feat(models): add Claude Haiku 4.5 dated IDs; remove undated alias

Author: daniel-lxs

packages/types/src/providers/anthropic.ts

@@ -139,6 +139,19 @@ export const anthropicModels = {
 		cacheWritesPrice: 0.3,
 		cacheReadsPrice: 0.03,
 	},
+	"claude-haiku-4-5-20251001": {
+		maxTokens: 64_000,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		inputPrice: 1.0,
+		outputPrice: 5.0,
+		cacheWritesPrice: 1.25,
+		cacheReadsPrice: 0.1,
+		supportsReasoningBudget: true,
+		description:
+			"Claude Haiku 4.5 delivers near-frontier intelligence at lightning speeds with extended thinking, vision, and multilingual support.",
+	},
 } as const satisfies Record<string, ModelInfo>
 
 export const ANTHROPIC_DEFAULT_MAX_TOKENS = 8192

packages/types/src/providers/bedrock.ts

@@ -169,6 +169,19 @@ export const bedrockModels = {
 		maxCachePoints: 4,
 		cachableFields: ["system", "messages", "tools"],
 	},
+	"anthropic.claude-haiku-4-5-20251001-v1:0": {
+		maxTokens: 8192,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		inputPrice: 1.0,
+		outputPrice: 5.0,
+		cacheWritesPrice: 1.25, // 5m cache writes
+		cacheReadsPrice: 0.1, // cache hits / refreshes
+		minTokensPerCachePoint: 2048,
+		maxCachePoints: 4,
+		cachableFields: ["system", "messages", "tools"],
+	},
 	"anthropic.claude-3-5-sonnet-20240620-v1:0": {
 		maxTokens: 8192,
 		contextWindow: 200_000,

packages/types/src/providers/vertex.ts

@@ -187,6 +187,17 @@ export const vertexModels = {
 		cacheReadsPrice: 0.3,
 		supportsReasoningBudget: true,
 	},
+	"claude-haiku-4-5@20251001": {
+		maxTokens: 8192,
+		contextWindow: 200_000,
+		supportsImages: true,
+		supportsPromptCache: true,
+		inputPrice: 1.0,
+		outputPrice: 5.0,
+		cacheWritesPrice: 1.25,
+		cacheReadsPrice: 0.1,
+		supportsReasoningBudget: true,
+	},
 	"claude-opus-4-1@20250805": {
 		maxTokens: 8192,
 		contextWindow: 200_000,

src/api/providers/anthropic.ts

@@ -62,6 +62,7 @@ export class AnthropicHandler extends BaseProvider implements SingleCompletionHa
 			case "claude-3-5-sonnet-20241022":
 			case "claude-3-5-haiku-20241022":
 			case "claude-3-opus-20240229":
+			case "claude-haiku-4-5-20251001":
 			case "claude-3-haiku-20240307": {
 				/**
 				 * The latest message will be the new user message, one before
@@ -122,6 +123,7 @@ export class AnthropicHandler extends BaseProvider implements SingleCompletionHa
 							case "claude-3-5-sonnet-20241022":
 							case "claude-3-5-haiku-20241022":
 							case "claude-3-opus-20240229":
+							case "claude-haiku-4-5-20251001":
 							case "claude-3-haiku-20240307":
 								betas.push("prompt-caching-2024-07-31")
 								return { headers: { "anthropic-beta": betas.join(",") } }