diff --git a/packages/ai/src/providers/opencode.models.ts b/packages/ai/src/providers/opencode.models.ts
index 48740316d..900a6bbea 100644
--- a/packages/ai/src/providers/opencode.models.ts
+++ b/packages/ai/src/providers/opencode.models.ts
@@ -672,6 +672,24 @@ export const OPENCODE_MODELS = {
 		contextWindow: 1050000,
 		maxTokens: 128000,
 	} satisfies Model<"openai-responses">,
+	"grok-4.5": {
+		id: "grok-4.5",
+		name: "Grok 4.5",
+		api: "openai-completions",
+		provider: "opencode",
+		baseUrl: "https://opencode.ai/zen/v1",
+		compat: {"supportsStore":false,"supportsDeveloperRole":false,"maxTokensField":"max_tokens"},
+		reasoning: true,
+		input: ["text", "image"],
+		cost: {
+			input: 2,
+			output: 6,
+			cacheRead: 0.5,
+			cacheWrite: 0,
+		},
+		contextWindow: 500000,
+		maxTokens: 500000,
+	} satisfies Model<"openai-completions">,
 	"grok-build-0.1": {
 		id: "grok-build-0.1",
 		name: "Grok Build 0.1",
diff --git a/packages/ai/src/providers/openrouter.models.ts b/packages/ai/src/providers/openrouter.models.ts
index d2a377d8a..5af57bc88 100644
--- a/packages/ai/src/providers/openrouter.models.ts
+++ b/packages/ai/src/providers/openrouter.models.ts
@@ -1894,7 +1894,7 @@ export const OPENROUTER_MODELS = {
 		reasoning: true,
 		input: ["text", "image"],
 		cost: {
-			input: 0.66,
+			input: 0.65,
 			output: 3.41,
 			cacheRead: 0.14,
 			cacheWrite: 0,
@@ -4246,13 +4246,13 @@ export const OPENROUTER_MODELS = {
 		reasoning: true,
 		input: ["text"],
 		cost: {
-			input: 0.2,
-			output: 0.8,
-			cacheRead: 0.5,
+			input: 0.14,
+			output: 0.58,
+			cacheRead: 0.035,
 			cacheWrite: 0,
 		},
 		contextWindow: 262144,
-		maxTokens: 131072,
+		maxTokens: 4096,
 	} satisfies Model<"openai-completions">,
 	"tencent/hy3-preview": {
 		id: "tencent/hy3-preview",
@@ -4362,6 +4362,24 @@ export const OPENROUTER_MODELS = {
 		contextWindow: 1000000,
 		maxTokens: 4096,
 	} satisfies Model<"openai-completions">,
+	"x-ai/grok-4.5": {
+		id: "x-ai/grok-4.5",
+		name: "xAI: Grok 4.5",
+		api: "openai-completions",
+		provider: "openrouter",
+		baseUrl: "https://openrouter.ai/api/v1",
+		compat: {"supportsDeveloperRole":false,"thinkingFormat":"openrouter"},
+		reasoning: true,
+		input: ["text", "image"],
+		cost: {
+			input: 2,
+			output: 6,
+			cacheRead: 0.5,
+			cacheWrite: 0,
+		},
+		contextWindow: 500000,
+		maxTokens: 4096,
+	} satisfies Model<"openai-completions">,
 	"x-ai/grok-build-0.1": {
 		id: "x-ai/grok-build-0.1",
 		name: "xAI: Grok Build 0.1",
@@ -4607,13 +4625,13 @@ export const OPENROUTER_MODELS = {
 		thinkingLevelMap: {"xhigh":"xhigh"},
 		input: ["text"],
 		cost: {
-			input: 0.93,
-			output: 3,
+			input: 0.9,
+			output: 3.08,
 			cacheRead: 0.18,
 			cacheWrite: 0,
 		},
 		contextWindow: 1048576,
-		maxTokens: 32768,
+		maxTokens: 1048576,
 	} satisfies Model<"openai-completions">,
 	"z-ai/glm-5v-turbo": {
 		id: "z-ai/glm-5v-turbo",
@@ -4751,7 +4769,7 @@ export const OPENROUTER_MODELS = {
 		reasoning: true,
 		input: ["text", "image"],
 		cost: {
-			input: 0.66,
+			input: 0.65,
 			output: 3.41,
 			cacheRead: 0.14,
 			cacheWrite: 0,
@@ -4795,4 +4813,22 @@ export const OPENROUTER_MODELS = {
 		contextWindow: 400000,
 		maxTokens: 128000,
 	} satisfies Model<"openai-completions">,
+	"~x-ai/grok-latest": {
+		id: "~x-ai/grok-latest",
+		name: "xAI: Grok Latest",
+		api: "openai-completions",
+		provider: "openrouter",
+		baseUrl: "https://openrouter.ai/api/v1",
+		compat: {"supportsDeveloperRole":false,"thinkingFormat":"openrouter"},
+		reasoning: true,
+		input: ["text", "image"],
+		cost: {
+			input: 2,
+			output: 6,
+			cacheRead: 0.5,
+			cacheWrite: 0,
+		},
+		contextWindow: 500000,
+		maxTokens: 4096,
+	} satisfies Model<"openai-completions">,
 } as const;
diff --git a/packages/ai/src/providers/vercel-ai-gateway.models.ts b/packages/ai/src/providers/vercel-ai-gateway.models.ts
index 53f48bb3b..b376bca89 100644
--- a/packages/ai/src/providers/vercel-ai-gateway.models.ts
+++ b/packages/ai/src/providers/vercel-ai-gateway.models.ts
@@ -2865,6 +2865,23 @@ export const VERCEL_AI_GATEWAY_MODELS = {
 		contextWindow: 1000000,
 		maxTokens: 1000000,
 	} satisfies Model<"anthropic-messages">,
+	"xai/grok-4.5": {
+		id: "xai/grok-4.5",
+		name: "Grok 4.5",
+		api: "anthropic-messages",
+		provider: "vercel-ai-gateway",
+		baseUrl: "https://ai-gateway.vercel.sh",
+		reasoning: true,
+		input: ["text", "image"],
+		cost: {
+			input: 2,
+			output: 6,
+			cacheRead: 0.5,
+			cacheWrite: 0,
+		},
+		contextWindow: 500000,
+		maxTokens: 500000,
+	} satisfies Model<"anthropic-messages">,
 	"xai/grok-build-0.1": {
 		id: "xai/grok-build-0.1",
 		name: "Grok Build 0.1",
diff --git a/packages/ai/src/providers/xai.models.ts b/packages/ai/src/providers/xai.models.ts
index 5ebb3e552..575801028 100644
--- a/packages/ai/src/providers/xai.models.ts
+++ b/packages/ai/src/providers/xai.models.ts
@@ -94,6 +94,24 @@ export const XAI_MODELS = {
 		contextWindow: 1000000,
 		maxTokens: 30000,
 	} satisfies Model<"openai-completions">,
+	"grok-4.5": {
+		id: "grok-4.5",
+		name: "Grok 4.5",
+		api: "openai-completions",
+		provider: "xai",
+		baseUrl: "https://api.x.ai/v1",
+		compat: {"supportsStore":false,"supportsDeveloperRole":false,"supportsReasoningEffort":false},
+		reasoning: true,
+		input: ["text", "image"],
+		cost: {
+			input: 2,
+			output: 6,
+			cacheRead: 0.5,
+			cacheWrite: 0,
+		},
+		contextWindow: 500000,
+		maxTokens: 500000,
+	} satisfies Model<"openai-completions">,
 	"grok-build-0.1": {
 		id: "grok-build-0.1",
 		name: "Grok Build 0.1",