diff --git a/src/api/providers/openai.ts b/src/api/providers/openai.ts
index 8551d812a3..203eb44040 100644
--- a/src/api/providers/openai.ts
+++ b/src/api/providers/openai.ts
@@ -13,9 +13,6 @@ import { convertToR1Format } from "../transform/r1-format"
 import { convertToSimpleMessages } from "../transform/simple-format"
 import { ApiStream } from "../transform/stream"
 
-export const DEEP_SEEK_DEFAULT_TEMPERATURE = 0.6
-const OPENAI_DEFAULT_TEMPERATURE = 0
-
 export class OpenAiHandler implements ApiHandler, SingleCompletionHandler {
 	protected options: ApiHandlerOptions
 	private client: OpenAI
@@ -73,9 +70,7 @@ export class OpenAiHandler implements ApiHandler, SingleCompletionHandler {
 
 			const requestOptions: OpenAI.Chat.Completions.ChatCompletionCreateParamsStreaming = {
 				model: modelId,
-				temperature:
-					this.options.modelTemperature ??
-					(deepseekReasoner ? DEEP_SEEK_DEFAULT_TEMPERATURE : OPENAI_DEFAULT_TEMPERATURE),
+				temperature: 0,
 				messages: convertedMessages,
 				stream: true as const,
 				stream_options: { include_usage: true },
diff --git a/src/core/webview/ClineProvider.ts b/src/core/webview/ClineProvider.ts
index 1051267c43..74e797e4a1 100644
--- a/src/core/webview/ClineProvider.ts
+++ b/src/core/webview/ClineProvider.ts
@@ -123,7 +123,6 @@ type GlobalStateKey =
 	| "customModes" // Array of custom modes
 	| "unboundModelId"
 	| "unboundModelInfo"
-	| "modelTemperature"
 
 export const GlobalFileNames = {
 	apiConversationHistory: "api_conversation_history.json",
@@ -1588,7 +1587,6 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 			unboundApiKey,
 			unboundModelId,
 			unboundModelInfo,
-			modelTemperature,
 		} = apiConfiguration
 		await this.updateGlobalState("apiProvider", apiProvider)
 		await this.updateGlobalState("apiModelId", apiModelId)
@@ -1630,7 +1628,6 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 		await this.storeSecret("unboundApiKey", unboundApiKey)
 		await this.updateGlobalState("unboundModelId", unboundModelId)
 		await this.updateGlobalState("unboundModelInfo", unboundModelInfo)
-		await this.updateGlobalState("modelTemperature", modelTemperature)
 		if (this.cline) {
 			this.cline.api = buildApiHandler(apiConfiguration)
 		}
@@ -2391,7 +2388,6 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 			unboundApiKey,
 			unboundModelId,
 			unboundModelInfo,
-			modelTemperature,
 		] = await Promise.all([
 			this.getGlobalState("apiProvider") as Promise<ApiProvider | undefined>,
 			this.getGlobalState("apiModelId") as Promise<string | undefined>,
@@ -2468,7 +2464,6 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 			this.getSecret("unboundApiKey") as Promise<string | undefined>,
 			this.getGlobalState("unboundModelId") as Promise<string | undefined>,
 			this.getGlobalState("unboundModelInfo") as Promise<ModelInfo | undefined>,
-			this.getGlobalState("modelTemperature") as Promise<number | undefined>,
 		])
 
 		let apiProvider: ApiProvider
@@ -2527,7 +2522,6 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 				unboundApiKey,
 				unboundModelId,
 				unboundModelInfo,
-				modelTemperature,
 			},
 			lastShownAnnouncementId,
 			customInstructions,
diff --git a/src/shared/api.ts b/src/shared/api.ts
index 5f41130990..77c73a8c36 100644
--- a/src/shared/api.ts
+++ b/src/shared/api.ts
@@ -61,7 +61,6 @@ export interface ApiHandlerOptions {
 	unboundApiKey?: string
 	unboundModelId?: string
 	unboundModelInfo?: ModelInfo
-	modelTemperature?: number
 }
 
 export type ApiConfiguration = ApiHandlerOptions & {