diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5868289349..cff01f26f0 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.14.0"
+  ".": "2.15.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index e9485c8224..fe01e150f9 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 137
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-75926226b642ebb2cb415694da9dff35e8ab40145ac1b791cefb82a83809db4d.yml
-openapi_spec_hash: 6a0e391b0ba5747b6b4a3e5fe21de4da
-config_hash: adcf23ecf5f84d3cadf1d71e82ec636a
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-9442fa9212dd61aac2bb0edd19744bee381e75888712f9098bc6ebb92c52b557.yml
+openapi_spec_hash: f87823d164b7a8f72a42eba04e482a99
+config_hash: ad7136f7366fddec432ec378939e58a7
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca71bc108e..4630e50610 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 2.15.0 (2026-01-09)
+
+Full Changelog: [v2.14.0...v2.15.0](https://github.com/openai/openai-python/compare/v2.14.0...v2.15.0)
+
+### Features
+
+* **api:** add new Response completed_at prop ([f077752](https://github.com/openai/openai-python/commit/f077752f4a8364a74f784f8fb1cbe31277e1762b))
+
+
+### Chores
+
+* **internal:** codegen related update ([e7daba6](https://github.com/openai/openai-python/commit/e7daba6662a3c30f73d991e96cb19d2b54d772e0))
+
 ## 2.14.0 (2025-12-19)
 
 Full Changelog: [v2.13.0...v2.14.0](https://github.com/openai/openai-python/compare/v2.13.0...v2.14.0)
diff --git a/LICENSE b/LICENSE
index f011417af6..cbb5bb26e4 100644
--- a/LICENSE
+++ b/LICENSE
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2025 OpenAI
+   Copyright 2026 OpenAI
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/pyproject.toml b/pyproject.toml
index a720293abb..2d835b05af 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openai"
-version = "2.14.0"
+version = "2.15.0"
 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 5fe6b5b08c..6f0ccf7d72 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__ = "2.14.0"  # x-release-please-version
+__version__ = "2.15.0"  # x-release-please-version
diff --git a/src/openai/resources/audio/speech.py b/src/openai/resources/audio/speech.py
index b92fcb73d3..f2c8d635f3 100644
--- a/src/openai/resources/audio/speech.py
+++ b/src/openai/resources/audio/speech.py
@@ -74,9 +74,10 @@ def create(
               One of the available [TTS models](https://platform.openai.com/docs/models#tts):
               `tts-1`, `tts-1-hd`, `gpt-4o-mini-tts`, or `gpt-4o-mini-tts-2025-12-15`.
 
-          voice: The voice to use when generating the audio. Supported voices are `alloy`, `ash`,
-              `ballad`, `coral`, `echo`, `fable`, `onyx`, `nova`, `sage`, `shimmer`, and
-              `verse`. Previews of the voices are available in the
+          voice: The voice to use when generating the audio. Supported built-in voices are
+              `alloy`, `ash`, `ballad`, `coral`, `echo`, `fable`, `onyx`, `nova`, `sage`,
+              `shimmer`, `verse`, `marin`, and `cedar`. Previews of the voices are available
+              in the
               [Text to speech guide](https://platform.openai.com/docs/guides/text-to-speech#voice-options).
 
           instructions: Control the voice of your generated audio with additional instructions. Does not
@@ -170,9 +171,10 @@ async def create(
               One of the available [TTS models](https://platform.openai.com/docs/models#tts):
               `tts-1`, `tts-1-hd`, `gpt-4o-mini-tts`, or `gpt-4o-mini-tts-2025-12-15`.
 
-          voice: The voice to use when generating the audio. Supported voices are `alloy`, `ash`,
-              `ballad`, `coral`, `echo`, `fable`, `onyx`, `nova`, `sage`, `shimmer`, and
-              `verse`. Previews of the voices are available in the
+          voice: The voice to use when generating the audio. Supported built-in voices are
+              `alloy`, `ash`, `ballad`, `coral`, `echo`, `fable`, `onyx`, `nova`, `sage`,
+              `shimmer`, `verse`, `marin`, and `cedar`. Previews of the voices are available
+              in the
               [Text to speech guide](https://platform.openai.com/docs/guides/text-to-speech#voice-options).
 
           instructions: Control the voice of your generated audio with additional instructions. Does not
diff --git a/src/openai/resources/images.py b/src/openai/resources/images.py
index 79505a8269..805828488f 100644
--- a/src/openai/resources/images.py
+++ b/src/openai/resources/images.py
@@ -146,7 +146,8 @@ def edit(
         """Creates an edited or extended image given one or more source images and a
         prompt.
 
-        This endpoint only supports `gpt-image-1` and `dall-e-2`.
+        This endpoint supports GPT Image models (`gpt-image-1.5`, `gpt-image-1`,
+        and `gpt-image-1-mini`) and `dall-e-2`.
 
         Args:
           image: The image(s) to edit. Must be a supported image file or an array of images.
@@ -260,7 +261,8 @@ def edit(
         """Creates an edited or extended image given one or more source images and a
         prompt.
 
-        This endpoint only supports `gpt-image-1` and `dall-e-2`.
+        This endpoint supports GPT Image models (`gpt-image-1.5`, `gpt-image-1`,
+        and `gpt-image-1-mini`) and `dall-e-2`.
 
         Args:
           image: The image(s) to edit. Must be a supported image file or an array of images.
@@ -374,7 +376,8 @@ def edit(
         """Creates an edited or extended image given one or more source images and a
         prompt.
 
-        This endpoint only supports `gpt-image-1` and `dall-e-2`.
+        This endpoint supports GPT Image models (`gpt-image-1.5`, `gpt-image-1`,
+        and `gpt-image-1-mini`) and `dall-e-2`.
 
         Args:
           image: The image(s) to edit. Must be a supported image file or an array of images.
@@ -1039,7 +1042,8 @@ async def edit(
         """Creates an edited or extended image given one or more source images and a
         prompt.
 
-        This endpoint only supports `gpt-image-1` and `dall-e-2`.
+        This endpoint supports GPT Image models (`gpt-image-1.5`, `gpt-image-1`,
+        and `gpt-image-1-mini`) and `dall-e-2`.
 
         Args:
           image: The image(s) to edit. Must be a supported image file or an array of images.
@@ -1153,7 +1157,8 @@ async def edit(
         """Creates an edited or extended image given one or more source images and a
         prompt.
 
-        This endpoint only supports `gpt-image-1` and `dall-e-2`.
+        This endpoint supports GPT Image models (`gpt-image-1.5`, `gpt-image-1`,
+        and `gpt-image-1-mini`) and `dall-e-2`.
 
         Args:
           image: The image(s) to edit. Must be a supported image file or an array of images.
@@ -1267,7 +1272,8 @@ async def edit(
         """Creates an edited or extended image given one or more source images and a
         prompt.
 
-        This endpoint only supports `gpt-image-1` and `dall-e-2`.
+        This endpoint supports GPT Image models (`gpt-image-1.5`, `gpt-image-1`,
+        and `gpt-image-1-mini`) and `dall-e-2`.
 
         Args:
           image: The image(s) to edit. Must be a supported image file or an array of images.
diff --git a/src/openai/resources/responses/input_tokens.py b/src/openai/resources/responses/input_tokens.py
index 0f47955fe4..8664164655 100644
--- a/src/openai/resources/responses/input_tokens.py
+++ b/src/openai/resources/responses/input_tokens.py
@@ -102,9 +102,7 @@ def count(
               - [Text inputs and outputs](https://platform.openai.com/docs/guides/text)
               - [Structured Outputs](https://platform.openai.com/docs/guides/structured-outputs)
 
-          tool_choice: How the model should select which tool (or tools) to use when generating a
-              response. See the `tools` parameter to see how to specify which tools the model
-              can call.
+          tool_choice: Controls which tool the model should use, if any.
 
           tools: An array of tools the model may call while generating a response. You can
               specify which tool to use by setting the `tool_choice` parameter.
@@ -227,9 +225,7 @@ async def count(
               - [Text inputs and outputs](https://platform.openai.com/docs/guides/text)
               - [Structured Outputs](https://platform.openai.com/docs/guides/structured-outputs)
 
-          tool_choice: How the model should select which tool (or tools) to use when generating a
-              response. See the `tools` parameter to see how to specify which tools the model
-              can call.
+          tool_choice: Controls which tool the model should use, if any.
 
           tools: An array of tools the model may call while generating a response. You can
               specify which tool to use by setting the `tool_choice` parameter.
diff --git a/src/openai/types/audio/speech_create_params.py b/src/openai/types/audio/speech_create_params.py
index 37180995c8..417df5b218 100644
--- a/src/openai/types/audio/speech_create_params.py
+++ b/src/openai/types/audio/speech_create_params.py
@@ -25,9 +25,9 @@ class SpeechCreateParams(TypedDict, total=False):
     ]
     """The voice to use when generating the audio.
 
-    Supported voices are `alloy`, `ash`, `ballad`, `coral`, `echo`, `fable`, `onyx`,
-    `nova`, `sage`, `shimmer`, and `verse`. Previews of the voices are available in
-    the
+    Supported built-in voices are `alloy`, `ash`, `ballad`, `coral`, `echo`,
+    `fable`, `onyx`, `nova`, `sage`, `shimmer`, `verse`, `marin`, and `cedar`.
+    Previews of the voices are available in the
     [Text to speech guide](https://platform.openai.com/docs/guides/text-to-speech#voice-options).
     """
 
diff --git a/src/openai/types/chat/chat_completion_audio_param.py b/src/openai/types/chat/chat_completion_audio_param.py
index cac3c8b9d4..1a73bb0c7e 100644
--- a/src/openai/types/chat/chat_completion_audio_param.py
+++ b/src/openai/types/chat/chat_completion_audio_param.py
@@ -26,6 +26,6 @@ class ChatCompletionAudioParam(TypedDict, total=False):
     ]
     """The voice the model uses to respond.
 
-    Supported voices are `alloy`, `ash`, `ballad`, `coral`, `echo`, `fable`, `nova`,
-    `onyx`, `sage`, and `shimmer`.
+    Supported built-in voices are `alloy`, `ash`, `ballad`, `coral`, `echo`,
+    `fable`, `nova`, `onyx`, `sage`, `shimmer`, `marin`, and `cedar`.
     """
diff --git a/src/openai/types/realtime/realtime_audio_config_output.py b/src/openai/types/realtime/realtime_audio_config_output.py
index a8af237c1d..2922405f63 100644
--- a/src/openai/types/realtime/realtime_audio_config_output.py
+++ b/src/openai/types/realtime/realtime_audio_config_output.py
@@ -29,8 +29,8 @@ class RealtimeAudioConfigOutput(BaseModel):
     ] = None
     """The voice the model uses to respond.
 
-    Voice cannot be changed during the session once the model has responded with
-    audio at least once. Current voice options are `alloy`, `ash`, `ballad`,
-    `coral`, `echo`, `sage`, `shimmer`, `verse`, `marin`, and `cedar`. We recommend
+    Supported built-in voices are `alloy`, `ash`, `ballad`, `coral`, `echo`, `sage`,
+    `shimmer`, `verse`, `marin`, and `cedar`. Voice cannot be changed during the
+    session once the model has responded with audio at least once. We recommend
     `marin` and `cedar` for best quality.
     """
diff --git a/src/openai/types/realtime/realtime_audio_config_output_param.py b/src/openai/types/realtime/realtime_audio_config_output_param.py
index 8e887d3464..d04fd3a303 100644
--- a/src/openai/types/realtime/realtime_audio_config_output_param.py
+++ b/src/openai/types/realtime/realtime_audio_config_output_param.py
@@ -28,8 +28,8 @@ class RealtimeAudioConfigOutputParam(TypedDict, total=False):
     voice: Union[str, Literal["alloy", "ash", "ballad", "coral", "echo", "sage", "shimmer", "verse", "marin", "cedar"]]
     """The voice the model uses to respond.
 
-    Voice cannot be changed during the session once the model has responded with
-    audio at least once. Current voice options are `alloy`, `ash`, `ballad`,
-    `coral`, `echo`, `sage`, `shimmer`, `verse`, `marin`, and `cedar`. We recommend
+    Supported built-in voices are `alloy`, `ash`, `ballad`, `coral`, `echo`, `sage`,
+    `shimmer`, `verse`, `marin`, and `cedar`. Voice cannot be changed during the
+    session once the model has responded with audio at least once. We recommend
     `marin` and `cedar` for best quality.
     """
diff --git a/src/openai/types/realtime/realtime_response_create_audio_output.py b/src/openai/types/realtime/realtime_response_create_audio_output.py
index b8f4d284d5..db02511ab1 100644
--- a/src/openai/types/realtime/realtime_response_create_audio_output.py
+++ b/src/openai/types/realtime/realtime_response_create_audio_output.py
@@ -18,10 +18,9 @@ class Output(BaseModel):
     ] = None
     """The voice the model uses to respond.
 
-    Voice cannot be changed during the session once the model has responded with
-    audio at least once. Current voice options are `alloy`, `ash`, `ballad`,
-    `coral`, `echo`, `sage`, `shimmer`, `verse`, `marin`, and `cedar`. We recommend
-    `marin` and `cedar` for best quality.
+    Supported built-in voices are `alloy`, `ash`, `ballad`, `coral`, `echo`, `sage`,
+    `shimmer`, `verse`, `marin`, and `cedar`. Voice cannot be changed during the
+    session once the model has responded with audio at least once.
     """
 
 
diff --git a/src/openai/types/realtime/realtime_response_create_audio_output_param.py b/src/openai/types/realtime/realtime_response_create_audio_output_param.py
index 30a4633698..22787ad106 100644
--- a/src/openai/types/realtime/realtime_response_create_audio_output_param.py
+++ b/src/openai/types/realtime/realtime_response_create_audio_output_param.py
@@ -17,10 +17,9 @@ class Output(TypedDict, total=False):
     voice: Union[str, Literal["alloy", "ash", "ballad", "coral", "echo", "sage", "shimmer", "verse", "marin", "cedar"]]
     """The voice the model uses to respond.
 
-    Voice cannot be changed during the session once the model has responded with
-    audio at least once. Current voice options are `alloy`, `ash`, `ballad`,
-    `coral`, `echo`, `sage`, `shimmer`, `verse`, `marin`, and `cedar`. We recommend
-    `marin` and `cedar` for best quality.
+    Supported built-in voices are `alloy`, `ash`, `ballad`, `coral`, `echo`, `sage`,
+    `shimmer`, `verse`, `marin`, and `cedar`. Voice cannot be changed during the
+    session once the model has responded with audio at least once.
     """
 
 
diff --git a/src/openai/types/responses/input_token_count_params.py b/src/openai/types/responses/input_token_count_params.py
index 50cc950e41..97ee4bf6ca 100644
--- a/src/openai/types/responses/input_token_count_params.py
+++ b/src/openai/types/responses/input_token_count_params.py
@@ -78,11 +78,7 @@ class InputTokenCountParams(TypedDict, total=False):
     """
 
     tool_choice: Optional[ToolChoice]
-    """
-    How the model should select which tool (or tools) to use when generating a
-    response. See the `tools` parameter to see how to specify which tools the model
-    can call.
-    """
+    """Controls which tool the model should use, if any."""
 
     tools: Optional[Iterable[ToolParam]]
     """An array of tools the model may call while generating a response.
diff --git a/src/openai/types/responses/response.py b/src/openai/types/responses/response.py
index 00c38c064e..6bac7d65de 100644
--- a/src/openai/types/responses/response.py
+++ b/src/openai/types/responses/response.py
@@ -47,13 +47,13 @@ class IncompleteDetails(BaseModel):
 
 
 class Conversation(BaseModel):
-    """The conversation that this response belongs to.
+    """The conversation that this response belonged to.
 
-    Input items and output items from this response are automatically added to this conversation.
+    Input items and output items from this response were automatically added to this conversation.
     """
 
     id: str
-    """The unique ID of the conversation."""
+    """The unique ID of the conversation that this response was associated with."""
 
 
 class Response(BaseModel):
@@ -165,10 +165,16 @@ class Response(BaseModel):
     [Learn more](https://platform.openai.com/docs/guides/background).
     """
 
+    completed_at: Optional[float] = None
+    """
+    Unix timestamp (in seconds) of when this Response was completed. Only present
+    when the status is `completed`.
+    """
+
     conversation: Optional[Conversation] = None
-    """The conversation that this response belongs to.
+    """The conversation that this response belonged to.
 
-    Input items and output items from this response are automatically added to this
+    Input items and output items from this response were automatically added to this
     conversation.
     """
 
diff --git a/src/openai/types/responses/response_compaction_item.py b/src/openai/types/responses/response_compaction_item.py
index f5f8b97f4e..36e953b127 100644
--- a/src/openai/types/responses/response_compaction_item.py
+++ b/src/openai/types/responses/response_compaction_item.py
@@ -17,8 +17,10 @@ class ResponseCompactionItem(BaseModel):
     """The unique ID of the compaction item."""
 
     encrypted_content: str
+    """The encrypted content that was produced by compaction."""
 
     type: Literal["compaction"]
     """The type of the item. Always `compaction`."""
 
     created_by: Optional[str] = None
+    """The identifier of the actor that created the item."""
diff --git a/src/openai/types/responses/response_compaction_item_param.py b/src/openai/types/responses/response_compaction_item_param.py
index 5dcc921d67..5ef134b074 100644
--- a/src/openai/types/responses/response_compaction_item_param.py
+++ b/src/openai/types/responses/response_compaction_item_param.py
@@ -14,6 +14,7 @@ class ResponseCompactionItemParam(BaseModel):
     """
 
     encrypted_content: str
+    """The encrypted content of the compaction summary."""
 
     type: Literal["compaction"]
     """The type of the item. Always `compaction`."""
diff --git a/src/openai/types/responses/response_compaction_item_param_param.py b/src/openai/types/responses/response_compaction_item_param_param.py
index b9b5ab031c..b4d72c2e5f 100644
--- a/src/openai/types/responses/response_compaction_item_param_param.py
+++ b/src/openai/types/responses/response_compaction_item_param_param.py
@@ -14,6 +14,7 @@ class ResponseCompactionItemParamParam(TypedDict, total=False):
     """
 
     encrypted_content: Required[str]
+    """The encrypted content of the compaction summary."""
 
     type: Required[Literal["compaction"]]
     """The type of the item. Always `compaction`."""
diff --git a/src/openai/types/responses/response_function_shell_tool_call_output.py b/src/openai/types/responses/response_function_shell_tool_call_output.py
index 7885ee2f83..5523d57ba7 100644
--- a/src/openai/types/responses/response_function_shell_tool_call_output.py
+++ b/src/openai/types/responses/response_function_shell_tool_call_output.py
@@ -36,7 +36,7 @@ class OutputOutcomeExit(BaseModel):
 
 
 class Output(BaseModel):
-    """The content of a shell call output."""
+    """The content of a shell tool call output that was emitted."""
 
     outcome: OutputOutcome
     """
@@ -45,14 +45,17 @@ class Output(BaseModel):
     """
 
     stderr: str
+    """The standard error output that was captured."""
 
     stdout: str
+    """The standard output that was captured."""
 
     created_by: Optional[str] = None
+    """The identifier of the actor that created the item."""
 
 
 class ResponseFunctionShellToolCallOutput(BaseModel):
-    """The output of a shell tool call."""
+    """The output of a shell tool call that was emitted."""
 
     id: str
     """The unique ID of the shell call output.
@@ -76,3 +79,4 @@ class ResponseFunctionShellToolCallOutput(BaseModel):
     """The type of the shell call output. Always `shell_call_output`."""
 
     created_by: Optional[str] = None
+    """The identifier of the actor that created the item."""
diff --git a/src/openai/types/responses/response_function_web_search.py b/src/openai/types/responses/response_function_web_search.py
index 1450fba4d1..0cb7e0b0d1 100644
--- a/src/openai/types/responses/response_function_web_search.py
+++ b/src/openai/types/responses/response_function_web_search.py
@@ -23,11 +23,14 @@ class ActionSearch(BaseModel):
     """Action type "search" - Performs a web search query."""
 
     query: str
-    """The search query."""
+    """[DEPRECATED] The search query."""
 
     type: Literal["search"]
     """The action type."""
 
+    queries: Optional[List[str]] = None
+    """The search queries."""
+
     sources: Optional[List[ActionSearchSource]] = None
     """The sources used in the search."""
 
diff --git a/src/openai/types/responses/response_function_web_search_param.py b/src/openai/types/responses/response_function_web_search_param.py
index 8d0b60334d..7db3e3c833 100644
--- a/src/openai/types/responses/response_function_web_search_param.py
+++ b/src/openai/types/responses/response_function_web_search_param.py
@@ -5,6 +5,8 @@
 from typing import Union, Iterable
 from typing_extensions import Literal, Required, TypeAlias, TypedDict
 
+from ..._types import SequenceNotStr
+
 __all__ = [
     "ResponseFunctionWebSearchParam",
     "Action",
@@ -29,11 +31,14 @@ class ActionSearch(TypedDict, total=False):
     """Action type "search" - Performs a web search query."""
 
     query: Required[str]
-    """The search query."""
+    """[DEPRECATED] The search query."""
 
     type: Required[Literal["search"]]
     """The action type."""
 
+    queries: SequenceNotStr[str]
+    """The search queries."""
+
     sources: Iterable[ActionSearchSource]
     """The sources used in the search."""
 
diff --git a/src/openai/types/responses/tool.py b/src/openai/types/responses/tool.py
index 20f50e4478..019962a0ba 100644
--- a/src/openai/types/responses/tool.py
+++ b/src/openai/types/responses/tool.py
@@ -187,6 +187,7 @@ class CodeInterpreterContainerCodeInterpreterToolAuto(BaseModel):
     """An optional list of uploaded files to make available to your code."""
 
     memory_limit: Optional[Literal["1g", "4g", "16g", "64g"]] = None
+    """The memory limit for the code interpreter container."""
 
 
 CodeInterpreterContainer: TypeAlias = Union[str, CodeInterpreterContainerCodeInterpreterToolAuto]
diff --git a/src/openai/types/responses/tool_param.py b/src/openai/types/responses/tool_param.py
index 69c6162153..37d3dde024 100644
--- a/src/openai/types/responses/tool_param.py
+++ b/src/openai/types/responses/tool_param.py
@@ -187,6 +187,7 @@ class CodeInterpreterContainerCodeInterpreterToolAuto(TypedDict, total=False):
     """An optional list of uploaded files to make available to your code."""
 
     memory_limit: Optional[Literal["1g", "4g", "16g", "64g"]]
+    """The memory limit for the code interpreter container."""
 
 
 CodeInterpreterContainer: TypeAlias = Union[str, CodeInterpreterContainerCodeInterpreterToolAuto]
diff --git a/src/openai/types/video_create_error.py b/src/openai/types/video_create_error.py
index ae328b78ea..7f520220c8 100644
--- a/src/openai/types/video_create_error.py
+++ b/src/openai/types/video_create_error.py
@@ -6,6 +6,10 @@
 
 
 class VideoCreateError(BaseModel):
+    """An error that occurred while generating the response."""
+
     code: str
+    """A machine-readable error code that was returned."""
 
     message: str
+    """A human-readable description of the error that was returned."""