diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1308bbf52a2..891bb034352 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 ## vNEXT (not yet released)
 
+## v3.19.1
+
+### `@liveblocks/node` and Python SDK
+
+- Update providers to support newer models up to GPT-5.5 variants, Sonnet 4.6,
+  Opus 4.7, and Gemini 3/3.1 variants.
+
 ## v3.19.0
 
 ### `@liveblocks/node`
diff --git a/docs/references/v2.openapi.json b/docs/references/v2.openapi.json
index 0497b68ca3d..2250270c11c 100644
--- a/docs/references/v2.openapi.json
+++ b/docs/references/v2.openapi.json
@@ -10081,12 +10081,20 @@
           "gpt-4-turbo",
           "gpt-4",
           "gpt-5",
+          "gpt-5-pro",
           "gpt-5-mini",
           "gpt-5-nano",
           "gpt-5-chat-latest",
           "gpt-5.1",
           "gpt-5.1-mini",
-          "gpt-5.1-chat-latest"
+          "gpt-5.1-chat-latest",
+          "gpt-5.2",
+          "gpt-5.2-pro",
+          "gpt-5.4",
+          "gpt-5.4-pro",
+          "gpt-5.4-mini",
+          "gpt-5.4-nano",
+          "gpt-5.5"
         ],
         "example": "gpt-4o"
       },
@@ -10094,6 +10102,10 @@
         "title": "AnthropicModel",
         "type": "string",
         "enum": [
+          "claude-opus-4-7",
+          "claude-sonnet-4-6",
+          "claude-opus-4-6",
+          "claude-opus-4-5-20251101",
           "claude-sonnet-4-5-20250929",
           "claude-haiku-4-5-20251001",
           "claude-opus-4-1-20250805",
@@ -10110,6 +10122,8 @@
         "title": "GoogleModel",
         "type": "string",
         "enum": [
+          "gemini-3-flash-preview",
+          "gemini-3.1-pro-preview",
           "gemini-2.5-flash",
           "gemini-2.5-pro",
           "gemini-2.0-flash-001",
diff --git a/packages/liveblocks-chat-sdk-adapter/package.json b/packages/liveblocks-chat-sdk-adapter/package.json
index 80f3537da3f..9c5862c6e35 100644
--- a/packages/liveblocks-chat-sdk-adapter/package.json
+++ b/packages/liveblocks-chat-sdk-adapter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/chat-sdk-adapter",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "Liveblocks adapter for the Chat SDK.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-client/package.json b/packages/liveblocks-client/package.json
index 8279f84be76..676af38822e 100644
--- a/packages/liveblocks-client/package.json
+++ b/packages/liveblocks-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/client",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "A client that lets you interact with Liveblocks servers. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-core/package.json b/packages/liveblocks-core/package.json
index d7077c58e7c..a49b6cc2082 100644
--- a/packages/liveblocks-core/package.json
+++ b/packages/liveblocks-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/core",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "Private internals for Liveblocks. DO NOT import directly from this package!",
   "type": "module",
   "main": "./dist/index.cjs",
diff --git a/packages/liveblocks-emails/package.json b/packages/liveblocks-emails/package.json
index 5ec966e30dd..b11e2f43ed6 100644
--- a/packages/liveblocks-emails/package.json
+++ b/packages/liveblocks-emails/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/emails",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "A set of functions and utilities to make sending emails based on Liveblocks notification events easy. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-node-lexical/package.json b/packages/liveblocks-node-lexical/package.json
index e493a0ace40..ede422b91c9 100644
--- a/packages/liveblocks-node-lexical/package.json
+++ b/packages/liveblocks-node-lexical/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/node-lexical",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "A server-side utility that lets you modify lexical documents hosted in Liveblocks.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-node-prosemirror/package.json b/packages/liveblocks-node-prosemirror/package.json
index 6d77e02ad0d..296fbb8012d 100644
--- a/packages/liveblocks-node-prosemirror/package.json
+++ b/packages/liveblocks-node-prosemirror/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/node-prosemirror",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "A server-side utility that lets you modify prosemirror and tiptap documents hosted in Liveblocks.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-node/package.json b/packages/liveblocks-node/package.json
index bc577caab26..90363df5a54 100644
--- a/packages/liveblocks-node/package.json
+++ b/packages/liveblocks-node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/node",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "A server-side utility that lets you set up a Liveblocks authentication endpoint. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-node/src/client.ts b/packages/liveblocks-node/src/client.ts
index 1e258f04138..5020e8ea217 100644
--- a/packages/liveblocks-node/src/client.ts
+++ b/packages/liveblocks-node/src/client.ts
@@ -227,12 +227,20 @@ type OpenAiModel =
   | "gpt-4-turbo"
   | "gpt-4"
   | "gpt-5"
+  | "gpt-5-pro"
   | "gpt-5-mini"
   | "gpt-5-nano"
   | "gpt-5-chat-latest"
   | "gpt-5.1"
   | "gpt-5.1-mini"
-  | "gpt-5.1-chat-latest";
+  | "gpt-5.1-chat-latest"
+  | "gpt-5.2"
+  | "gpt-5.2-pro"
+  | "gpt-5.4"
+  | "gpt-5.4-pro"
+  | "gpt-5.4-mini"
+  | "gpt-5.4-nano"
+  | "gpt-5.5";
 
 type OpenAiProviderOptions = {
   openai: {
@@ -244,6 +252,10 @@ type OpenAiProviderOptions = {
 };
 
 type AnthropicModel =
+  | "claude-opus-4-7"
+  | "claude-sonnet-4-6"
+  | "claude-opus-4-6"
+  | "claude-opus-4-5-20251101"
   | "claude-sonnet-4-5-20250929"
   | "claude-haiku-4-5-20251001"
   | "claude-opus-4-1-20250805"
@@ -270,6 +282,8 @@ type AnthropicProviderOptions = {
 };
 
 type GoogleModel =
+  | "gemini-3-flash-preview"
+  | "gemini-3.1-pro-preview"
   | "gemini-2.5-flash"
   | "gemini-2.5-pro"
   | "gemini-2.0-flash-001"
diff --git a/packages/liveblocks-python-codegen/config.yaml b/packages/liveblocks-python-codegen/config.yaml
index 4700594b389..8b0328e3177 100644
--- a/packages/liveblocks-python-codegen/config.yaml
+++ b/packages/liveblocks-python-codegen/config.yaml
@@ -1,7 +1,7 @@
 project_name_override: liveblocks
 package_name_override: liveblocks
 
-package_version_override: 3.16.0
+package_version_override: 3.19.1
 
 post_hooks:
   - "uvx ruff check --fix-only ."
diff --git a/packages/liveblocks-python/liveblocks/models/anthropic_model.py b/packages/liveblocks-python/liveblocks/models/anthropic_model.py
index 2353e913eff..826c13ab426 100644
--- a/packages/liveblocks-python/liveblocks/models/anthropic_model.py
+++ b/packages/liveblocks-python/liveblocks/models/anthropic_model.py
@@ -10,4 +10,8 @@ class AnthropicModel(StrEnum):
     CLAUDE_4_SONNET_20250514 = "claude-4-sonnet-20250514"
     CLAUDE_HAIKU_4_5_20251001 = "claude-haiku-4-5-20251001"
     CLAUDE_OPUS_4_1_20250805 = "claude-opus-4-1-20250805"
+    CLAUDE_OPUS_4_5_20251101 = "claude-opus-4-5-20251101"
+    CLAUDE_OPUS_4_6 = "claude-opus-4-6"
+    CLAUDE_OPUS_4_7 = "claude-opus-4-7"
     CLAUDE_SONNET_4_5_20250929 = "claude-sonnet-4-5-20250929"
+    CLAUDE_SONNET_4_6 = "claude-sonnet-4-6"
diff --git a/packages/liveblocks-python/liveblocks/models/google_model.py b/packages/liveblocks-python/liveblocks/models/google_model.py
index d0c22740410..f85baf7c6e1 100644
--- a/packages/liveblocks-python/liveblocks/models/google_model.py
+++ b/packages/liveblocks-python/liveblocks/models/google_model.py
@@ -7,3 +7,5 @@ class GoogleModel(StrEnum):
     GEMINI_2_0_FLASH_001 = "gemini-2.0-flash-001"
     GEMINI_2_5_FLASH = "gemini-2.5-flash"
     GEMINI_2_5_PRO = "gemini-2.5-pro"
+    GEMINI_3_1_PRO_PREVIEW = "gemini-3.1-pro-preview"
+    GEMINI_3_FLASH_PREVIEW = "gemini-3-flash-preview"
diff --git a/packages/liveblocks-python/liveblocks/models/open_ai_model.py b/packages/liveblocks-python/liveblocks/models/open_ai_model.py
index c251bdc0ea5..40fe22c3f19 100644
--- a/packages/liveblocks-python/liveblocks/models/open_ai_model.py
+++ b/packages/liveblocks-python/liveblocks/models/open_ai_model.py
@@ -13,9 +13,17 @@ class OpenAiModel(StrEnum):
     GPT_5_1 = "gpt-5.1"
     GPT_5_1_CHAT_LATEST = "gpt-5.1-chat-latest"
     GPT_5_1_MINI = "gpt-5.1-mini"
+    GPT_5_2 = "gpt-5.2"
+    GPT_5_2_PRO = "gpt-5.2-pro"
+    GPT_5_4 = "gpt-5.4"
+    GPT_5_4_MINI = "gpt-5.4-mini"
+    GPT_5_4_NANO = "gpt-5.4-nano"
+    GPT_5_4_PRO = "gpt-5.4-pro"
+    GPT_5_5 = "gpt-5.5"
     GPT_5_CHAT_LATEST = "gpt-5-chat-latest"
     GPT_5_MINI = "gpt-5-mini"
     GPT_5_NANO = "gpt-5-nano"
+    GPT_5_PRO = "gpt-5-pro"
     O1 = "o1"
     O1_MINI = "o1-mini"
     O3 = "o3"
diff --git a/packages/liveblocks-python/pyproject.toml b/packages/liveblocks-python/pyproject.toml
index 5de36bb790c..beb3444ed7b 100644
--- a/packages/liveblocks-python/pyproject.toml
+++ b/packages/liveblocks-python/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "liveblocks"
-version = "3.16.0"
+version = "3.19.1"
 description = "A client library for accessing Liveblocks API"
 authors = []
 requires-python = ">=3.11"
diff --git a/packages/liveblocks-react-blocknote/package.json b/packages/liveblocks-react-blocknote/package.json
index 221cba26606..573dae62492 100644
--- a/packages/liveblocks-react-blocknote/package.json
+++ b/packages/liveblocks-react-blocknote/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/react-blocknote",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "An integration of BlockNote + React to enable collaboration, comments, live cursors, and more with Liveblocks.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-react-flow/package.json b/packages/liveblocks-react-flow/package.json
index def0bc775d4..8fa35646533 100644
--- a/packages/liveblocks-react-flow/package.json
+++ b/packages/liveblocks-react-flow/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/react-flow",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "An integration of React Flow to enable collaboration and realtime cursors with Liveblocks.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-react-lexical/package.json b/packages/liveblocks-react-lexical/package.json
index 473ff1f43df..d0fc59c9ae1 100644
--- a/packages/liveblocks-react-lexical/package.json
+++ b/packages/liveblocks-react-lexical/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/react-lexical",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "An integration of Lexical + React to enable collaboration, comments, live cursors, and more with Liveblocks.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-react-tiptap/package.json b/packages/liveblocks-react-tiptap/package.json
index d652066a738..566620bbb63 100644
--- a/packages/liveblocks-react-tiptap/package.json
+++ b/packages/liveblocks-react-tiptap/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/react-tiptap",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "An integration of TipTap + React to enable collaboration, comments, live cursors, and more with Liveblocks.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-react-ui/package.json b/packages/liveblocks-react-ui/package.json
index 2d3b05616c0..cac7063f23d 100644
--- a/packages/liveblocks-react-ui/package.json
+++ b/packages/liveblocks-react-ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/react-ui",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "A set of React pre-built components for the Liveblocks products. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-react/package.json b/packages/liveblocks-react/package.json
index 172ee6c4f38..404502e124b 100644
--- a/packages/liveblocks-react/package.json
+++ b/packages/liveblocks-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/react",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "A set of React hooks and providers to use Liveblocks declaratively. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-redux/package.json b/packages/liveblocks-redux/package.json
index c1583c137e0..69bc187c369 100644
--- a/packages/liveblocks-redux/package.json
+++ b/packages/liveblocks-redux/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/redux",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "A store enhancer to integrate Liveblocks into Redux stores. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-yjs/package.json b/packages/liveblocks-yjs/package.json
index dbb191c9a4e..d8e14f502e8 100644
--- a/packages/liveblocks-yjs/package.json
+++ b/packages/liveblocks-yjs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/yjs",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "Integrate your existing or new Yjs documents with Liveblocks.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",
diff --git a/packages/liveblocks-zustand/package.json b/packages/liveblocks-zustand/package.json
index e9890334071..bf28e2325f8 100644
--- a/packages/liveblocks-zustand/package.json
+++ b/packages/liveblocks-zustand/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liveblocks/zustand",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "A middleware for Zustand to automatically synchronize your stores with Liveblocks. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.",
   "license": "Apache-2.0",
   "author": "Liveblocks Inc.",