diff --git a/.speakeasy/gen.lock b/.speakeasy/gen.lock
index fb64c457..d6af9c3d 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: d549f1f1851d3b8566a88c2c51dca446
+  docChecksum: 391051bbe72c2ad9d26d4bcc8bdc9a54
   docVersion: 1.0.0
   speakeasyVersion: 1.787.0
   generationVersion: 2.914.0
-  releaseVersion: 1.1.111
-  configChecksum: 644f7660e9e2fb0ebeee1312909073a7
+  releaseVersion: 1.1.112
+  configChecksum: 51428b5e8a27ddf2788d8d5c76bb9db2
   repoURL: https://github.com/OpenRouterTeam/python-sdk.git
   installationURL: https://github.com/OpenRouterTeam/python-sdk.git
   published: true
 persistentEdits:
-  generation_id: 7ebc9620-c5b3-4fdc-b549-4e222b9db662
-  pristine_commit_hash: a7776ac3a07a59ba746e8d4accb93f38725ed124
-  pristine_tree_hash: 947f90afadc7b47906211180266c3e331a0827cd
+  generation_id: b2dd422a-ced6-4187-ab9a-62ac3c0e5087
+  pristine_commit_hash: 253ef389d0a7f9e472554be901e41616bba27ddc
+  pristine_tree_hash: 5b7a07d09178eb51eb08b64ebc9b0cd0a1636eb1
 features:
   python:
     acceptHeaders: 3.0.0
@@ -438,8 +438,8 @@ trackedFiles:
     pristine_git_object: 6f1e9ce880a0c3173ce7af4d14c8508b686b8ebc
   docs/components/anthropicsystemclearat.mdx:
     id: 02e08e8b03f3
-    last_write_checksum: sha1:c82d55e50f6a6325fc10eee08812ec0394396b83
-    pristine_git_object: 5e433be8b857cc468d41d4e0a6e260b807fe9ab0
+    last_write_checksum: sha1:218693075e1fbef7a5771edf41cd93ee7eb430d4
+    pristine_git_object: 5634634926c7a09342c219cd0d865234c262baa5
   docs/components/anthropictextblockparam.mdx:
     id: bded5d409e91
     last_write_checksum: sha1:ab2ebb14dd5e54bbadf4db4aa919d1b380b844b5
@@ -450,8 +450,8 @@ trackedFiles:
     pristine_git_object: b6b0d6f9022f2046c713d768125927e22ecc9431
   docs/components/anthropicthinkingblockbinding.mdx:
     id: a1c1acf8200e
-    last_write_checksum: sha1:56022206d75726c7abc59971c9abcbce45107bfb
-    pristine_git_object: c5364b3c8a19aca6d9ebc03392a1e62c16c8c98f
+    last_write_checksum: sha1:7e7df17828f861d85a1bee793b32931eb99769e7
+    pristine_git_object: 48a032d0e9eac4798c8c4903880873f967f5dfec
   docs/components/anthropicthinkingdisplay.mdx:
     id: e068ddf6374f
     last_write_checksum: sha1:49fd044eb4759b0f447964cc276b0681ff73a3ec
@@ -4330,8 +4330,8 @@ trackedFiles:
     pristine_git_object: 9b965b8127ff716f9bac7efc3ef89f4a9727795e
   docs/components/prefixmismatchbehavior.mdx:
     id: 73d2444913c6
-    last_write_checksum: sha1:6f49bdd934501dc4a153fd645e668cae8b0e701f
-    pristine_git_object: d679a28e6f0aa4b2a398a8ea8f7f77acb0a5454f
+    last_write_checksum: sha1:9192b93e919ccc08f739324db6d1417f49471d2b
+    pristine_git_object: bb61620d909ce1c0e4df191e8570184b794ae164
   docs/components/preset.mdx:
     id: 9069cdfaddbc
     last_write_checksum: sha1:87eebf424e40efb670c2bc0f617c903a6f9d3da5
@@ -7458,8 +7458,8 @@ trackedFiles:
     pristine_git_object: 3e38f1a929f7d6b1d6de74604aa87e3d8f010544
   pyproject.toml:
     id: 5d07e7d72637
-    last_write_checksum: sha1:efbcdc29ac4bfee3f46ae11671b08559d41130fb
-    pristine_git_object: 1ed6cdf52cf082be603cab094955982904ff9ea9
+    last_write_checksum: sha1:22be002a440c13f8a9a4ac3df57128b2120cdb71
+    pristine_git_object: b06eb5aba73cf71602d0a12055e249e4d48678eb
   scripts/prepare_readme.py:
     id: e0c5957a6035
     last_write_checksum: sha1:77f44b60b98bc126557ec27391f91dfba764bb54
@@ -7486,8 +7486,8 @@ trackedFiles:
     pristine_git_object: 86713cfea633e09d33b3d4e65281071fe20e6137
   src/openrouter/_version.py:
     id: d8d15ad6c586
-    last_write_checksum: sha1:cb3f1aedcbfc00d2af7b97c32d0e14a2899ef8d0
-    pristine_git_object: 6edf25f6e9267720fa61ef6382d2972490018d1f
+    last_write_checksum: sha1:a6466e2fb6b09ffa28b5a3039bd0ee92eed793dc
+    pristine_git_object: acf7031462e82a81914ac31b23acf7fb36d856aa
   src/openrouter/analytics.py:
     id: cb406b5aaabb
     last_write_checksum: sha1:1e0004d8d1d5d797e2b54cd1cabeb7f9489d08e9
@@ -7682,16 +7682,16 @@ trackedFiles:
     pristine_git_object: 4f9c2bc739541b12c381e3d6265184af879cc1ff
   src/openrouter/components/anthropicsystemclearat.py:
     id: 1b0f42791a44
-    last_write_checksum: sha1:ddcf1a86c46a4b3ccc974cfae354820e1e638686
-    pristine_git_object: 057eb16d600e93a6c675e1a64fbd71212900db1b
+    last_write_checksum: sha1:d145b38d9f24946a9b96df823b68dc8d89bca935
+    pristine_git_object: bbbf46b31d8f513ed5fc5cb1960c0f99e49cbdb2
   src/openrouter/components/anthropictextblockparam.py:
     id: f387daeeb940
     last_write_checksum: sha1:d07d4bef39b0f763604a58604da6aa4cb7979590
     pristine_git_object: 31a1df2ee27149c8862fb8709f4898ef0535360f
   src/openrouter/components/anthropicthinkingblockbinding.py:
     id: e3f9c1ae04b6
-    last_write_checksum: sha1:a4d531705224b35ec9be29ca7b832f14218c914a
-    pristine_git_object: a9eb602db8b20489c47f2da1ef8f0cffd6e79279
+    last_write_checksum: sha1:be6fab20c77d4b9cddd70969f09370bdbde3f6a4
+    pristine_git_object: fd2bb4ce3210a4ca2e6e2ad6dd0e82d0e11193c0
   src/openrouter/components/anthropicthinkingdisplay.py:
     id: 5d63f1a15f67
     last_write_checksum: sha1:a1f845787a9e8bc3d7b4dddfe8a4adad288b16db
@@ -12549,3 +12549,6 @@ examples:
         "503":
           application/json: {"error": {"code": 503, "message": "Service temporarily unavailable"}}
 examplesVersion: 1.0.2
+releaseNotes: |
+  ## Python SDK Changes:
+  * `open_router.presets.create_presets_messages()`:  `request` **Changed**
diff --git a/.speakeasy/gen.yaml b/.speakeasy/gen.yaml
index 880d742d..95ad8fee 100644
--- a/.speakeasy/gen.yaml
+++ b/.speakeasy/gen.yaml
@@ -36,7 +36,7 @@ generation:
   documentation: mintlify
   preApplyUnionDiscriminators: true
 python:
-  version: 1.1.111
+  version: 1.1.112
   additionalDependencies:
     dev: {}
     main: {}
diff --git a/.speakeasy/out.openapi.yaml b/.speakeasy/out.openapi.yaml
index 55ac2033..d557d19b 100644
--- a/.speakeasy/out.openapi.yaml
+++ b/.speakeasy/out.openapi.yaml
@@ -1224,17 +1224,46 @@ components:
       example:
         expires_at: '2026-04-08T00:00:00Z'
         id: 'ctr_01abc'
+        skills: null
       properties:
         expires_at:
           type: 'string'
         id:
           type: 'string'
+        skills:
+          default: null
+          items:
+            $ref: '#/components/schemas/AnthropicContainerSkill'
+          type:
+            - 'array'
+            - 'null'
       required:
         - 'id'
         - 'expires_at'
       type:
         - 'object'
         - 'null'
+    AnthropicContainerSkill:
+      example:
+        skill_id: 'pdf'
+        type: 'anthropic'
+        version: 'latest'
+      properties:
+        skill_id:
+          type: 'string'
+        type:
+          enum:
+            - 'anthropic'
+            - 'custom'
+          type: 'string'
+          x-speakeasy-unknown-values: allow
+        version:
+          type: 'string'
+      required:
+        - 'skill_id'
+        - 'type'
+        - 'version'
+      type: 'object'
     AnthropicContainerUpload:
       example:
         file_id: 'file_01abc'
@@ -1855,6 +1884,7 @@ components:
     AnthropicSystemClearAt:
       enum:
         - 'next_user_message'
+        - 'never'
         - null
       example: 'next_user_message'
       type:
@@ -2142,10 +2172,13 @@ components:
       properties:
         prefix_mismatch_behavior:
           enum:
+            - 'error'
             - 'drop_block'
-          type: 'string'
-      required:
-        - 'prefix_mismatch_behavior'
+            - null
+          type:
+            - 'string'
+            - 'null'
+          x-speakeasy-unknown-values: allow
       type:
         - 'object'
         - 'null'
diff --git a/.speakeasy/workflow.lock b/.speakeasy/workflow.lock
index 8e621e59..39919240 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: sha256:3aba076b4407c0cc88e6ad82c88b599ff63c04523aa833dafaa633110284a608
-        sourceBlobDigest: sha256:8b34e54f118e69e069dc211b1efb1eafed44aa7df8173192a1763f301934f3f1
+        sourceRevisionDigest: sha256:3938ad2e3c92f8987a92156cab37108879cd9a562f632d7e879510073773f644
+        sourceBlobDigest: sha256:f3d63f1beba255b5508085865039251cc3b27078e7c6c794ad385f1a7100406c
         tags:
             - latest
             - 1.0.0
@@ -11,10 +11,10 @@ targets:
     open-router:
         source: OpenRouter API
         sourceNamespace: open-router-chat-completions-api
-        sourceRevisionDigest: sha256:3aba076b4407c0cc88e6ad82c88b599ff63c04523aa833dafaa633110284a608
-        sourceBlobDigest: sha256:8b34e54f118e69e069dc211b1efb1eafed44aa7df8173192a1763f301934f3f1
+        sourceRevisionDigest: sha256:3938ad2e3c92f8987a92156cab37108879cd9a562f632d7e879510073773f644
+        sourceBlobDigest: sha256:f3d63f1beba255b5508085865039251cc3b27078e7c6c794ad385f1a7100406c
         codeSamplesNamespace: open-router-python-code-samples
-        codeSamplesRevisionDigest: sha256:3feac6de4e8259cd5d354fbcb39c304e73504d746c4b7acd80b52dc04cd3e9b5
+        codeSamplesRevisionDigest: sha256:95852bded8c80af34c4659490932163f1964d4639ae466559ca1ec0715a34040
 workflow:
     workflowVersion: 1.0.0
     speakeasyVersion: 1.787.0
diff --git a/RELEASES.md b/RELEASES.md
index ef339e86..dade8223 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1899,4 +1899,14 @@ Based on:
 ### Generated
 - [python v1.1.111] .
 ### Releases
-- [PyPI v1.1.111] https://pypi.org/project/openrouter/1.1.111 - .
\ No newline at end of file
+- [PyPI v1.1.111] https://pypi.org/project/openrouter/1.1.111 - .
+
+## 2026-09-02 00:32:23
+### Changes
+Based on:
+- OpenAPI Doc  
+- Speakeasy CLI 1.787.0 (2.914.0) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [python v1.1.112] .
+### Releases
+- [PyPI v1.1.112] https://pypi.org/project/openrouter/1.1.112 - .
\ No newline at end of file
diff --git a/docs/components/anthropicsystemclearat.mdx b/docs/components/anthropicsystemclearat.mdx
index 5e433be8..56346349 100644
--- a/docs/components/anthropicsystemclearat.mdx
+++ b/docs/components/anthropicsystemclearat.mdx
@@ -17,3 +17,4 @@ value: AnthropicSystemClearAt = "next_user_message"
 This is an open enum. Unrecognized values will not fail type checks.
 
 - `"next_user_message"`
+- `"never"`
diff --git a/docs/components/anthropicthinkingblockbinding.mdx b/docs/components/anthropicthinkingblockbinding.mdx
index c5364b3c..48a032d0 100644
--- a/docs/components/anthropicthinkingblockbinding.mdx
+++ b/docs/components/anthropicthinkingblockbinding.mdx
@@ -4,6 +4,6 @@ title: "AnthropicThinkingBlockBinding"
 
 ## Fields
 
-| Field                                                                        | Type                                                                         | Required                                                                     | Description                                                                  |
-| ---------------------------------------------------------------------------- | ---------------------------------------------------------------------------- | ---------------------------------------------------------------------------- | ---------------------------------------------------------------------------- |
-| `prefix_mismatch_behavior`                                                   | [components.PrefixMismatchBehavior](../components/prefixmismatchbehavior.mdx) | :heavy_check_mark:                                                           | N/A                                                                          |
\ No newline at end of file
+| Field                                                                                          | Type                                                                                           | Required                                                                                       | Description                                                                                    |
+| ---------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- |
+| `prefix_mismatch_behavior`                                                                     | [OptionalNullable[components.PrefixMismatchBehavior]](../components/prefixmismatchbehavior.mdx) | :heavy_minus_sign:                                                                             | N/A                                                                                            |
\ No newline at end of file
diff --git a/docs/components/prefixmismatchbehavior.mdx b/docs/components/prefixmismatchbehavior.mdx
index d679a28e..bb61620d 100644
--- a/docs/components/prefixmismatchbehavior.mdx
+++ b/docs/components/prefixmismatchbehavior.mdx
@@ -6,10 +6,15 @@ title: "PrefixMismatchBehavior"
 
 ```python
 from openrouter.components import PrefixMismatchBehavior
-value: PrefixMismatchBehavior = "drop_block"
+
+# Open enum: unrecognized values are captured as UnrecognizedStr
+value: PrefixMismatchBehavior = "error"
 ```
 
 
 ## Values
 
+This is an open enum. Unrecognized values will not fail type checks.
+
+- `"error"`
 - `"drop_block"`
diff --git a/pyproject.toml b/pyproject.toml
index 1ed6cdf5..b06eb5ab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openrouter"
-version = "1.1.111"
+version = "1.1.112"
 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 6edf25f6..acf70314 100644
--- a/src/openrouter/_version.py
+++ b/src/openrouter/_version.py
@@ -3,10 +3,10 @@
 import importlib.metadata
 
 __title__: str = "openrouter"
-__version__: str = "1.1.111"
+__version__: str = "1.1.112"
 __openapi_doc_version__: str = "1.0.0"
 __gen_version__: str = "2.914.0"
-__user_agent__: str = "speakeasy-sdk/python 1.1.111 2.914.0 1.0.0 openrouter"
+__user_agent__: str = "speakeasy-sdk/python 1.1.112 2.914.0 1.0.0 openrouter"
 
 try:
     if __package__ is not None:
diff --git a/src/openrouter/components/anthropicsystemclearat.py b/src/openrouter/components/anthropicsystemclearat.py
index 057eb16d..bbbf46b3 100644
--- a/src/openrouter/components/anthropicsystemclearat.py
+++ b/src/openrouter/components/anthropicsystemclearat.py
@@ -5,4 +5,10 @@
 from typing import Literal, Union
 
 
-AnthropicSystemClearAt = Union[Literal["next_user_message",], UnrecognizedStr]
+AnthropicSystemClearAt = Union[
+    Literal[
+        "next_user_message",
+        "never",
+    ],
+    UnrecognizedStr,
+]
diff --git a/src/openrouter/components/anthropicthinkingblockbinding.py b/src/openrouter/components/anthropicthinkingblockbinding.py
index a9eb602d..fd2bb4ce 100644
--- a/src/openrouter/components/anthropicthinkingblockbinding.py
+++ b/src/openrouter/components/anthropicthinkingblockbinding.py
@@ -1,17 +1,56 @@
 """Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT."""
 
 from __future__ import annotations
-from openrouter.types import BaseModel
-from typing import Literal
-from typing_extensions import TypedDict
+from openrouter.types import (
+    BaseModel,
+    Nullable,
+    OptionalNullable,
+    UNSET,
+    UNSET_SENTINEL,
+    UnrecognizedStr,
+)
+from pydantic import model_serializer
+from typing import Literal, Union
+from typing_extensions import NotRequired, TypedDict
 
 
-PrefixMismatchBehavior = Literal["drop_block",]
+PrefixMismatchBehavior = Union[
+    Literal[
+        "error",
+        "drop_block",
+    ],
+    UnrecognizedStr,
+]
 
 
 class AnthropicThinkingBlockBindingTypedDict(TypedDict):
-    prefix_mismatch_behavior: PrefixMismatchBehavior
+    prefix_mismatch_behavior: NotRequired[Nullable[PrefixMismatchBehavior]]
 
 
 class AnthropicThinkingBlockBinding(BaseModel):
-    prefix_mismatch_behavior: PrefixMismatchBehavior
+    prefix_mismatch_behavior: OptionalNullable[PrefixMismatchBehavior] = UNSET
+
+    @model_serializer(mode="wrap")
+    def serialize_model(self, handler):
+        optional_fields = set(["prefix_mismatch_behavior"])
+        nullable_fields = set(["prefix_mismatch_behavior"])
+        serialized = handler(self)
+        m = {}
+
+        for n, f in type(self).model_fields.items():
+            k = f.alias or n
+            val = serialized.get(k, serialized.get(n))
+            is_nullable_and_explicitly_set = (
+                k in nullable_fields
+                and (self.__pydantic_fields_set__.intersection({n}))  # pylint: disable=no-member
+            )
+
+            if val != UNSET_SENTINEL:
+                if (
+                    val is not None
+                    or k not in optional_fields
+                    or is_nullable_and_explicitly_set
+                ):
+                    m[k] = val
+
+        return m
diff --git a/uv.lock b/uv.lock
index 4ffa773e..d256c405 100644
--- a/uv.lock
+++ b/uv.lock
@@ -213,7 +213,7 @@ wheels = [
 
 [[package]]
 name = "openrouter"
-version = "1.1.111"
+version = "1.1.112"
 source = { editable = "." }
 dependencies = [
     { name = "httpcore" },