diff --git a/.speakeasy/gen.lock b/.speakeasy/gen.lock
index 1454812..fa92dd7 100644
--- a/.speakeasy/gen.lock
+++ b/.speakeasy/gen.lock
@@ -1,19 +1,19 @@
 lockVersion: 2.0.0
 id: c48cf606-fb42-4a45-9c23-8f0555307828
 management:
-  docChecksum: 4c1de84906249adffa68289b1272a337
+  docChecksum: 913314e7b77524966693bb56c9a3dd24
   docVersion: 1.0.0
   speakeasyVersion: 1.787.0
   generationVersion: 2.914.0
-  releaseVersion: 0.11.27
-  configChecksum: 8c481cc9a577b723dec23a1acb6acd44
+  releaseVersion: 0.11.28
+  configChecksum: ce48138720beb4eb8841b187c03d254f
   repoURL: https://github.com/OpenRouterTeam/python-sdk.git
   installationURL: https://github.com/OpenRouterTeam/python-sdk.git
   published: true
 persistentEdits:
-  generation_id: 29d14705-a7a0-4678-9a14-db322b73e2e9
-  pristine_commit_hash: 604984950189ec77e6d3e0907500b9a36193139a
-  pristine_tree_hash: ac64da59d036426e6a5253061a7139a4a12fd118
+  generation_id: e656f374-a717-4315-90c0-6ee70ed0cf9c
+  pristine_commit_hash: 3d5b10a16d484690e232f230a59576340aa52303
+  pristine_tree_hash: f9fc6333f4a8952a56a6ca33eb92a50cc9b98d90
 features:
   python:
     acceptHeaders: 3.0.0
@@ -244,6 +244,10 @@ trackedFiles:
     id: f047a00a8826
     last_write_checksum: sha1:7731c7cecebc8d0ea5d779a811809d4d570ed7c1
     pristine_git_object: bd3e799f85c07638dff4daf50d361bc718c47b0f
+  docs/components/anthropiccachecreation.mdx:
+    id: 76d410a5e73e
+    last_write_checksum: sha1:3b9e3d49c378acbdada5129434dc5e469ff0137f
+    pristine_git_object: c9562a64e41c396aee705ef025650900df0b43e4
   docs/components/anthropiccitationcharlocationparam.mdx:
     id: c40e539e0fb1
     last_write_checksum: sha1:bf7cb3fdf2b38b00e4b026e7c0304d9e308cbb75
@@ -2230,8 +2234,8 @@ trackedFiles:
     pristine_git_object: cabf0cccfa7d7bee9faa823d66650bc395220966
   docs/components/imagegenerationusage.mdx:
     id: 0f8faafc5148
-    last_write_checksum: sha1:be2ebcd80f3299ec6e38bf8c580ac5e28ba67d85
-    pristine_git_object: be9fe8ffa3ea8829bf61cbbdcfd5f1a17aad439d
+    last_write_checksum: sha1:7662a98019e0fb829b124d14f938ee07f5ef5519
+    pristine_git_object: cb01cf31c16ba5f1caea0be6b376e83ee0d82b59
   docs/components/imagegenerationusagecompletiontokensdetails.mdx:
     id: 71ecb25e164d
     last_write_checksum: sha1:f0843acffd7d7540b07bb384f299557e7309950d
@@ -6662,8 +6666,8 @@ trackedFiles:
     pristine_git_object: 3e38f1a929f7d6b1d6de74604aa87e3d8f010544
   pyproject.toml:
     id: 5d07e7d72637
-    last_write_checksum: sha1:422b5cabaf16017ad5a03653f1cebc804d1b084d
-    pristine_git_object: feee6a6c23e707d2c4e75602176b723657b31a41
+    last_write_checksum: sha1:04c19e27f55c549187e8134f7ff3696cd428f3df
+    pristine_git_object: 38e011e2029916eabc14394ca864b6516da19017
   scripts/prepare_readme.py:
     id: e0c5957a6035
     last_write_checksum: sha1:77f44b60b98bc126557ec27391f91dfba764bb54
@@ -6690,8 +6694,8 @@ trackedFiles:
     pristine_git_object: 86713cfea633e09d33b3d4e65281071fe20e6137
   src/openrouter/_version.py:
     id: d8d15ad6c586
-    last_write_checksum: sha1:492ccf71ca935892090ce4ccb5391ff14fa90596
-    pristine_git_object: d00a5fa67b4b8b39352d9b6491b1854749529f2f
+    last_write_checksum: sha1:fd94190abbfad4aff1ecc18a06a3b466ddd7c2b8
+    pristine_git_object: fb15497c9ae07185c9379f5151156e976ce297f5
   src/openrouter/analytics.py:
     id: cb406b5aaabb
     last_write_checksum: sha1:9e709b71dd0611056dc0cec6150b578defe32841
@@ -6730,8 +6734,8 @@ trackedFiles:
     pristine_git_object: ad3d247954547814054c01989a2dff3d12b3e4e1
   src/openrouter/components/__init__.py:
     id: 81754e97b3f4
-    last_write_checksum: sha1:5208f1af2c3420c74d0a23810dcf68807b95a130
-    pristine_git_object: 92d0e11add040db79f1848e7f697605a0b2e129c
+    last_write_checksum: sha1:84999e85717da3612e618f3115f0cf56ea91b268
+    pristine_git_object: bf5e3e9d282db9aefb6629dbe70240294aadd3d8
   src/openrouter/components/aabenchmarkentry.py:
     id: e2e0f0b48c82
     last_write_checksum: sha1:fab4d9a24d2cea937bb749d46c5f83941e99d65c
@@ -6796,6 +6800,10 @@ trackedFiles:
     id: 2ec3e3546afe
     last_write_checksum: sha1:338e193bd6929eb6ed69da9bdb4e608e5db6121b
     pristine_git_object: 05a105c6e4f6c9037f953e4620576a8494645865
+  src/openrouter/components/anthropiccachecreation.py:
+    id: 10d4a3bde2d9
+    last_write_checksum: sha1:5e3b33cda7e69aeb2e683374815796ca76ee2368
+    pristine_git_object: b08b10ce6b317954ebf7f12d09157d5cc4a19f26
   src/openrouter/components/anthropiccitationcharlocationparam.py:
     id: 6f6f0732b22f
     last_write_checksum: sha1:f06cdcdd405abb4222450f027fd38f29b05efbec
@@ -7714,8 +7722,8 @@ trackedFiles:
     pristine_git_object: eb59bfd0d4b89dde72504f8aa57533c689474ced
   src/openrouter/components/imagegenerationusage.py:
     id: f51151e8dbfa
-    last_write_checksum: sha1:810fd7e3dd1808d3c846fa4791ce3ba728dc32d6
-    pristine_git_object: 83ae9b1bc1e7624550cf432b440c20ebe6eb16f5
+    last_write_checksum: sha1:7f3f93e29e3b5018e8bf218dc167665794cf1d65
+    pristine_git_object: 089d12ed821830575a14bf6b279a750f9737c1a4
   src/openrouter/components/imagegenpartialimageevent.py:
     id: f88cea0c67fc
     last_write_checksum: sha1:2ee76cbb50b60ebe624bdfe0769a7bbdce047cd0
@@ -11137,3 +11145,6 @@ examples:
         "500":
           application/json: {"error": {"code": 500, "message": "Internal Server Error"}}
 examplesVersion: 1.0.2
+releaseNotes: |
+  ## Python SDK Changes:
+  * `open_router.images.generate()`:  `response` **Changed**
diff --git a/.speakeasy/gen.yaml b/.speakeasy/gen.yaml
index 9530cc2..f6d28fd 100644
--- a/.speakeasy/gen.yaml
+++ b/.speakeasy/gen.yaml
@@ -36,7 +36,7 @@ generation:
   documentation: mintlify
   preApplyUnionDiscriminators: true
 python:
-  version: 0.11.27
+  version: 0.11.28
   additionalDependencies:
     dev: {}
     main: {}
diff --git a/.speakeasy/out.openapi.yaml b/.speakeasy/out.openapi.yaml
index 8ba1dfe..cfa4187 100644
--- a/.speakeasy/out.openapi.yaml
+++ b/.speakeasy/out.openapi.yaml
@@ -9933,6 +9933,8 @@ components:
         prompt_tokens: 0
         total_tokens: 4175
       properties:
+        cache_creation:
+          $ref: '#/components/schemas/AnthropicCacheCreation'
         completion_tokens:
           description: The tokens generated
           type: integer
@@ -11882,6 +11884,8 @@ components:
           type: string
         usage:
           properties:
+            cache_creation:
+              $ref: '#/components/schemas/AnthropicCacheCreation'
             cache_creation_input_tokens:
               nullable: true
               type: integer
diff --git a/.speakeasy/workflow.lock b/.speakeasy/workflow.lock
index 3dc3983..05cc9df 100644
--- a/.speakeasy/workflow.lock
+++ b/.speakeasy/workflow.lock
@@ -2,8 +2,8 @@ speakeasyVersion: 1.787.0
 sources:
     OpenRouter API:
         sourceNamespace: open-router-chat-completions-api
-        sourceRevisionDigest: sha256:6bb42dab7b8c3a170da9cf40c9b52e39be0e93776f2ea0aaa6d806562290594c
-        sourceBlobDigest: sha256:e2a84cbdb9e0e9e83a48aa80f44d1ae9ad3ef37d469ee705e9409017c065aaa5
+        sourceRevisionDigest: sha256:edca79a14bbe673bb4bb252f55acbe2d94ac37355ff7dace80c025796f462cec
+        sourceBlobDigest: sha256:0d80dbc0f8174d90dd172c8c20c8c2aa51e915a33a0bdef18806f2bc5f215ba4
         tags:
             - latest
             - 1.0.0
@@ -11,10 +11,10 @@ targets:
     open-router:
         source: OpenRouter API
         sourceNamespace: open-router-chat-completions-api
-        sourceRevisionDigest: sha256:6bb42dab7b8c3a170da9cf40c9b52e39be0e93776f2ea0aaa6d806562290594c
-        sourceBlobDigest: sha256:e2a84cbdb9e0e9e83a48aa80f44d1ae9ad3ef37d469ee705e9409017c065aaa5
+        sourceRevisionDigest: sha256:edca79a14bbe673bb4bb252f55acbe2d94ac37355ff7dace80c025796f462cec
+        sourceBlobDigest: sha256:0d80dbc0f8174d90dd172c8c20c8c2aa51e915a33a0bdef18806f2bc5f215ba4
         codeSamplesNamespace: open-router-python-code-samples
-        codeSamplesRevisionDigest: sha256:620d78e3bc22a91a122ed5516d1800440ee7551693a8bc91d3dcaeefec334c50
+        codeSamplesRevisionDigest: sha256:2f083adce0aad1ea67dd838546080b632140c054b28495cc56c4f449cfc35f2e
 workflow:
     workflowVersion: 1.0.0
     speakeasyVersion: 1.787.0
diff --git a/RELEASES.md b/RELEASES.md
index 260f7c0..efcceda 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -378,4 +378,14 @@ Based on:
 ### Generated
 - [python v0.11.27] .
 ### Releases
-- [PyPI v0.11.27] https://pypi.org/project/openrouter/0.11.27 - .
\ No newline at end of file
+- [PyPI v0.11.27] https://pypi.org/project/openrouter/0.11.27 - .
+
+## 2026-07-14 05:35:17
+### Changes
+Based on:
+- OpenAPI Doc  
+- Speakeasy CLI 1.787.0 (2.914.0) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [python v0.11.28] .
+### Releases
+- [PyPI v0.11.28] https://pypi.org/project/openrouter/0.11.28 - .
\ No newline at end of file
diff --git a/docs/components/anthropiccachecreation.mdx b/docs/components/anthropiccachecreation.mdx
new file mode 100644
index 0000000..c9562a6
--- /dev/null
+++ b/docs/components/anthropiccachecreation.mdx
@@ -0,0 +1,10 @@
+---
+title: "AnthropicCacheCreation"
+---
+
+## Fields
+
+| Field                       | Type                        | Required                    | Description                 |
+| --------------------------- | --------------------------- | --------------------------- | --------------------------- |
+| `ephemeral_1h_input_tokens` | *int*                       | :heavy_check_mark:          | N/A                         |
+| `ephemeral_5m_input_tokens` | *int*                       | :heavy_check_mark:          | N/A                         |
\ No newline at end of file
diff --git a/docs/components/imagegenerationusage.mdx b/docs/components/imagegenerationusage.mdx
index be9fe8f..cb01cf3 100644
--- a/docs/components/imagegenerationusage.mdx
+++ b/docs/components/imagegenerationusage.mdx
@@ -9,6 +9,7 @@ Token and cost usage for the image generation request, when available
 
 | Field                                                                                                                                    | Type                                                                                                                                     | Required                                                                                                                                 | Description                                                                                                                              | Example                                                                                                                                  |
 | ---------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- |
+| `cache_creation`                                                                                                                         | [OptionalNullable[components.AnthropicCacheCreation]](../components/anthropiccachecreation.mdx)                                           | :heavy_minus_sign:                                                                                                                       | N/A                                                                                                                                      | \{<br/>"ephemeral_1h_input_tokens": 0,<br/>"ephemeral_5m_input_tokens": 100<br/>}                                                         |
 | `completion_tokens`                                                                                                                      | *int*                                                                                                                                    | :heavy_check_mark:                                                                                                                       | The tokens generated                                                                                                                     |                                                                                                                                          |
 | `completion_tokens_details`                                                                                                              | [OptionalNullable[components.ImageGenerationUsageCompletionTokensDetails]](../components/imagegenerationusagecompletiontokensdetails.mdx) | :heavy_minus_sign:                                                                                                                       | N/A                                                                                                                                      |                                                                                                                                          |
 | `cost`                                                                                                                                   | *OptionalNullable[float]*                                                                                                                | :heavy_minus_sign:                                                                                                                       | Cost of the completion                                                                                                                   |                                                                                                                                          |
diff --git a/pyproject.toml b/pyproject.toml
index feee6a6..38e011e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openrouter"
-version = "0.11.27"
+version = "0.11.28"
 description = "Official Python Client SDK for OpenRouter."
 authors = [{ name = "OpenRouter" },]
 readme = "README-PYPI.md"
diff --git a/src/openrouter/_version.py b/src/openrouter/_version.py
index d00a5fa..fb15497 100644
--- a/src/openrouter/_version.py
+++ b/src/openrouter/_version.py
@@ -3,10 +3,10 @@
 import importlib.metadata
 
 __title__: str = "openrouter"
-__version__: str = "0.11.27"
+__version__: str = "0.11.28"
 __openapi_doc_version__: str = "1.0.0"
 __gen_version__: str = "2.914.0"
-__user_agent__: str = "speakeasy-sdk/python 0.11.27 2.914.0 1.0.0 openrouter"
+__user_agent__: str = "speakeasy-sdk/python 0.11.28 2.914.0 1.0.0 openrouter"
 
 try:
     if __package__ is not None:
diff --git a/src/openrouter/components/__init__.py b/src/openrouter/components/__init__.py
index 92d0e11..bf5e3e9 100644
--- a/src/openrouter/components/__init__.py
+++ b/src/openrouter/components/__init__.py
@@ -80,6 +80,10 @@
         AnthropicCacheControlDirectiveTypedDict,
     )
     from .anthropiccachecontrolttl import AnthropicCacheControlTTL
+    from .anthropiccachecreation import (
+        AnthropicCacheCreation,
+        AnthropicCacheCreationTypedDict,
+    )
     from .anthropiccitationcharlocationparam import (
         AnthropicCitationCharLocationParam,
         AnthropicCitationCharLocationParamType,
@@ -2895,6 +2899,8 @@
     "AnthropicCacheControlDirectiveType",
     "AnthropicCacheControlDirectiveTypedDict",
     "AnthropicCacheControlTTL",
+    "AnthropicCacheCreation",
+    "AnthropicCacheCreationTypedDict",
     "AnthropicCitationCharLocationParam",
     "AnthropicCitationCharLocationParamType",
     "AnthropicCitationCharLocationParamTypedDict",
@@ -4960,6 +4966,8 @@
     "AnthropicCacheControlDirectiveType": ".anthropiccachecontroldirective",
     "AnthropicCacheControlDirectiveTypedDict": ".anthropiccachecontroldirective",
     "AnthropicCacheControlTTL": ".anthropiccachecontrolttl",
+    "AnthropicCacheCreation": ".anthropiccachecreation",
+    "AnthropicCacheCreationTypedDict": ".anthropiccachecreation",
     "AnthropicCitationCharLocationParam": ".anthropiccitationcharlocationparam",
     "AnthropicCitationCharLocationParamType": ".anthropiccitationcharlocationparam",
     "AnthropicCitationCharLocationParamTypedDict": ".anthropiccitationcharlocationparam",
diff --git a/src/openrouter/components/anthropiccachecreation.py b/src/openrouter/components/anthropiccachecreation.py
new file mode 100644
index 0000000..b08b10c
--- /dev/null
+++ b/src/openrouter/components/anthropiccachecreation.py
@@ -0,0 +1,16 @@
+"""Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT."""
+
+from __future__ import annotations
+from openrouter.types import BaseModel
+from typing_extensions import TypedDict
+
+
+class AnthropicCacheCreationTypedDict(TypedDict):
+    ephemeral_1h_input_tokens: int
+    ephemeral_5m_input_tokens: int
+
+
+class AnthropicCacheCreation(BaseModel):
+    ephemeral_1h_input_tokens: int
+
+    ephemeral_5m_input_tokens: int
diff --git a/src/openrouter/components/imagegenerationusage.py b/src/openrouter/components/imagegenerationusage.py
index 83ae9b1..089d12e 100644
--- a/src/openrouter/components/imagegenerationusage.py
+++ b/src/openrouter/components/imagegenerationusage.py
@@ -1,6 +1,10 @@
 """Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT."""
 
 from __future__ import annotations
+from .anthropiccachecreation import (
+    AnthropicCacheCreation,
+    AnthropicCacheCreationTypedDict,
+)
 from .anthropicspeed import AnthropicSpeed
 from .anthropicusageiteration import (
     AnthropicUsageIteration,
@@ -201,6 +205,7 @@ class ImageGenerationUsageTypedDict(TypedDict):
     r"""Including images, input audio, and tools if any"""
     total_tokens: int
     r"""Sum of the above two fields"""
+    cache_creation: NotRequired[Nullable[AnthropicCacheCreationTypedDict]]
     completion_tokens_details: NotRequired[
         Nullable[ImageGenerationUsageCompletionTokensDetailsTypedDict]
     ]
@@ -234,6 +239,8 @@ class ImageGenerationUsage(BaseModel):
     total_tokens: int
     r"""Sum of the above two fields"""
 
+    cache_creation: OptionalNullable[AnthropicCacheCreation] = UNSET
+
     completion_tokens_details: OptionalNullable[
         ImageGenerationUsageCompletionTokensDetails
     ] = UNSET
@@ -266,6 +273,7 @@ class ImageGenerationUsage(BaseModel):
     def serialize_model(self, handler):
         optional_fields = set(
             [
+                "cache_creation",
                 "completion_tokens_details",
                 "cost",
                 "cost_details",
@@ -279,6 +287,7 @@ def serialize_model(self, handler):
         )
         nullable_fields = set(
             [
+                "cache_creation",
                 "completion_tokens_details",
                 "cost",
                 "cost_details",
diff --git a/uv.lock b/uv.lock
index b0cfa15..0c59b75 100644
--- a/uv.lock
+++ b/uv.lock
@@ -213,7 +213,7 @@ wheels = [
 
 [[package]]
 name = "openrouter"
-version = "0.11.27"
+version = "0.11.28"
 source = { editable = "." }
 dependencies = [
     { name = "httpcore" },