diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index e1f6d3e50c..6fb2e7075d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.100.0"
+  ".": "1.100.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0adb892623..4f3362af2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.100.1 (2025-08-18)
+
+Full Changelog: [v1.100.0...v1.100.1](https://github.com/openai/openai-python/compare/v1.100.0...v1.100.1)
+
+### Bug Fixes
+
+* **types:** revert response text config deletion ([ac4fb19](https://github.com/openai/openai-python/commit/ac4fb1922ae125c8310c30e402932e8bb2976f58))
+
 ## 1.100.0 (2025-08-18)
 
 Full Changelog: [v1.99.9...v1.100.0](https://github.com/openai/openai-python/compare/v1.99.9...v1.100.0)
diff --git a/pyproject.toml b/pyproject.toml
index 5fc0396a46..a9baee6a55 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openai"
-version = "1.100.0"
+version = "1.100.1"
 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 d666729b59..608d190655 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__ = "1.100.0"  # x-release-please-version
+__version__ = "1.100.1"  # x-release-please-version
diff --git a/src/openai/types/responses/__init__.py b/src/openai/types/responses/__init__.py
index 72ec741f91..74d8688081 100644
--- a/src/openai/types/responses/__init__.py
+++ b/src/openai/types/responses/__init__.py
@@ -42,6 +42,7 @@
 from .response_input_param import ResponseInputParam as ResponseInputParam
 from .response_output_item import ResponseOutputItem as ResponseOutputItem
 from .response_output_text import ResponseOutputText as ResponseOutputText
+from .response_text_config import ResponseTextConfig as ResponseTextConfig
 from .tool_choice_function import ToolChoiceFunction as ToolChoiceFunction
 from .response_failed_event import ResponseFailedEvent as ResponseFailedEvent
 from .response_prompt_param import ResponsePromptParam as ResponsePromptParam
@@ -75,6 +76,7 @@
 from .response_in_progress_event import ResponseInProgressEvent as ResponseInProgressEvent
 from .response_input_image_param import ResponseInputImageParam as ResponseInputImageParam
 from .response_output_text_param import ResponseOutputTextParam as ResponseOutputTextParam
+from .response_text_config_param import ResponseTextConfigParam as ResponseTextConfigParam
 from .tool_choice_function_param import ToolChoiceFunctionParam as ToolChoiceFunctionParam
 from .response_computer_tool_call import ResponseComputerToolCall as ResponseComputerToolCall
 from .response_format_text_config import ResponseFormatTextConfig as ResponseFormatTextConfig
diff --git a/src/openai/types/responses/response_text_config.py b/src/openai/types/responses/response_text_config.py
new file mode 100644
index 0000000000..c53546da6d
--- /dev/null
+++ b/src/openai/types/responses/response_text_config.py
@@ -0,0 +1,35 @@
+# File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+from typing import Optional
+from typing_extensions import Literal
+
+from ..._models import BaseModel
+from .response_format_text_config import ResponseFormatTextConfig
+
+__all__ = ["ResponseTextConfig"]
+
+
+class ResponseTextConfig(BaseModel):
+    format: Optional[ResponseFormatTextConfig] = None
+    """An object specifying the format that the model must output.
+
+    Configuring `{ "type": "json_schema" }` enables Structured Outputs, which
+    ensures the model will match your supplied JSON schema. Learn more in the
+    [Structured Outputs guide](https://platform.openai.com/docs/guides/structured-outputs).
+
+    The default format is `{ "type": "text" }` with no additional options.
+
+    **Not recommended for gpt-4o and newer models:**
+
+    Setting to `{ "type": "json_object" }` enables the older JSON mode, which
+    ensures the message the model generates is valid JSON. Using `json_schema` is
+    preferred for models that support it.
+    """
+
+    verbosity: Optional[Literal["low", "medium", "high"]] = None
+    """Constrains the verbosity of the model's response.
+
+    Lower values will result in more concise responses, while higher values will
+    result in more verbose responses. Currently supported values are `low`,
+    `medium`, and `high`.
+    """
diff --git a/src/openai/types/responses/response_text_config_param.py b/src/openai/types/responses/response_text_config_param.py
new file mode 100644
index 0000000000..1229fce35b
--- /dev/null
+++ b/src/openai/types/responses/response_text_config_param.py
@@ -0,0 +1,36 @@
+# File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+from __future__ import annotations
+
+from typing import Optional
+from typing_extensions import Literal, TypedDict
+
+from .response_format_text_config_param import ResponseFormatTextConfigParam
+
+__all__ = ["ResponseTextConfigParam"]
+
+
+class ResponseTextConfigParam(TypedDict, total=False):
+    format: ResponseFormatTextConfigParam
+    """An object specifying the format that the model must output.
+
+    Configuring `{ "type": "json_schema" }` enables Structured Outputs, which
+    ensures the model will match your supplied JSON schema. Learn more in the
+    [Structured Outputs guide](https://platform.openai.com/docs/guides/structured-outputs).
+
+    The default format is `{ "type": "text" }` with no additional options.
+
+    **Not recommended for gpt-4o and newer models:**
+
+    Setting to `{ "type": "json_object" }` enables the older JSON mode, which
+    ensures the message the model generates is valid JSON. Using `json_schema` is
+    preferred for models that support it.
+    """
+
+    verbosity: Optional[Literal["low", "medium", "high"]]
+    """Constrains the verbosity of the model's response.
+
+    Lower values will result in more concise responses, while higher values will
+    result in more verbose responses. Currently supported values are `low`,
+    `medium`, and `high`.
+    """