fix: surface unknown pricing instead of misleading $0.0000

src/core/task/StreamingMetricsManager.ts

@@ -84,8 +84,8 @@ export class StreamingMetricsManager {
 		})
 	}
 
-	/** Compute the cost, using the provider-calculated value when available. */
-	getTotalCost(): number {
+	/** Compute the cost, using the provider-calculated value when available. Returns undefined when pricing is unknown. */
+	getTotalCost(): number | undefined {
 		return (
 			this.metrics.totalCost ??
 			calculateCost({

src/core/task/__tests__/StreamingMetricsManager.test.ts

@@ -41,10 +41,18 @@ describe("StreamingMetricsManager", () => {
 		expect(manager.getTotalCost()).to.equal(1.23)
 	})
 
-	it("computes cost via calculateCost when provider totalCost is absent", () => {
+	it("returns undefined when provider totalCost is absent and model has no pricing", () => {
 		const manager = new StreamingMetricsManager({} as any, 0, stubApi(100_000) as any)
 		manager.updateFromChunk({ inputTokens: 0, outputTokens: 0 })
-		// zero tokens and no provider cost -> calculateCost yields 0
+		// no provider cost + no model pricing -> unknown, not zero
+		expect(manager.getTotalCost()).to.be.undefined
+	})
+
+	it("returns 0 when provider totalCost is absent but model has explicit zero pricing", () => {
+		const freeApi = { getModel: () => ({ info: { contextWindow: 100_000, inputPrice: 0, outputPrice: 0 } }) } as any
+		const manager = new StreamingMetricsManager({} as any, 0, freeApi)
+		manager.updateFromChunk({ inputTokens: 10, outputTokens: 5 })
+		// explicitly free model -> cost is genuinely 0
 		expect(manager.getTotalCost()).to.equal(0)
 	})
 

src/core/task/index.ts

@@ -2185,7 +2185,8 @@ export class Task {
 				this.taskState.totalReasoningTokens += metrics.reasoningTokens
 				this.taskState.totalCacheWriteTokens += metrics.cacheWriteTokens
 				this.taskState.totalCacheReadTokens += metrics.cacheReadTokens
-				this.taskState.totalCost += metricsManager.getTotalCost()
+				const cost = metricsManager.getTotalCost()
+				if (cost !== undefined) this.taskState.totalCost += cost
 
 				const currentApiReqIndex = findLastIndex(
 					this.messageStateHandler.getDiracMessages(),

src/core/task/utils.ts

@@ -2,9 +2,7 @@ import { ApiHandler } from "@core/api"
 import { execSync } from "child_process"
 import { showSystemNotification } from "@/integrations/notifications"
 import { DiracApiReqCancelReason, DiracApiReqInfo, DiracMessageType } from "@/shared/ExtensionMessage"
-
-import { calculateApiCostAnthropic } from "@/utils/cost"
-import { calculateApiCostOpenAI, calculateApiCostQwen } from "@/utils/cost"
+import { calculateApiCostAnthropic, calculateApiCostOpenAI, calculateApiCostQwen } from "@/utils/cost"
 import { MessageStateHandler } from "./message-state"
 
 export const showNotificationForApproval = (message: string, notificationsEnabled: boolean) => {
@@ -40,7 +38,7 @@ export const calculateCost = (params: {
 	cacheReadTokens: number
 	reasoningTokens: number
 	api: ApiHandler
-}): number => {
+}): number | undefined => {
 	const info = params.api.getModel().info
 	const provider = params.api.constructor.name
 	if (provider === "ZAiHandler" || provider === "OpenAiHandler" || provider === "DeepSeekHandler") {

src/shared/api/models/index.ts

@@ -1,116 +1,93 @@
 // Barrel re-export — all model registries, types, and capabilities
 
-export {
-	type ModelCapabilities,
-	type ModelInfo,
-	type PriceTier,
-	type OpenAiCompatibleProfile,
-	type ModelProviderPreset,
-	type ModelProviderSelection,
-	type OpenAiCompatibleModelInfo,
-	type OcaModelInfo,
-	type LiteLLMModelInfo,
-	type BasetenModelInfo,
-} from "./types"
-export { createModelProviderSelection } from "./types"
-export { MODEL_CAPABILITIES } from "./capabilities"
-export { GPT_5_5_TIERS, GPT_5_4_TIERS, GPT_5_4_PRO_TIERS } from "./shared-tiers"
-
 // Anthropic
 export {
+	ANTHROPIC_FAST_MODE_SUFFIX,
+	ANTHROPIC_MAX_THINKING_BUDGET,
+	ANTHROPIC_MIN_THINKING_BUDGET,
 	type AnthropicModelId,
 	anthropicDefaultModelId,
 	anthropicModels,
-	ANTHROPIC_FAST_MODE_SUFFIX,
-	ANTHROPIC_MIN_THINKING_BUDGET,
-	ANTHROPIC_MAX_THINKING_BUDGET,
 	isAnthropicAdaptiveThinkingSupported,
 } from "./anthropic"
-export { type ClaudeCodeModelId, claudeCodeDefaultModelId, claudeCodeModels } from "./claude-code"
-
+// Baseten
+export { type BasetenModelId, basetenDefaultModelId, basetenModels } from "./baseten"
 // AWS Bedrock
 export { type BedrockModelId, bedrockDefaultModelId, bedrockModels } from "./bedrock"
-
-// Google Vertex AI
-export { type VertexModelId, vertexDefaultModelId, vertexModels, vertexGlobalModels } from "./vertex"
-
+export { MODEL_CAPABILITIES } from "./capabilities"
+// Cerebras
+export { type CerebrasModelId, cerebrasDefaultModelId, cerebrasModels } from "./cerebras"
+export { type ClaudeCodeModelId, claudeCodeDefaultModelId, claudeCodeModels } from "./claude-code"
+// DeepSeek
+export { type DeepSeekModelId, deepSeekDefaultModelId, deepSeekModels } from "./deepseek"
+// Doubao
+export { type DoubaoModelId, doubaoDefaultModelId, doubaoModels } from "./doubao"
+// Fireworks
+export { type FireworksModelId, fireworksDefaultModelId, fireworksModels } from "./fireworks"
 // Google Gemini
 export { type GeminiModelId, geminiDefaultModelId, geminiModels } from "./gemini"
-
+// Groq
+export { type GroqModelId, groqDefaultModelId, groqModels } from "./groq"
+// Huawei Cloud MaaS
+export { type HuaweiCloudMaasModelId, huaweiCloudMaasDefaultModelId, huaweiCloudMaasModels } from "./huawei-cloud-maas"
+// HuggingFace
+export { type HuggingFaceModelId, huggingFaceDefaultModelId, huggingFaceModels } from "./huggingface"
+// LiteLLM
+export { type LiteLLMModelId, liteLlmDefaultModelId, liteLlmModelInfoSaneDefaults } from "./litellm"
+// Minimax
+export { type MinimaxModelId, minimaxDefaultModelId, minimaxModels } from "./minimax"
+// Mistral
+export { type MistralModelId, mistralDefaultModelId, mistralModels } from "./mistral"
+// Moonshot
+export { type MoonshotModelId, moonshotDefaultModelId, moonshotModels } from "./moonshot"
+// Nebius
+export { type NebiusModelId, nebiusDefaultModelId, nebiusModels } from "./nebius"
+// NousResearch
+export { type NousResearchModelId, nousResearchDefaultModelId, nousResearchModels } from "./nousresearch"
+export {
+	type OpenAiCodexModelId,
+	type OpenAiCodexModelInfo,
+	openAiCodexDefaultModelId,
+	openAiCodexModels,
+} from "./openai-codex"
+export { azureOpenAiDefaultApiVersion, openAiModelInfoSaneDefaults } from "./openai-defaults"
 // OpenAI Native
 export {
 	type OpenAiNativeModelId,
 	type OpenAiNativeModelInfo,
 	openAiNativeDefaultModelId,
 	openAiNativeModels,
 } from "./openai-native"
-export {
-	type OpenAiCodexModelId,
-	type OpenAiCodexModelInfo,
-	openAiCodexDefaultModelId,
-	openAiCodexModels,
-} from "./openai-codex"
-export { openAiModelInfoSaneDefaults, azureOpenAiDefaultApiVersion } from "./openai-defaults"
-
-// DeepSeek
-export { type DeepSeekModelId, deepSeekDefaultModelId, deepSeekModels } from "./deepseek"
-
-// HuggingFace
-export { type HuggingFaceModelId, huggingFaceDefaultModelId, huggingFaceModels } from "./huggingface"
-
+export { type QwenCodeModelId, qwenCodeDefaultModelId, qwenCodeModels } from "./qwen-code"
 // Qwen
 export { type InternationalQwenModelId, internationalQwenDefaultModelId, internationalQwenModels } from "./qwen-international"
 export { type MainlandQwenModelId, mainlandQwenDefaultModelId, mainlandQwenModels, QwenApiRegions } from "./qwen-mainland"
-export { type QwenCodeModelId, qwenCodeDefaultModelId, qwenCodeModels } from "./qwen-code"
-
-// Doubao
-export { type DoubaoModelId, doubaoDefaultModelId, doubaoModels } from "./doubao"
-
-// Mistral
-export { type MistralModelId, mistralDefaultModelId, mistralModels } from "./mistral"
-
-// Nebius
-export { type NebiusModelId, nebiusDefaultModelId, nebiusModels } from "./nebius"
-
+// Requesty
+export { requestyDefaultModelId, requestyDefaultModelInfo } from "./requesty"
+// Sambanova
+export { type SambanovaModelId, sambanovaDefaultModelId, sambanovaModels } from "./sambanova"
+export { GPT_5_4_PRO_TIERS, GPT_5_4_TIERS, GPT_5_5_TIERS } from "./shared-tiers"
+export {
+	type BasetenModelInfo,
+	createModelProviderSelection,
+	hasPricing,
+	isFreeModel,
+	type LiteLLMModelInfo,
+	type ModelCapabilities,
+	type ModelInfo,
+	type ModelProviderPreset,
+	type ModelProviderSelection,
+	type OcaModelInfo,
+	type OpenAiCompatibleModelInfo,
+	type OpenAiCompatibleProfile,
+	type PriceTier,
+} from "./types"
+// Google Vertex AI
+export { type VertexModelId, vertexDefaultModelId, vertexGlobalModels, vertexModels } from "./vertex"
 // Wandb
 export { type WandbModelId, wandbDefaultModelId, wandbModels } from "./wandb"
-
 // XAI
 export { type XAIModelId, xaiDefaultModelId, xaiModels } from "./xai"
-
-// Sambanova
-export { type SambanovaModelId, sambanovaDefaultModelId, sambanovaModels } from "./sambanova"
-
-// Cerebras
-export { type CerebrasModelId, cerebrasDefaultModelId, cerebrasModels } from "./cerebras"
-
-// Groq
-export { type GroqModelId, groqDefaultModelId, groqModels } from "./groq"
-
-// Moonshot
-export { type MoonshotModelId, moonshotDefaultModelId, moonshotModels } from "./moonshot"
-
-// Huawei Cloud MaaS
-export { type HuaweiCloudMaasModelId, huaweiCloudMaasDefaultModelId, huaweiCloudMaasModels } from "./huawei-cloud-maas"
-
-// Baseten
-export { type BasetenModelId, basetenDefaultModelId, basetenModels } from "./baseten"
-
 // ZAI
-export { type internationalZAiModelId, internationalZAiDefaultModelId, internationalZAiModels } from "./zai-international"
-export { type mainlandZAiModelId, mainlandZAiDefaultModelId, mainlandZAiModels } from "./zai-mainland"
-
-// Fireworks
-export { type FireworksModelId, fireworksDefaultModelId, fireworksModels } from "./fireworks"
-
-// Minimax
-export { type MinimaxModelId, minimaxDefaultModelId, minimaxModels } from "./minimax"
-
-// NousResearch
-export { type NousResearchModelId, nousResearchDefaultModelId, nousResearchModels } from "./nousresearch"
-
-// LiteLLM
-export { type LiteLLMModelId, liteLlmDefaultModelId, liteLlmModelInfoSaneDefaults } from "./litellm"
-
-// Requesty
-export { requestyDefaultModelId, requestyDefaultModelInfo } from "./requesty"
+export { internationalZAiDefaultModelId, type internationalZAiModelId, internationalZAiModels } from "./zai-international"
+export { mainlandZAiDefaultModelId, type mainlandZAiModelId, mainlandZAiModels } from "./zai-mainland"

src/shared/api/models/litellm.ts

@@ -13,10 +13,7 @@ export const liteLlmModelInfoSaneDefaults: LiteLLMModelInfo = {
 	contextWindow: 128_000,
 	supportsImages: true,
 	supportsPromptCache: true,
-	inputPrice: 0,
 	supportsTools: true,
-	outputPrice: 0,
-	cacheWritesPrice: 0,
-	cacheReadsPrice: 0,
+	// No inputPrice/outputPrice — unknown LiteLLM models have unknown pricing, not $0
 	temperature: 0,
 }

src/shared/api/models/openai-defaults.ts

@@ -9,8 +9,7 @@ export const openAiModelInfoSaneDefaults: OpenAiCompatibleModelInfo = {
 	supportsReasoning: true,
 	supportsStrictTools: false,
 	isR1FormatRequired: false,
-	inputPrice: 0,
-	outputPrice: 0,
+	// No inputPrice/outputPrice — unknown models have unknown pricing, not $0
 	temperature: 0,
 }
 

src/shared/api/models/types.ts

@@ -129,3 +129,13 @@ export interface LiteLLMModelInfo extends ModelInfo {
 export interface BasetenModelInfo extends ModelInfo {
 	supportedFeatures?: string[]
 }
+
+// True when the model has any pricing data (even $0); false when pricing is unknown.
+export function hasPricing(modelInfo: ModelInfo): boolean {
+	return modelInfo.inputPrice !== undefined || modelInfo.outputPrice !== undefined
+}
+
+// True only for models with explicitly zero base prices (genuinely free).
+export function isFreeModel(modelInfo: ModelInfo): boolean {
+	return modelInfo.inputPrice === 0 && modelInfo.outputPrice === 0
+}