diff --git a/.speakeasy/gen.lock b/.speakeasy/gen.lock
index c9512847..c07bef74 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: 5cdc014e1e0db55fdd061072c1cb7a95
+  docChecksum: 4e6e233fd4bd81eb1457720250167048
   docVersion: 1.0.0
   speakeasyVersion: 1.787.0
   generationVersion: 2.914.0
-  releaseVersion: 1.1.127
-  configChecksum: dd4c63e39bf48f073622494ecad33ff7
+  releaseVersion: 1.1.128
+  configChecksum: 659b58f40aa3a5a62924f0ea281890e4
   repoURL: https://github.com/OpenRouterTeam/python-sdk.git
   installationURL: https://github.com/OpenRouterTeam/python-sdk.git
   published: true
 persistentEdits:
-  generation_id: c3181655-779b-4074-80b2-06108326d9d4
-  pristine_commit_hash: ea6c63a371d99fd9bce4cfd5379ff9bf962ac2b0
-  pristine_tree_hash: 70e7ff7a8cbbe388b7bc3e3e896848abdf7f9020
+  generation_id: c0c5fc1c-b80c-4670-b4e7-8e51d018632e
+  pristine_commit_hash: 61f2510e8a6efdd8ed1d90a7dd5d6ccf98809299
+  pristine_tree_hash: db81211734187c8d5f86f5d6a71207d68da131c1
 features:
   python:
     acceptHeaders: 3.0.0
@@ -7650,8 +7650,8 @@ trackedFiles:
     pristine_git_object: 3e38f1a929f7d6b1d6de74604aa87e3d8f010544
   pyproject.toml:
     id: 5d07e7d72637
-    last_write_checksum: sha1:484b32af2ac7a270429e651295fa6ca6afc6c6b4
-    pristine_git_object: abceeec2c564f38ef86627d6b14b6d9256ec60c2
+    last_write_checksum: sha1:6f5f6c0a068a39167fabc6dc73f6ec65c9423dd1
+    pristine_git_object: f8d669d161a383787e29f10cd90e98c12ebf664d
   scripts/prepare_readme.py:
     id: e0c5957a6035
     last_write_checksum: sha1:77f44b60b98bc126557ec27391f91dfba764bb54
@@ -7678,8 +7678,8 @@ trackedFiles:
     pristine_git_object: 86713cfea633e09d33b3d4e65281071fe20e6137
   src/openrouter/_version.py:
     id: d8d15ad6c586
-    last_write_checksum: sha1:9d21564f850b1b655f1479a215e37a8e5a6787e6
-    pristine_git_object: 057770285c66fb42877292b9000501977f9719ed
+    last_write_checksum: sha1:c1cc25629f7765963fa89fa24aa2d82f2a749926
+    pristine_git_object: 611d81426fb720a86447fdfb37cd0f391bdb24e7
   src/openrouter/analytics.py:
     id: cb406b5aaabb
     last_write_checksum: sha1:1e0004d8d1d5d797e2b54cd1cabeb7f9489d08e9
@@ -12886,4 +12886,3 @@ examples:
         "500":
           application/json: {"error": {"code": 500, "message": "Internal Server Error"}}
 examplesVersion: 1.0.2
-releaseNotes: "## Python SDK Changes:\n* `open_router.observability.list()`:  `response.data[]` **Changed**\n* `open_router.observability.create()`: \n  *  `request.regions` **Added**\n  *  `response.data` **Changed**\n* `open_router.observability.get()`:  `response.data` **Changed**\n* `open_router.observability.update()`: \n  *  `request.regions` **Added**\n  *  `response.data` **Changed**\n"
diff --git a/.speakeasy/gen.yaml b/.speakeasy/gen.yaml
index bdb2994c..7bdf7652 100644
--- a/.speakeasy/gen.yaml
+++ b/.speakeasy/gen.yaml
@@ -36,7 +36,7 @@ generation:
   documentation: mintlify
   preApplyUnionDiscriminators: true
 python:
-  version: 1.1.127
+  version: 1.1.128
   additionalDependencies:
     dev: {}
     main: {}
diff --git a/.speakeasy/out.openapi.yaml b/.speakeasy/out.openapi.yaml
index b9e88e47..0d218c78 100644
--- a/.speakeasy/out.openapi.yaml
+++ b/.speakeasy/out.openapi.yaml
@@ -24954,6 +24954,7 @@ components:
           type: 'string'
         format:
           description: 'Audio format (e.g., wav, mp3, flac, m4a, ogg, webm, aac). Supported formats vary by provider.'
+          pattern: '^[a-zA-Z0-9][a-zA-Z0-9+._-]{0,15}$'
           type: 'string'
       required:
         - 'data'
diff --git a/.speakeasy/workflow.lock b/.speakeasy/workflow.lock
index 9ee56215..ac2462d1 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: sha256:1c551d0b84d26e924c5452f814262557c0a96e368cba620cdcf637ceecfce526
-        sourceBlobDigest: sha256:091a46fd737e7eaf85cd6402ec86d2106a2a753bee9cacdc64fde4523e736dc6
+        sourceRevisionDigest: sha256:d06ad82cf1f51f6f70dd5a83315258678fd7e3b1784b9cb760820ed39b03d939
+        sourceBlobDigest: sha256:89c69de82a6ae94c2f7431d4cd056dff20a851765efbeabac62bc24be07048fb
         tags:
             - latest
             - 1.0.0
@@ -11,10 +11,10 @@ targets:
     open-router:
         source: OpenRouter API
         sourceNamespace: open-router-chat-completions-api
-        sourceRevisionDigest: sha256:1c551d0b84d26e924c5452f814262557c0a96e368cba620cdcf637ceecfce526
-        sourceBlobDigest: sha256:091a46fd737e7eaf85cd6402ec86d2106a2a753bee9cacdc64fde4523e736dc6
+        sourceRevisionDigest: sha256:d06ad82cf1f51f6f70dd5a83315258678fd7e3b1784b9cb760820ed39b03d939
+        sourceBlobDigest: sha256:89c69de82a6ae94c2f7431d4cd056dff20a851765efbeabac62bc24be07048fb
         codeSamplesNamespace: open-router-python-code-samples
-        codeSamplesRevisionDigest: sha256:cb133efca89db688166250836546ee48a832b57f77cd1559fec479ef9fe1083f
+        codeSamplesRevisionDigest: sha256:414cb983021c9d1c65cfb46d8816966e1bd7e8a300e01c791be0cec7667a626d
 workflow:
     workflowVersion: 1.0.0
     speakeasyVersion: 1.787.0
diff --git a/RELEASES.md b/RELEASES.md
index 55ac4d04..08186d78 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -2059,4 +2059,14 @@ Based on:
 ### Generated
 - [python v1.1.127] .
 ### Releases
-- [PyPI v1.1.127] https://pypi.org/project/openrouter/1.1.127 - .
\ No newline at end of file
+- [PyPI v1.1.127] https://pypi.org/project/openrouter/1.1.127 - .
+
+## 2026-09-07 17:27:12
+### Changes
+Based on:
+- OpenAPI Doc  
+- Speakeasy CLI 1.787.0 (2.914.0) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [python v1.1.128] .
+### Releases
+- [PyPI v1.1.128] https://pypi.org/project/openrouter/1.1.128 - .
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index abceeec2..f8d669d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openrouter"
-version = "1.1.127"
+version = "1.1.128"
 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 05777028..611d8142 100644
--- a/src/openrouter/_version.py
+++ b/src/openrouter/_version.py
@@ -3,10 +3,10 @@
 import importlib.metadata
 
 __title__: str = "openrouter"
-__version__: str = "1.1.127"
+__version__: str = "1.1.128"
 __openapi_doc_version__: str = "1.0.0"
 __gen_version__: str = "2.914.0"
-__user_agent__: str = "speakeasy-sdk/python 1.1.127 2.914.0 1.0.0 openrouter"
+__user_agent__: str = "speakeasy-sdk/python 1.1.128 2.914.0 1.0.0 openrouter"
 
 try:
     if __package__ is not None:
diff --git a/uv.lock b/uv.lock
index edc64982..d23511ce 100644
--- a/uv.lock
+++ b/uv.lock
@@ -213,7 +213,7 @@ wheels = [
 
 [[package]]
 name = "openrouter"
-version = "1.1.127"
+version = "1.1.128"
 source = { editable = "." }
 dependencies = [
     { name = "httpcore" },