diff --git a/extensions/vscode-api-tests/package.json b/extensions/vscode-api-tests/package.json
index a35e4bc08cc..85f70af3f4f 100644
--- a/extensions/vscode-api-tests/package.json
+++ b/extensions/vscode-api-tests/package.json
@@ -8,7 +8,7 @@
     "activeComment",
     "authSession",
     "chatAgents2",
-    "chatRequestAccess",
+    "languageModels",
     "defaultChatAgent",
     "contribViewsRemote",
     "contribStatusBarItems",
diff --git a/src/vs/workbench/api/common/extHost.api.impl.ts b/src/vs/workbench/api/common/extHost.api.impl.ts
index 2f1aac77d56..4e95fc270b0 100644
--- a/src/vs/workbench/api/common/extHost.api.impl.ts
+++ b/src/vs/workbench/api/common/extHost.api.impl.ts
@@ -1395,24 +1395,12 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 			}
 		};
 
-		// namespace: llm
+		// namespace: chat
 		const chat: typeof vscode.chat = {
 			registerChatResponseProvider(id: string, provider: vscode.ChatResponseProvider, metadata: vscode.ChatResponseProviderMetadata) {
 				checkProposedApiEnabled(extension, 'chatProvider');
 				return extHostChatProvider.registerLanguageModel(extension, id, provider, metadata);
 			},
-			requestLanguageModelAccess(id, options) {
-				checkProposedApiEnabled(extension, 'chatRequestAccess');
-				return extHostChatProvider.requestLanguageModelAccess(extension, id, options);
-			},
-			get languageModels() {
-				checkProposedApiEnabled(extension, 'chatRequestAccess');
-				return extHostChatProvider.getLanguageModelIds();
-			},
-			onDidChangeLanguageModels: (listener, thisArgs?, disposables?) => {
-				checkProposedApiEnabled(extension, 'chatRequestAccess');
-				return extHostChatProvider.onDidChangeProviders(listener, thisArgs, disposables);
-			},
 			registerVariable(name: string, description: string, resolver: vscode.ChatVariableResolver) {
 				checkProposedApiEnabled(extension, 'chatAgents2');
 				return extHostChatVariables.registerVariableResolver(extension, name, description, resolver);
@@ -1427,6 +1415,22 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 			},
 		};
 
+		// namespace: lm
+		const lm: typeof vscode.lm = {
+			requestLanguageModelAccess(id, options) {
+				checkProposedApiEnabled(extension, 'languageModels');
+				return extHostChatProvider.requestLanguageModelAccess(extension, id, options);
+			},
+			get languageModels() {
+				checkProposedApiEnabled(extension, 'languageModels');
+				return extHostChatProvider.getLanguageModelIds();
+			},
+			onDidChangeLanguageModels: (listener, thisArgs?, disposables?) => {
+				checkProposedApiEnabled(extension, 'languageModels');
+				return extHostChatProvider.onDidChangeProviders(listener, thisArgs, disposables);
+			}
+		};
+
 		// namespace: speech
 		const speech: typeof vscode.speech = {
 			registerSpeechProvider(id: string, provider: vscode.SpeechProvider) {
@@ -1449,6 +1453,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 			interactive,
 			l10n,
 			languages,
+			lm,
 			notebooks,
 			scm,
 			speech,
diff --git a/src/vs/workbench/services/extensions/common/extensionsApiProposals.ts b/src/vs/workbench/services/extensions/common/extensionsApiProposals.ts
index 879db067311..526ed79e092 100644
--- a/src/vs/workbench/services/extensions/common/extensionsApiProposals.ts
+++ b/src/vs/workbench/services/extensions/common/extensionsApiProposals.ts
@@ -14,7 +14,6 @@ export const allApiProposals = Object.freeze({
 	chatAgents2: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.chatAgents2.d.ts',
 	chatAgents2Additions: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.chatAgents2Additions.d.ts',
 	chatProvider: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.chatProvider.d.ts',
-	chatRequestAccess: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.chatRequestAccess.d.ts',
 	chatTab: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.chatTab.d.ts',
 	codeActionAI: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.codeActionAI.d.ts',
 	codeActionRanges: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.codeActionRanges.d.ts',
@@ -66,6 +65,7 @@ export const allApiProposals = Object.freeze({
 	interactive: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.interactive.d.ts',
 	interactiveWindow: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.interactiveWindow.d.ts',
 	ipc: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.ipc.d.ts',
+	languageModels: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.languageModels.d.ts',
 	languageStatusText: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.languageStatusText.d.ts',
 	mappedEditsProvider: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.mappedEditsProvider.d.ts',
 	multiDocumentHighlightProvider: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.multiDocumentHighlightProvider.d.ts',
diff --git a/src/vscode-dts/vscode.proposed.chatRequestAccess.d.ts b/src/vscode-dts/vscode.proposed.languageModels.d.ts
similarity index 98%
rename from src/vscode-dts/vscode.proposed.chatRequestAccess.d.ts
rename to src/vscode-dts/vscode.proposed.languageModels.d.ts
index 633c28dc61e..0e35351833b 100644
--- a/src/vscode-dts/vscode.proposed.chatRequestAccess.d.ts
+++ b/src/vscode-dts/vscode.proposed.languageModels.d.ts
@@ -152,8 +152,10 @@ declare module 'vscode' {
 		readonly removed: readonly string[];
 	}
 
-	//@API DEFINE the namespace for this: lm (languageModels), copilot, ai, env,?
-	export namespace chat {
+	/**
+	 * Namespace for language model related functionality.
+	 */
+	export namespace lm {
 
 		/**
 		 * Request access to a language model.