[Fix] DeepSeek V4 costs are underestimated after pricing changes

packages/types/src/__tests__/deepseek-v4-pro.test.ts

@@ -0,0 +1,82 @@
+import { basetenModels, deepSeekModels, fireworksModels, opencodeGoModels } from "../providers/index.js"
+
+describe("DeepSeek V4 Pro 0813 provider catalogs", () => {
+	it.each([
+		["DeepSeek", deepSeekModels["deepseek-v4-pro"]],
+		["OpenCode Go", opencodeGoModels["deepseek-v4-pro"]],
+	])("labels the first-party API checkpoint through %s", (_provider, model) => {
+		expect(model).toBeDefined()
+		expect(model?.displayName).toBe("DeepSeek V4 Pro 0813")
+		expect(model?.contextWindow).toBeGreaterThanOrEqual(1_000_000)
+	})
+
+	it("uses peak first-party pricing and unchanged OpenCode Go pricing", () => {
+		expect(deepSeekModels["deepseek-v4-flash"]).toMatchObject({
+			supportsImages: false,
+			outputPrice: 1.32,
+			cacheWritesPrice: 0.44,
+			cacheReadsPrice: 0.014,
+		})
+		expect(deepSeekModels["deepseek-v4-pro"].supportsImages).toBe(false)
+		expect(deepSeekModels["deepseek-v4-pro"]).toMatchObject({
+			outputPrice: 3.96,
+			cacheWritesPrice: 1.32,
+			cacheReadsPrice: 0.044,
+		})
+		expect(opencodeGoModels["deepseek-v4-pro"]).toMatchObject({
+			inputPrice: 0.435,
+			outputPrice: 0.87,
+			cacheReadsPrice: 0.003625,
+		})
+		expect(opencodeGoModels["deepseek-v4-flash"]).toMatchObject({
+			inputPrice: 0.14,
+			outputPrice: 0.28,
+			cacheReadsPrice: 0.0028,
+		})
+	})
+
+	// Self-hosted providers retain separate IDs for the preview weights and 0813 checkpoint.
+	it.each([
+		["Fireworks AI", fireworksModels["accounts/fireworks/models/deepseek-v4-pro"]],
+		["Baseten", basetenModels["deepseek-ai/DeepSeek-V4-Pro"]],
+	])("does not apply the API checkpoint label to %s", (_provider, model) => {
+		expect(model).toBeDefined()
+		expect("displayName" in model && typeof model.displayName === "string" ? model.displayName : "").not.toContain(
+			"0813",
+		)
+		expect(model?.contextWindow).toBeGreaterThanOrEqual(1_000_000)
+	})
+
+	it.each([
+		[
+			"Fireworks AI",
+			fireworksModels["accounts/fireworks/models/deepseek-v4-pro-0813"],
+			{ inputPrice: 1.32, outputPrice: 3.96, cacheReadsPrice: 0.044 },
+		],
+		[
+			"Baseten",
+			basetenModels["deepseek-ai/DeepSeek-V4-Pro-0813"],
+			{ inputPrice: 1.32, outputPrice: 3.96, cacheReadsPrice: 0.132 },
+		],
+	])("publishes the dated checkpoint and provider-specific pricing for %s", (_provider, model, pricing) => {
+		expect(model).toMatchObject({
+			displayName: "DeepSeek V4 Pro 0813",
+			...pricing,
+		})
+	})
+
+	it("keeps preview pricing separate and omits unverified cache-write prices", () => {
+		expect(fireworksModels["accounts/fireworks/models/deepseek-v4-pro"]).toMatchObject({
+			inputPrice: 1.74,
+			outputPrice: 3.48,
+			cacheReadsPrice: 0.145,
+		})
+		expect(basetenModels["deepseek-ai/DeepSeek-V4-Pro"]).toMatchObject({
+			inputPrice: 1.74,
+			outputPrice: 3.48,
+			cacheReadsPrice: 0.145,
+		})
+		expect(basetenModels["deepseek-ai/DeepSeek-V4-Pro"]).not.toHaveProperty("cacheWritesPrice")
+		expect(basetenModels["deepseek-ai/DeepSeek-V4-Pro-0813"]).not.toHaveProperty("cacheWritesPrice")
+	})
+})

packages/types/src/providers/baseten.ts

@@ -83,6 +83,32 @@ export const basetenModels = {
 		description:
 			"DeepSeek's hybrid reasoning model with efficient long context scaling with GPT-5 level performance",
 	},
+	"deepseek-ai/DeepSeek-V4-Pro": {
+		displayName: "DeepSeek V4 Pro",
+		maxTokens: 384_000,
+		contextWindow: 1_000_000,
+		supportsImages: false,
+		supportsPromptCache: true,
+		supportsMaxTokens: true,
+		inputPrice: 1.74,
+		outputPrice: 3.48,
+		cacheReadsPrice: 0.145,
+		description:
+			"DeepSeek V4 Pro is a 1.6T-parameter mixture-of-experts model with a 1M context window for advanced reasoning, coding, and agentic workloads.",
+	},
+	"deepseek-ai/DeepSeek-V4-Pro-0813": {
+		displayName: "DeepSeek V4 Pro 0813",
+		maxTokens: 384_000,
+		contextWindow: 1_000_000,
+		supportsImages: false,
+		supportsPromptCache: true,
+		supportsMaxTokens: true,
+		inputPrice: 1.32,
+		outputPrice: 3.96,
+		cacheReadsPrice: 0.132,
+		description:
+			"DeepSeek V4 Pro 0813 is a 1.6T-parameter mixture-of-experts model with a 1M context window for advanced reasoning, coding, and agentic workloads.",
+	},
 	"openai/gpt-oss-120b": {
 		maxTokens: 16_384,
 		contextWindow: 128_072,

packages/types/src/providers/deepseek.ts

@@ -12,32 +12,33 @@ export const deepSeekModels = {
 	"deepseek-v4-flash": {
 		maxTokens: 384_000,
 		contextWindow: 1_000_000,
-		supportsImages: true,
+		supportsImages: false,
 		supportsPromptCache: true,
 		supportsReasoningEffort: ["disable", "low", "high", "max"], // Updated 2026-08-01
 		preserveReasoning: true,
 		reasoningEffort: "high",
 		inputPrice: 0, // the inputs are priced as cache read/write, so `inputPrice` should be 0
-		// the peak/off-peak pricing policy has not been implemented yet - Updated 2026-08-01
-		outputPrice: 0.28, // $0.28 per million tokens - Updated 2026-08-01
-		cacheWritesPrice: 0.14, // $0.14 per million tokens (cache miss) - Updated 2026-08-01
-		cacheReadsPrice: 0.0028, // $0.0028 per million tokens (cache hit) - Updated 2026-08-01
+		// Static estimates use peak rates; off-peak rates are 50% lower. Effective 2026-08-16.
+		outputPrice: 1.32,
+		cacheWritesPrice: 0.44,
+		cacheReadsPrice: 0.014,
 		description: `DeepSeek-V4-Flash is DeepSeek's fast, cost-efficient V4 model. It supports thinking and non-thinking modes, JSON output, tool calls, chat prefix completion (beta), and FIM completion (beta) in non-thinking mode.`,
 	},
 	"deepseek-v4-pro": {
+		displayName: "DeepSeek V4 Pro 0813",
 		maxTokens: 384_000,
 		contextWindow: 1_000_000,
-		supportsImages: true,
+		supportsImages: false,
 		supportsPromptCache: true,
 		supportsReasoningEffort: ["disable", "high", "max"], // Updated 2026-08-01
 		preserveReasoning: true,
 		reasoningEffort: "high",
 		inputPrice: 0, // the inputs are priced as cache read/write, so `inputPrice` should be 0
-		// the peak/off-peak pricing policy has not been implemented yet - Updated 2026-08-01
-		outputPrice: 0.87, // $0.87 per million tokens - Updated 2026-08-01
-		cacheWritesPrice: 0.435, // $0.435 per million tokens (cache miss) - Updated 2026-08-01
-		cacheReadsPrice: 0.003625, // $0.003625 per million tokens (cache hit) - Updated 2026-08-01
-		description: `DeepSeek-V4-Pro is DeepSeek's strongest V4 model for reasoning, coding, long-context, and agentic workloads. It supports thinking and non-thinking modes, JSON output, tool calls, chat prefix completion (beta), and FIM completion (beta) in non-thinking mode.`,
+		// Static estimates use peak rates; off-peak rates are 50% lower. Effective 2026-08-16.
+		outputPrice: 3.96,
+		cacheWritesPrice: 1.32,
+		cacheReadsPrice: 0.044,
+		description: `DeepSeek-V4-Pro-0813 is DeepSeek's strongest V4 model for reasoning, coding, long-context, and agentic workloads. It supports thinking and non-thinking modes, JSON output, tool calls, chat prefix completion (beta), and FIM completion (beta) in non-thinking mode.`,
 	},
 } as const satisfies Record<string, ModelInfo>
 

packages/types/src/providers/fireworks.ts

@@ -16,6 +16,7 @@ export type FireworksModelId =
 	| "accounts/fireworks/models/deepseek-v3p1"
 	| "accounts/fireworks/models/deepseek-v3p2"
 	| "accounts/fireworks/models/deepseek-v4-pro"
+	| "accounts/fireworks/models/deepseek-v4-pro-0813"
 	| "accounts/fireworks/models/glm-4p5"
 	| "accounts/fireworks/models/glm-4p5-air"
 	| "accounts/fireworks/models/glm-4p6"
@@ -262,10 +263,23 @@ export const fireworksModels = {
 		supportsPromptCache: true,
 		inputPrice: 1.74,
 		outputPrice: 3.48,
-		cacheReadsPrice: 0.14,
+		cacheReadsPrice: 0.145,
 		description:
 			"DeepSeek V4 Pro is the latest iteration of the DeepSeek model family, with improved reasoning, code generation, and instruction following over the V3 series.",
 	},
+	"accounts/fireworks/models/deepseek-v4-pro-0813": {
+		displayName: "DeepSeek V4 Pro 0813",
+		maxTokens: 384_000,
+		contextWindow: 1_000_000,
+		supportsImages: false,
+		supportsPromptCache: true,
+		supportsMaxTokens: true,
+		inputPrice: 1.32,
+		outputPrice: 3.96,
+		cacheReadsPrice: 0.044,
+		description:
+			"DeepSeek V4 Pro 0813 is DeepSeek's production checkpoint for advanced reasoning, coding, and long-context agentic workloads.",
+	},
 	"accounts/fireworks/models/kimi-k2p7-code": {
 		maxTokens: 16384,
 		contextWindow: 262144,

packages/types/src/providers/opencode-go.ts

@@ -295,6 +295,7 @@ export const opencodeGoModels: Record<string, ModelInfo> = {
 
 	// --- DeepSeek ---
 	"deepseek-v4-pro": {
+		displayName: "DeepSeek V4 Pro 0813",
 		maxTokens: 384_000,
 		contextWindow: 1_000_000,
 		supportsImages: false,
@@ -308,11 +309,11 @@ export const opencodeGoModels: Record<string, ModelInfo> = {
 		supportsReasoningEffort: ["disable", "low", "medium", "high", "xhigh"],
 		preserveReasoning: true,
 		reasoningEffort: "high",
-		inputPrice: 1.74,
-		outputPrice: 3.48,
-		cacheReadsPrice: 0.0145,
+		inputPrice: 0.435,
+		outputPrice: 0.87,
+		cacheReadsPrice: 0.003625,
 		description:
-			"DeepSeek-V4-Pro is DeepSeek's strongest V4 model for reasoning, coding, long-context, and agentic workloads. Available via the Opencode Go plan.",
+			"DeepSeek-V4-Pro-0813 is DeepSeek's strongest V4 model for reasoning, coding, long-context, and agentic workloads. Available via the Opencode Go plan.",
 	},
 	"deepseek-v4-flash": {
 		maxTokens: 384_000,

src/api/providers/__tests__/deepseek.spec.ts

@@ -214,7 +214,7 @@ describe("DeepSeekHandler", () => {
 			expect(model.info).toBeDefined()
 			expect(model.info.maxTokens).toBe(384_000)
 			expect(model.info.contextWindow).toBe(1_000_000)
-			expect(model.info.supportsImages).toBe(true)
+			expect(model.info.supportsImages).toBe(false)
 			expect(model.info.supportsPromptCache).toBe(true) // Should be true now
 			expect((model.info as ModelInfo).preserveReasoning).toBe(true)
 		})
@@ -229,7 +229,7 @@ describe("DeepSeekHandler", () => {
 			expect(model.id).toBe("deepseek-v4-flash")
 			expect(model.info.maxTokens).toBe(384_000)
 			expect(model.info.contextWindow).toBe(1_000_000)
-			expect(model.info.supportsImages).toBe(true)
+			expect(model.info.supportsImages).toBe(false)
 			expect((model.info as ModelInfo).supportsReasoningEffort).toContain("max")
 		})
 
@@ -243,7 +243,7 @@ describe("DeepSeekHandler", () => {
 			expect(model.info).toBeDefined()
 			expect(model.info.maxTokens).toBe(384_000)
 			expect(model.info.contextWindow).toBe(1_000_000)
-			expect(model.info.supportsImages).toBe(true)
+			expect(model.info.supportsImages).toBe(false)
 			expect(model.info.supportsPromptCache).toBe(true)
 			expect((model.info as ModelInfo).preserveReasoning).toBe(true)
 			expect((model.info as ModelInfo).reasoningEffort).toBe("high")

src/api/providers/__tests__/fireworks.spec.ts

@@ -118,7 +118,14 @@ describe("FireworksHandler", () => {
 			contextWindow: 1048576,
 			inputPrice: 1.74,
 			outputPrice: 3.48,
-			cacheReadsPrice: 0.14,
+			cacheReadsPrice: 0.145,
+		},
+		{
+			modelId: "accounts/fireworks/models/deepseek-v4-pro-0813" as const,
+			contextWindow: 1_000_000,
+			inputPrice: 1.32,
+			outputPrice: 3.96,
+			cacheReadsPrice: 0.044,
 		},
 	])(
 		"should expose newly added model $modelId",