toml
index 570e59ec67..2c3c3eaf3b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openai"
-version = "1.76.1"
+version = "1.76.2"
 description = "The official Python library for the openai API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/openai/_version.py b/src/openai/_version.py
index 77a1b26c42..ef1e3fe526 100644
--- a/src/openai/_version.py
+++ b/src/openai/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "openai"
-__version__ = "1.76.1"  # x-release-please-version
+__version__ = "1.76.2"  # x-release-please-version
diff --git a/src/openai/lib/streaming/responses/_events.py b/src/openai/lib/streaming/responses/_events.py
index fe17edf649..0cdc5992ee 100644
--- a/src/openai/lib/streaming/responses/_events.py
+++ b/src/openai/lib/streaming/responses/_events.py
@@ -32,7 +32,11 @@
     ResponseFileSearchCallSearchingEvent,
     ResponseWebSearchCallInProgressEvent,
     ResponseFileSearchCallInProgressEvent,
+    ResponseReasoningSummaryPartDoneEvent,
+    ResponseReasoningSummaryTextDoneEvent,
     ResponseFunctionCallArgumentsDoneEvent,
+    ResponseReasoningSummaryPartAddedEvent,
+    ResponseReasoningSummaryTextDeltaEvent,
     ResponseFunctionCallArgumentsDeltaEvent as RawResponseFunctionCallArgumentsDeltaEvent,
     ResponseCodeInterpreterCallCodeDoneEvent,
     ResponseCodeInterpreterCallCodeDeltaEvent,
@@ -101,6 +105,10 @@ class ResponseCompletedEvent(RawResponseCompletedEvent, GenericModel, Generic[Te
         ResponseWebSearchCallCompletedEvent,
         ResponseWebSearchCallInProgressEvent,
         ResponseWebSearchCallSearchingEvent,
+        ResponseReasoningSummaryPartAddedEvent,
+        ResponseReasoningSummaryPartDoneEvent,
+        ResponseReasoningSummaryTextDeltaEvent,
+        ResponseReasoningSummaryTextDoneEvent,
     ],
     PropertyInfo(discriminator="type"),
 ]
diff --git a/src/openai/resources/beta/threads/threads.py b/src/openai/resources/beta/threads/threads.py
index 22dc5fe0ea..13d8cb6411 100644
--- a/src/openai/resources/beta/threads/threads.py
+++ b/src/openai/resources/beta/threads/threads.py
@@ -741,7 +741,7 @@ def create_and_run_poll(
         thread: thread_create_and_run_params.Thread | NotGiven = NOT_GIVEN,
         tool_choice: Optional[AssistantToolChoiceOptionParam] | NotGiven = NOT_GIVEN,
         tool_resources: Optional[thread_create_and_run_params.ToolResources] | NotGiven = NOT_GIVEN,
-        tools: Optional[Iterable[thread_create_and_run_params.Tool]] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[AssistantToolParam]] | NotGiven = NOT_GIVEN,
         top_p: Optional[float] | NotGiven = NOT_GIVEN,
         truncation_strategy: Optional[thread_create_and_run_params.TruncationStrategy] | NotGiven = NOT_GIVEN,
         poll_interval_ms: int | NotGiven = NOT_GIVEN,
@@ -797,7 +797,7 @@ def create_and_run_stream(
         thread: thread_create_and_run_params.Thread | NotGiven = NOT_GIVEN,
         tool_choice: Optional[AssistantToolChoiceOptionParam] | NotGiven = NOT_GIVEN,
         tool_resources: Optional[thread_create_and_run_params.ToolResources] | NotGiven = NOT_GIVEN,
-        tools: Optional[Iterable[thread_create_and_run_params.Tool]] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[AssistantToolParam]] | NotGiven = NOT_GIVEN,
         top_p: Optional[float] | NotGiven = NOT_GIVEN,
         truncation_strategy: Optional[thread_create_and_run_params.TruncationStrategy] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
@@ -826,7 +826,7 @@ def create_and_run_stream(
         thread: thread_create_and_run_params.Thread | NotGiven = NOT_GIVEN,
         tool_choice: Optional[AssistantToolChoiceOptionParam] | NotGiven = NOT_GIVEN,
         tool_resources: Optional[thread_create_and_run_params.ToolResources] | NotGiven = NOT_GIVEN,
-        tools: Optional[Iterable[thread_create_and_run_params.Tool]] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[AssistantToolParam]] | NotGiven = NOT_GIVEN,
         top_p: Optional[float] | NotGiven = NOT_GIVEN,
         truncation_strategy: Optional[thread_create_and_run_params.TruncationStrategy] | NotGiven = NOT_GIVEN,
         event_handler: AssistantEventHandlerT,
@@ -855,7 +855,7 @@ def create_and_run_stream(
         thread: thread_create_and_run_params.Thread | NotGiven = NOT_GIVEN,
         tool_choice: Optional[AssistantToolChoiceOptionParam] | NotGiven = NOT_GIVEN,
         tool_resources: Optional[thread_create_and_run_params.ToolResources] | NotGiven = NOT_GIVEN,
-        tools: Optional[Iterable[thread_create_and_run_params.Tool]] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[AssistantToolParam]] | NotGiven = NOT_GIVEN,
         top_p: Optional[float] | NotGiven = NOT_GIVEN,
         truncation_strategy: Optional[thread_create_and_run_params.TruncationStrategy] | NotGiven = NOT_GIVEN,
         event_handler: AssistantEventHandlerT | None = None,
@@ -1590,7 +1590,7 @@ async def create_and_run_poll(
         thread: thread_create_and_run_params.Thread | NotGiven = NOT_GIVEN,
         tool_choice: Optional[AssistantToolChoiceOptionParam] | NotGiven = NOT_GIVEN,
         tool_resources: Optional[thread_create_and_run_params.ToolResources] | NotGiven = NOT_GIVEN,
-        tools: Optional[Iterable[thread_create_and_run_params.Tool]] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[AssistantToolParam]] | NotGiven = NOT_GIVEN,
         top_p: Optional[float] | NotGiven = NOT_GIVEN,
         truncation_strategy: Optional[thread_create_and_run_params.TruncationStrategy] | NotGiven = NOT_GIVEN,
         poll_interval_ms: int | NotGiven = NOT_GIVEN,
@@ -1648,7 +1648,7 @@ def create_and_run_stream(
         thread: thread_create_and_run_params.Thread | NotGiven = NOT_GIVEN,
         tool_choice: Optional[AssistantToolChoiceOptionParam] | NotGiven = NOT_GIVEN,
         tool_resources: Optional[thread_create_and_run_params.ToolResources] | NotGiven = NOT_GIVEN,
-        tools: Optional[Iterable[thread_create_and_run_params.Tool]] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[AssistantToolParam]] | NotGiven = NOT_GIVEN,
         top_p: Optional[float] | NotGiven = NOT_GIVEN,
         truncation_strategy: Optional[thread_create_and_run_params.TruncationStrategy] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
@@ -1677,7 +1677,7 @@ def create_and_run_stream(
         thread: thread_create_and_run_params.Thread | NotGiven = NOT_GIVEN,
         tool_choice: Optional[AssistantToolChoiceOptionParam] | NotGiven = NOT_GIVEN,
         tool_resources: Optional[thread_create_and_run_params.ToolResources] | NotGiven = NOT_GIVEN,
-        tools: Optional[Iterable[thread_create_and_run_params.Tool]] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[AssistantToolParam]] | NotGiven = NOT_GIVEN,
         top_p: Optional[float] | NotGiven = NOT_GIVEN,
         truncation_strategy: Optional[thread_create_and_run_params.TruncationStrategy] | NotGiven = NOT_GIVEN,
         event_handler: AsyncAssistantEventHandlerT,
@@ -1706,7 +1706,7 @@ def create_and_run_stream(
         thread: thread_create_and_run_params.Thread | NotGiven = NOT_GIVEN,
         tool_choice: Optional[AssistantToolChoiceOptionParam] | NotGiven = NOT_GIVEN,
         tool_resources: Optional[thread_create_and_run_params.ToolResources] | NotGiven = NOT_GIVEN,
-        tools: Optional[Iterable[thread_create_and_run_params.Tool]] | NotGiven = NOT_GIVEN,
+        tools: Optional[Iterable[AssistantToolParam]] | NotGiven = NOT_GIVEN,
         top_p: Optional[float] | NotGiven = NOT_GIVEN,
         truncation_strategy: Optional[thread_create_and_run_params.TruncationStrategy] | NotGiven = NOT_GIVEN,
         event_handler: AsyncAssistantEventHandlerT | None = None,