Configure per-configuration temperature

src/api/providers/__tests__/openai.test.ts

@@ -1,7 +1,5 @@
 import { OpenAiHandler } from "../openai"
 import { ApiHandlerOptions } from "../../../shared/api"
-import { ApiStream } from "../../transform/stream"
-import OpenAI from "openai"
 import { Anthropic } from "@anthropic-ai/sdk"
 
 // Mock OpenAI client

src/api/providers/anthropic.ts

@@ -10,6 +10,8 @@ import {
 import { ApiHandler, SingleCompletionHandler } from "../index"
 import { ApiStream } from "../transform/stream"
 
+const ANTHROPIC_DEFAULT_TEMPERATURE = 0
+
 export class AnthropicHandler implements ApiHandler, SingleCompletionHandler {
 	private options: ApiHandlerOptions
 	private client: Anthropic
@@ -44,7 +46,7 @@ export class AnthropicHandler implements ApiHandler, SingleCompletionHandler {
 					{
 						model: modelId,
 						max_tokens: this.getModel().info.maxTokens || 8192,
-						temperature: 0,
+						temperature: this.options.modelTemperature ?? ANTHROPIC_DEFAULT_TEMPERATURE,
 						system: [{ text: systemPrompt, type: "text", cache_control: { type: "ephemeral" } }], // setting cache breakpoint for system prompt so new tasks can reuse it
 						messages: messages.map((message, index) => {
 							if (index === lastUserMsgIndex || index === secondLastMsgUserIndex) {
@@ -96,7 +98,7 @@ export class AnthropicHandler implements ApiHandler, SingleCompletionHandler {
 				stream = (await this.client.messages.create({
 					model: modelId,
 					max_tokens: this.getModel().info.maxTokens || 8192,
-					temperature: 0,
+					temperature: this.options.modelTemperature ?? ANTHROPIC_DEFAULT_TEMPERATURE,
 					system: [{ text: systemPrompt, type: "text" }],
 					messages,
 					// tools,
@@ -179,7 +181,7 @@ export class AnthropicHandler implements ApiHandler, SingleCompletionHandler {
 			const response = await this.client.messages.create({
 				model: this.getModel().id,
 				max_tokens: this.getModel().info.maxTokens || 8192,
-				temperature: 0,
+				temperature: this.options.modelTemperature ?? ANTHROPIC_DEFAULT_TEMPERATURE,
 				messages: [{ role: "user", content: prompt }],
 				stream: false,
 			})

src/api/providers/bedrock.ts

@@ -11,6 +11,8 @@ import { ApiHandlerOptions, BedrockModelId, ModelInfo, bedrockDefaultModelId, be
 import { ApiStream } from "../transform/stream"
 import { convertToBedrockConverseMessages, convertToAnthropicMessage } from "../transform/bedrock-converse-format"
 
+const BEDROCK_DEFAULT_TEMPERATURE = 0.3
+
 // Define types for stream events based on AWS SDK
 export interface StreamEvent {
 	messageStart?: {
@@ -104,7 +106,7 @@ export class AwsBedrockHandler implements ApiHandler, SingleCompletionHandler {
 			system: [{ text: systemPrompt }],
 			inferenceConfig: {
 				maxTokens: modelConfig.info.maxTokens || 5000,
-				temperature: 0.3,
+				temperature: this.options.modelTemperature ?? BEDROCK_DEFAULT_TEMPERATURE,
 				topP: 0.1,
 				...(this.options.awsUsePromptCache
 					? {
@@ -262,7 +264,7 @@ export class AwsBedrockHandler implements ApiHandler, SingleCompletionHandler {
 				]),
 				inferenceConfig: {
 					maxTokens: modelConfig.info.maxTokens || 5000,
-					temperature: 0.3,
+					temperature: this.options.modelTemperature ?? BEDROCK_DEFAULT_TEMPERATURE,
 					topP: 0.1,
 				},
 			}

src/api/providers/gemini.ts

@@ -5,6 +5,8 @@ import { ApiHandlerOptions, geminiDefaultModelId, GeminiModelId, geminiModels, M
 import { convertAnthropicMessageToGemini } from "../transform/gemini-format"
 import { ApiStream } from "../transform/stream"
 
+const GEMINI_DEFAULT_TEMPERATURE = 0
+
 export class GeminiHandler implements ApiHandler, SingleCompletionHandler {
 	private options: ApiHandlerOptions
 	private client: GoogleGenerativeAI
@@ -23,7 +25,7 @@ export class GeminiHandler implements ApiHandler, SingleCompletionHandler {
 			contents: messages.map(convertAnthropicMessageToGemini),
 			generationConfig: {
 				// maxOutputTokens: this.getModel().info.maxTokens,
-				temperature: 0,
+				temperature: this.options.modelTemperature ?? GEMINI_DEFAULT_TEMPERATURE,
 			},
 		})
 
@@ -60,7 +62,7 @@ export class GeminiHandler implements ApiHandler, SingleCompletionHandler {
 			const result = await model.generateContent({
 				contents: [{ role: "user", parts: [{ text: prompt }] }],
 				generationConfig: {
-					temperature: 0,
+					temperature: this.options.modelTemperature ?? GEMINI_DEFAULT_TEMPERATURE,
 				},
 			})
 

src/api/providers/glama.ts

@@ -5,7 +5,8 @@ import { ApiHandler, SingleCompletionHandler } from "../"
 import { ApiHandlerOptions, ModelInfo, glamaDefaultModelId, glamaDefaultModelInfo } from "../../shared/api"
 import { convertToOpenAiMessages } from "../transform/openai-format"
 import { ApiStream } from "../transform/stream"
-import delay from "delay"
+
+const GLAMA_DEFAULT_TEMPERATURE = 0
 
 export class GlamaHandler implements ApiHandler, SingleCompletionHandler {
 	private options: ApiHandlerOptions
@@ -79,7 +80,7 @@ export class GlamaHandler implements ApiHandler, SingleCompletionHandler {
 		}
 
 		if (this.supportsTemperature()) {
-			requestOptions.temperature = 0
+			requestOptions.temperature = this.options.modelTemperature ?? GLAMA_DEFAULT_TEMPERATURE
 		}
 
 		const { data: completion, response } = await this.client.chat.completions
@@ -172,7 +173,7 @@ export class GlamaHandler implements ApiHandler, SingleCompletionHandler {
 			}
 
 			if (this.supportsTemperature()) {
-				requestOptions.temperature = 0
+				requestOptions.temperature = this.options.modelTemperature ?? GLAMA_DEFAULT_TEMPERATURE
 			}
 
 			if (this.getModel().id.startsWith("anthropic/")) {

src/api/providers/lmstudio.ts

@@ -5,6 +5,8 @@ import { ApiHandlerOptions, ModelInfo, openAiModelInfoSaneDefaults } from "../..
 import { convertToOpenAiMessages } from "../transform/openai-format"
 import { ApiStream } from "../transform/stream"
 
+const LMSTUDIO_DEFAULT_TEMPERATURE = 0
+
 export class LmStudioHandler implements ApiHandler, SingleCompletionHandler {
 	private options: ApiHandlerOptions
 	private client: OpenAI
@@ -27,7 +29,7 @@ export class LmStudioHandler implements ApiHandler, SingleCompletionHandler {
 			const stream = await this.client.chat.completions.create({
 				model: this.getModel().id,
 				messages: openAiMessages,
-				temperature: 0,
+				temperature: this.options.modelTemperature ?? LMSTUDIO_DEFAULT_TEMPERATURE,
 				stream: true,
 			})
 			for await (const chunk of stream) {
@@ -59,7 +61,7 @@ export class LmStudioHandler implements ApiHandler, SingleCompletionHandler {
 			const response = await this.client.chat.completions.create({
 				model: this.getModel().id,
 				messages: [{ role: "user", content: prompt }],
-				temperature: 0,
+				temperature: this.options.modelTemperature ?? LMSTUDIO_DEFAULT_TEMPERATURE,
 				stream: false,
 			})
 			return response.choices[0]?.message.content || ""

src/api/providers/mistral.ts

@@ -14,6 +14,8 @@ import {
 import { convertToMistralMessages } from "../transform/mistral-format"
 import { ApiStream } from "../transform/stream"
 
+const MISTRAL_DEFAULT_TEMPERATURE = 0
+
 export class MistralHandler implements ApiHandler {
 	private options: ApiHandlerOptions
 	private client: Mistral
@@ -30,7 +32,7 @@ export class MistralHandler implements ApiHandler {
 		const stream = await this.client.chat.stream({
 			model: this.getModel().id,
 			// max_completion_tokens: this.getModel().info.maxTokens,
-			temperature: 0,
+			temperature: this.options.modelTemperature ?? MISTRAL_DEFAULT_TEMPERATURE,
 			messages: [{ role: "system", content: systemPrompt }, ...convertToMistralMessages(messages)],
 			stream: true,
 		})

src/api/providers/ollama.ts

@@ -5,6 +5,9 @@ import { ApiHandlerOptions, ModelInfo, openAiModelInfoSaneDefaults } from "../..
 import { convertToOpenAiMessages } from "../transform/openai-format"
 import { convertToR1Format } from "../transform/r1-format"
 import { ApiStream } from "../transform/stream"
+import { DEEP_SEEK_DEFAULT_TEMPERATURE } from "./openai"
+
+const OLLAMA_DEFAULT_TEMPERATURE = 0
 
 export class OllamaHandler implements ApiHandler, SingleCompletionHandler {
 	private options: ApiHandlerOptions
@@ -20,7 +23,7 @@ export class OllamaHandler implements ApiHandler, SingleCompletionHandler {
 
 	async *createMessage(systemPrompt: string, messages: Anthropic.Messages.MessageParam[]): ApiStream {
 		const modelId = this.getModel().id
-		const useR1Format = modelId.toLowerCase().includes('deepseek-r1')
+		const useR1Format = modelId.toLowerCase().includes("deepseek-r1")
 		const openAiMessages: OpenAI.Chat.ChatCompletionMessageParam[] = [
 			{ role: "system", content: systemPrompt },
 			...(useR1Format ? convertToR1Format(messages) : convertToOpenAiMessages(messages)),
@@ -29,7 +32,7 @@ export class OllamaHandler implements ApiHandler, SingleCompletionHandler {
 		const stream = await this.client.chat.completions.create({
 			model: this.getModel().id,
 			messages: openAiMessages,
-			temperature: 0,
+			temperature: this.options.modelTemperature ?? OLLAMA_DEFAULT_TEMPERATURE,
 			stream: true,
 		})
 		for await (const chunk of stream) {
@@ -53,11 +56,15 @@ export class OllamaHandler implements ApiHandler, SingleCompletionHandler {
 	async completePrompt(prompt: string): Promise<string> {
 		try {
 			const modelId = this.getModel().id
-			const useR1Format = modelId.toLowerCase().includes('deepseek-r1')
+			const useR1Format = modelId.toLowerCase().includes("deepseek-r1")
 			const response = await this.client.chat.completions.create({
 				model: this.getModel().id,
-				messages: useR1Format ? convertToR1Format([{ role: "user", content: prompt }]) : [{ role: "user", content: prompt }],
-				temperature: 0,
+				messages: useR1Format
+					? convertToR1Format([{ role: "user", content: prompt }])
+					: [{ role: "user", content: prompt }],
+				temperature:
+					this.options.modelTemperature ??
+					(useR1Format ? DEEP_SEEK_DEFAULT_TEMPERATURE : OLLAMA_DEFAULT_TEMPERATURE),
 				stream: false,
 			})
 			return response.choices[0]?.message.content || ""

src/api/providers/openai-native.ts

@@ -11,6 +11,8 @@ import {
 import { convertToOpenAiMessages } from "../transform/openai-format"
 import { ApiStream } from "../transform/stream"
 
+const OPENAI_NATIVE_DEFAULT_TEMPERATURE = 0
+
 export class OpenAiNativeHandler implements ApiHandler, SingleCompletionHandler {
 	private options: ApiHandlerOptions
 	private client: OpenAI
@@ -88,7 +90,7 @@ export class OpenAiNativeHandler implements ApiHandler, SingleCompletionHandler
 	): ApiStream {
 		const stream = await this.client.chat.completions.create({
 			model: modelId,
-			temperature: 0,
+			temperature: this.options.modelTemperature ?? OPENAI_NATIVE_DEFAULT_TEMPERATURE,
 			messages: [{ role: "system", content: systemPrompt }, ...convertToOpenAiMessages(messages)],
 			stream: true,
 			stream_options: { include_usage: true },
@@ -189,7 +191,7 @@ export class OpenAiNativeHandler implements ApiHandler, SingleCompletionHandler
 		return {
 			model: modelId,
 			messages: [{ role: "user", content: prompt }],
-			temperature: 0,
+			temperature: this.options.modelTemperature ?? OPENAI_NATIVE_DEFAULT_TEMPERATURE,
 		}
 	}
 }

src/api/providers/openai.ts

@@ -13,6 +13,9 @@ 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
@@ -70,7 +73,9 @@ export class OpenAiHandler implements ApiHandler, SingleCompletionHandler {
 
 			const requestOptions: OpenAI.Chat.Completions.ChatCompletionCreateParamsStreaming = {
 				model: modelId,
-				temperature: 0,
+				temperature:
+					this.options.modelTemperature ??
+					(deepseekReasoner ? DEEP_SEEK_DEFAULT_TEMPERATURE : OPENAI_DEFAULT_TEMPERATURE),
 				messages: convertedMessages,
 				stream: true as const,
 				stream_options: { include_usage: true },

src/api/providers/openrouter.ts

@@ -6,6 +6,9 @@ import { ApiHandlerOptions, ModelInfo, openRouterDefaultModelId, openRouterDefau
 import { convertToOpenAiMessages } from "../transform/openai-format"
 import { ApiStreamChunk, ApiStreamUsageChunk } from "../transform/stream"
 import delay from "delay"
+import { DEEP_SEEK_DEFAULT_TEMPERATURE } from "./openai"
+
+const OPENROUTER_DEFAULT_TEMPERATURE = 0
 
 // Add custom interface for OpenRouter params
 type OpenRouterChatCompletionParams = OpenAI.Chat.ChatCompletionCreateParams & {
@@ -115,7 +118,7 @@ export class OpenRouterHandler implements ApiHandler, SingleCompletionHandler {
 				break
 		}
 
-		let temperature = 0
+		let defaultTemperature = OPENROUTER_DEFAULT_TEMPERATURE
 		let topP: number | undefined = undefined
 
 		// Handle models based on deepseek-r1
@@ -124,9 +127,8 @@ export class OpenRouterHandler implements ApiHandler, SingleCompletionHandler {
 			this.getModel().id === "perplexity/sonar-reasoning"
 		) {
 			// Recommended temperature for DeepSeek reasoning models
-			temperature = 0.6
-			// DeepSeek highly recommends using user instead of system
-			// role
+			defaultTemperature = DEEP_SEEK_DEFAULT_TEMPERATURE
+			// DeepSeek highly recommends using user instead of system role
 			openAiMessages = convertToR1Format([{ role: "user", content: systemPrompt }, ...messages])
 			// Some provider support topP and 0.95 is value that Deepseek used in their benchmarks
 			topP = 0.95
@@ -137,7 +139,7 @@ export class OpenRouterHandler implements ApiHandler, SingleCompletionHandler {
 		const stream = await this.client.chat.completions.create({
 			model: this.getModel().id,
 			max_tokens: maxTokens,
-			temperature: temperature,
+			temperature: this.options.modelTemperature ?? defaultTemperature,
 			top_p: topP,
 			messages: openAiMessages,
 			stream: true,
@@ -224,7 +226,7 @@ export class OpenRouterHandler implements ApiHandler, SingleCompletionHandler {
 			const response = await this.client.chat.completions.create({
 				model: this.getModel().id,
 				messages: [{ role: "user", content: prompt }],
-				temperature: 0,
+				temperature: this.options.modelTemperature ?? OPENROUTER_DEFAULT_TEMPERATURE,
 				stream: false,
 			})
 

src/api/providers/unbound.ts

@@ -79,7 +79,7 @@ export class UnboundHandler implements ApiHandler, SingleCompletionHandler {
 				{
 					model: this.getModel().id.split("/")[1],
 					max_tokens: maxTokens,
-					temperature: 0,
+					temperature: this.options.modelTemperature ?? 0,
 					messages: openAiMessages,
 					stream: true,
 				},
@@ -146,7 +146,7 @@ export class UnboundHandler implements ApiHandler, SingleCompletionHandler {
 			const requestOptions: OpenAI.Chat.Completions.ChatCompletionCreateParamsNonStreaming = {
 				model: this.getModel().id.split("/")[1],
 				messages: [{ role: "user", content: prompt }],
-				temperature: 0,
+				temperature: this.options.modelTemperature ?? 0,
 			}
 
 			if (this.getModel().id.startsWith("anthropic/")) {

src/api/providers/vertex.ts

@@ -22,7 +22,7 @@ export class VertexHandler implements ApiHandler, SingleCompletionHandler {
 		const stream = await this.client.messages.create({
 			model: this.getModel().id,
 			max_tokens: this.getModel().info.maxTokens || 8192,
-			temperature: 0,
+			temperature: this.options.modelTemperature ?? 0,
 			system: systemPrompt,
 			messages,
 			stream: true,
@@ -89,7 +89,7 @@ export class VertexHandler implements ApiHandler, SingleCompletionHandler {
 			const response = await this.client.messages.create({
 				model: this.getModel().id,
 				max_tokens: this.getModel().info.maxTokens || 8192,
-				temperature: 0,
+				temperature: this.options.modelTemperature ?? 0,
 				messages: [{ role: "user", content: prompt }],
 				stream: false,
 			})

src/core/webview/ClineProvider.ts

@@ -123,6 +123,7 @@ type GlobalStateKey =
 	| "customModes" // Array of custom modes
 	| "unboundModelId"
 	| "unboundModelInfo"
+	| "modelTemperature"
 
 export const GlobalFileNames = {
 	apiConversationHistory: "api_conversation_history.json",
@@ -1587,6 +1588,7 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 			unboundApiKey,
 			unboundModelId,
 			unboundModelInfo,
+			modelTemperature,
 		} = apiConfiguration
 		await this.updateGlobalState("apiProvider", apiProvider)
 		await this.updateGlobalState("apiModelId", apiModelId)
@@ -1628,6 +1630,7 @@ 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)
 		}
@@ -2388,6 +2391,7 @@ 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>,
@@ -2464,6 +2468,7 @@ 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
@@ -2522,6 +2527,7 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 				unboundApiKey,
 				unboundModelId,
 				unboundModelInfo,
+				modelTemperature,
 			},
 			lastShownAnnouncementId,
 			customInstructions,