fix: update Deepseek configurations

Author: WHMHammer

packages/types/src/providers/deepseek.ts

@@ -14,56 +14,32 @@ export const deepSeekModels = {
 		contextWindow: 1_000_000,
 		supportsImages: true,
 		supportsPromptCache: true,
-		supportsReasoningEffort: ["disable", "low", "medium", "high", "xhigh"],
+		supportsReasoningEffort: ["low", "high", "max"], // Updated 2026-08-01
 		preserveReasoning: true,
 		reasoningEffort: "high",
-		inputPrice: 0.14, // $0.14 per million tokens (cache miss) - Updated Apr 29, 2026
-		outputPrice: 0.28, // $0.28 per million tokens - Updated Apr 29, 2026
-		cacheWritesPrice: 0.14, // $0.14 per million tokens (cache miss) - Updated Apr 29, 2026
-		cacheReadsPrice: 0.0028, // $0.0028 per million tokens (cache hit) - Updated Apr 29, 2026
+		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
 		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": {
 		maxTokens: 384_000,
 		contextWindow: 1_000_000,
 		supportsImages: true,
 		supportsPromptCache: true,
-		supportsReasoningEffort: ["disable", "low", "medium", "high", "xhigh"],
+		supportsReasoningEffort: ["high", "max"], // Updated 2026-08-01
 		preserveReasoning: true,
 		reasoningEffort: "high",
-		// TODO(deepseek): Re-check V4 Pro discounted prices after DeepSeek's 2026-05-31 discount end date.
-		inputPrice: 0.435, // $0.435 per million tokens (cache miss, discounted) - Updated Apr 29, 2026
-		outputPrice: 0.87, // $0.87 per million tokens (discounted) - Updated Apr 29, 2026
-		cacheWritesPrice: 0.435, // $0.435 per million tokens (cache miss, discounted) - Updated Apr 29, 2026
-		cacheReadsPrice: 0.003625, // $0.003625 per million tokens (cache hit, discounted) - Updated Apr 29, 2026
+		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.`,
 	},
-	// TODO(deepseek): Remove this compatibility alias after DeepSeek's 2026-07-24 retirement date.
-	"deepseek-chat": {
-		maxTokens: 8192, // 8K max output
-		contextWindow: 128_000,
-		supportsImages: false,
-		supportsPromptCache: true,
-		inputPrice: 0.28, // $0.28 per million tokens (cache miss) - Updated Dec 9, 2025
-		outputPrice: 0.42, // $0.42 per million tokens - Updated Dec 9, 2025
-		cacheWritesPrice: 0.28, // $0.28 per million tokens (cache miss) - Updated Dec 9, 2025
-		cacheReadsPrice: 0.028, // $0.028 per million tokens (cache hit) - Updated Dec 9, 2025
-		description: `Legacy compatibility alias for the non-thinking mode of deepseek-v4-flash. DeepSeek plans to deprecate this model name on 2026-07-24.`,
-	},
-	// TODO(deepseek): Remove this compatibility alias after DeepSeek's 2026-07-24 retirement date.
-	"deepseek-reasoner": {
-		maxTokens: 8192, // 8K max output
-		contextWindow: 128_000,
-		supportsImages: false,
-		supportsPromptCache: true,
-		preserveReasoning: true,
-		inputPrice: 0.28, // $0.28 per million tokens (cache miss) - Updated Dec 9, 2025
-		outputPrice: 0.42, // $0.42 per million tokens - Updated Dec 9, 2025
-		cacheWritesPrice: 0.28, // $0.28 per million tokens (cache miss) - Updated Dec 9, 2025
-		cacheReadsPrice: 0.028, // $0.028 per million tokens (cache hit) - Updated Dec 9, 2025
-		description: `Legacy compatibility alias for the thinking mode of deepseek-v4-flash. DeepSeek plans to deprecate this model name on 2026-07-24.`,
-	},
 } as const satisfies Record<string, ModelInfo>
 
 // https://api-docs.deepseek.com/quick_start/parameter_settings
-export const DEEP_SEEK_DEFAULT_TEMPERATURE = 0.3
+export const DEEP_SEEK_DEFAULT_TEMPERATURE = 0.0