fix(ai): correct Bedrock Claude 4.6 context window to 200k

Bedrock Claude Opus 4.6 and Sonnet 4.6 models have 200k context
window, not 1M. Removed incorrect overrides that were forcing these
models to 1M. The native Anthropic API models correctly remain at 1M.

closes #2305

packages/ai/scripts/generate-models.ts

@@ -665,10 +665,6 @@ async function generateModels() {
 		if (candidate.provider === "amazon-bedrock" && candidate.id.includes("anthropic.claude-opus-4-6-v1")) {
 			candidate.cost.cacheRead = 0.5;
 			candidate.cost.cacheWrite = 6.25;
-			candidate.contextWindow = 1000000;
-		}
-		if (candidate.provider === "amazon-bedrock" && candidate.id.includes("anthropic.claude-sonnet-4-6")) {
-			candidate.contextWindow = 1000000;
 		}
 		if (
 			(candidate.provider === "anthropic" ||
@@ -682,12 +678,7 @@ async function generateModels() {
 		) {
 			candidate.contextWindow = 1000000;
 		}
-		if (
+
-			candidate.provider === "google-antigravity" &&
-			(candidate.id === "claude-opus-4-6-thinking" || candidate.id === "claude-sonnet-4-6")
-		) {
-			candidate.contextWindow = 1000000;
-		}
 		// OpenCode variants list Claude Sonnet 4/4.5 with 1M context, actual limit is 200K
 		if (
 			(candidate.provider === "opencode" || candidate.provider === "opencode-go") &&
@@ -734,7 +725,7 @@ async function generateModels() {
 				cacheRead: 0.5,
 				cacheWrite: 6.25,
 			},
-			contextWindow: 1000000,
+			contextWindow: 200000,
 			maxTokens: 128000,
 		});
 	}

packages/ai/src/models.generated.ts

@@ -257,7 +257,7 @@ export const MODELS = {
 				cacheRead: 0.5,
 				cacheWrite: 6.25,
 			},
-			contextWindow: 1000000,
+			contextWindow: 200000,
 			maxTokens: 128000,
 		} satisfies Model<"bedrock-converse-stream">,
 		"anthropic.claude-sonnet-4-20250514-v1:0": {
@@ -308,7 +308,7 @@ export const MODELS = {
 				cacheRead: 0.3,
 				cacheWrite: 3.75,
 			},
-			contextWindow: 1000000,
+			contextWindow: 200000,
 			maxTokens: 64000,
 		} satisfies Model<"bedrock-converse-stream">,
 		"deepseek.r1-v1:0": {
@@ -410,7 +410,7 @@ export const MODELS = {
 				cacheRead: 0.5,
 				cacheWrite: 6.25,
 			},
-			contextWindow: 1000000,
+			contextWindow: 200000,
 			maxTokens: 128000,
 		} satisfies Model<"bedrock-converse-stream">,
 		"eu.anthropic.claude-sonnet-4-20250514-v1:0": {
@@ -461,7 +461,7 @@ export const MODELS = {
 				cacheRead: 0.3,
 				cacheWrite: 3.75,
 			},
-			contextWindow: 1000000,
+			contextWindow: 200000,
 			maxTokens: 64000,
 		} satisfies Model<"bedrock-converse-stream">,
 		"global.anthropic.claude-haiku-4-5-20251001-v1:0": {
@@ -512,7 +512,7 @@ export const MODELS = {
 				cacheRead: 0.5,
 				cacheWrite: 6.25,
 			},
-			contextWindow: 1000000,
+			contextWindow: 200000,
 			maxTokens: 128000,
 		} satisfies Model<"bedrock-converse-stream">,
 		"global.anthropic.claude-sonnet-4-20250514-v1:0": {
@@ -563,7 +563,7 @@ export const MODELS = {
 				cacheRead: 0.3,
 				cacheWrite: 3.75,
 			},
-			contextWindow: 1000000,
+			contextWindow: 200000,
 			maxTokens: 64000,
 		} satisfies Model<"bedrock-converse-stream">,
 		"google.gemma-3-27b-it": {
@@ -1294,7 +1294,7 @@ export const MODELS = {
 				cacheRead: 0.5,
 				cacheWrite: 6.25,
 			},
-			contextWindow: 1000000,
+			contextWindow: 200000,
 			maxTokens: 128000,
 		} satisfies Model<"bedrock-converse-stream">,
 		"us.anthropic.claude-sonnet-4-20250514-v1:0": {
@@ -1345,7 +1345,7 @@ export const MODELS = {
 				cacheRead: 0.3,
 				cacheWrite: 3.75,
 			},
-			contextWindow: 1000000,
+			contextWindow: 200000,
 			maxTokens: 64000,
 		} satisfies Model<"bedrock-converse-stream">,
 		"writer.palmyra-x4-v1:0": {
@@ -2304,6 +2304,40 @@ export const MODELS = {
 			contextWindow: 272000,
 			maxTokens: 128000,
 		} satisfies Model<"azure-openai-responses">,
+		"gpt-5.4-mini": {
+			id: "gpt-5.4-mini",
+			name: "GPT-5.4 mini",
+			api: "azure-openai-responses",
+			provider: "azure-openai-responses",
+			baseUrl: "",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 0.75,
+				output: 4.5,
+				cacheRead: 0.075,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		} satisfies Model<"azure-openai-responses">,
+		"gpt-5.4-nano": {
+			id: "gpt-5.4-nano",
+			name: "GPT-5.4 nano",
+			api: "azure-openai-responses",
+			provider: "azure-openai-responses",
+			baseUrl: "",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 0.2,
+				output: 1.25,
+				cacheRead: 0.02,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		} satisfies Model<"azure-openai-responses">,
 		"gpt-5.4-pro": {
 			id: "gpt-5.4-pro",
 			name: "GPT-5.4 Pro",
@@ -5506,6 +5540,40 @@ export const MODELS = {
 			contextWindow: 272000,
 			maxTokens: 128000,
 		} satisfies Model<"openai-responses">,
+		"gpt-5.4-mini": {
+			id: "gpt-5.4-mini",
+			name: "GPT-5.4 mini",
+			api: "openai-responses",
+			provider: "openai",
+			baseUrl: "https://api.openai.com/v1",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 0.75,
+				output: 4.5,
+				cacheRead: 0.075,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		} satisfies Model<"openai-responses">,
+		"gpt-5.4-nano": {
+			id: "gpt-5.4-nano",
+			name: "GPT-5.4 nano",
+			api: "openai-responses",
+			provider: "openai",
+			baseUrl: "https://api.openai.com/v1",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 0.2,
+				output: 1.25,
+				cacheRead: 0.02,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		} satisfies Model<"openai-responses">,
 		"gpt-5.4-pro": {
 			id: "gpt-5.4-pro",
 			name: "GPT-5.4 Pro",
@@ -7036,13 +7104,13 @@ export const MODELS = {
 			reasoning: true,
 			input: ["text"],
 			cost: {
-				input: 0.26,
+				input: 0.255,
-				output: 0.38,
+				output: 0.39999999999999997,
-				cacheRead: 0.13,
+				cacheRead: 0,
 				cacheWrite: 0,
 			},
 			contextWindow: 163840,
-			maxTokens: 4096,
+			maxTokens: 163840,
 		} satisfies Model<"openai-completions">,
 		"deepseek/deepseek-v3.2-exp": {
 			id: "deepseek/deepseek-v3.2-exp",
@@ -7633,7 +7701,7 @@ export const MODELS = {
 			cost: {
 				input: 0.3,
 				output: 0.8999999999999999,
-				cacheRead: 0,
+				cacheRead: 0.03,
 				cacheWrite: 0,
 			},
 			contextWindow: 256000,
@@ -7650,7 +7718,7 @@ export const MODELS = {
 			cost: {
 				input: 0.39999999999999997,
 				output: 2,
-				cacheRead: 0,
+				cacheRead: 0.04,
 				cacheWrite: 0,
 			},
 			contextWindow: 262144,
@@ -7667,7 +7735,7 @@ export const MODELS = {
 			cost: {
 				input: 0.39999999999999997,
 				output: 2,
-				cacheRead: 0,
+				cacheRead: 0.04,
 				cacheWrite: 0,
 			},
 			contextWindow: 131072,
@@ -7684,7 +7752,7 @@ export const MODELS = {
 			cost: {
 				input: 0.09999999999999999,
 				output: 0.3,
-				cacheRead: 0,
+				cacheRead: 0.01,
 				cacheWrite: 0,
 			},
 			contextWindow: 131072,
@@ -7701,7 +7769,7 @@ export const MODELS = {
 			cost: {
 				input: 0.19999999999999998,
 				output: 0.19999999999999998,
-				cacheRead: 0,
+				cacheRead: 0.02,
 				cacheWrite: 0,
 			},
 			contextWindow: 262144,
@@ -7718,7 +7786,7 @@ export const MODELS = {
 			cost: {
 				input: 0.09999999999999999,
 				output: 0.09999999999999999,
-				cacheRead: 0,
+				cacheRead: 0.01,
 				cacheWrite: 0,
 			},
 			contextWindow: 131072,
@@ -7735,7 +7803,7 @@ export const MODELS = {
 			cost: {
 				input: 0.15,
 				output: 0.15,
-				cacheRead: 0,
+				cacheRead: 0.015,
 				cacheWrite: 0,
 			},
 			contextWindow: 262144,
@@ -7752,7 +7820,7 @@ export const MODELS = {
 			cost: {
 				input: 2,
 				output: 6,
-				cacheRead: 0,
+				cacheRead: 0.19999999999999998,
 				cacheWrite: 0,
 			},
 			contextWindow: 128000,
@@ -7769,7 +7837,7 @@ export const MODELS = {
 			cost: {
 				input: 2,
 				output: 6,
-				cacheRead: 0,
+				cacheRead: 0.19999999999999998,
 				cacheWrite: 0,
 			},
 			contextWindow: 131072,
@@ -7786,7 +7854,7 @@ export const MODELS = {
 			cost: {
 				input: 2,
 				output: 6,
-				cacheRead: 0,
+				cacheRead: 0.19999999999999998,
 				cacheWrite: 0,
 			},
 			contextWindow: 131072,
@@ -7803,7 +7871,7 @@ export const MODELS = {
 			cost: {
 				input: 0.5,
 				output: 1.5,
-				cacheRead: 0,
+				cacheRead: 0.049999999999999996,
 				cacheWrite: 0,
 			},
 			contextWindow: 262144,
@@ -7820,7 +7888,7 @@ export const MODELS = {
 			cost: {
 				input: 0.39999999999999997,
 				output: 2,
-				cacheRead: 0,
+				cacheRead: 0.04,
 				cacheWrite: 0,
 			},
 			contextWindow: 131072,
@@ -7837,7 +7905,7 @@ export const MODELS = {
 			cost: {
 				input: 0.39999999999999997,
 				output: 2,
-				cacheRead: 0,
+				cacheRead: 0.04,
 				cacheWrite: 0,
 			},
 			contextWindow: 131072,
@@ -7871,7 +7939,7 @@ export const MODELS = {
 			cost: {
 				input: 0.19999999999999998,
 				output: 0.6,
-				cacheRead: 0,
+				cacheRead: 0.02,
 				cacheWrite: 0,
 			},
 			contextWindow: 32768,
@@ -7905,7 +7973,7 @@ export const MODELS = {
 			cost: {
 				input: 0.15,
 				output: 0.6,
-				cacheRead: 0,
+				cacheRead: 0.015,
 				cacheWrite: 0,
 			},
 			contextWindow: 262144,
@@ -7956,7 +8024,7 @@ export const MODELS = {
 			cost: {
 				input: 0.09999999999999999,
 				output: 0.3,
-				cacheRead: 0,
+				cacheRead: 0.01,
 				cacheWrite: 0,
 			},
 			contextWindow: 32768,
@@ -7973,7 +8041,7 @@ export const MODELS = {
 			cost: {
 				input: 2,
 				output: 6,
-				cacheRead: 0,
+				cacheRead: 0.19999999999999998,
 				cacheWrite: 0,
 			},
 			contextWindow: 65536,
@@ -8007,7 +8075,7 @@ export const MODELS = {
 			cost: {
 				input: 2,
 				output: 6,
-				cacheRead: 0,
+				cacheRead: 0.19999999999999998,
 				cacheWrite: 0,
 			},
 			contextWindow: 131072,
@@ -8024,7 +8092,7 @@ export const MODELS = {
 			cost: {
 				input: 0.09999999999999999,
 				output: 0.3,
-				cacheRead: 0,
+				cacheRead: 0.01,
 				cacheWrite: 0,
 			},
 			contextWindow: 32000,
@@ -10509,7 +10577,7 @@ export const MODELS = {
 				cacheRead: 0.119,
 				cacheWrite: 0,
 			},
-			contextWindow: 202752,
+			contextWindow: 80000,
 			maxTokens: 131072,
 		} satisfies Model<"openai-completions">,
 		"z-ai/glm-5-turbo": {
@@ -12299,6 +12367,40 @@ export const MODELS = {
 			contextWindow: 1050000,
 			maxTokens: 128000,
 		} satisfies Model<"anthropic-messages">,
+		"openai/gpt-5.4-mini": {
+			id: "openai/gpt-5.4-mini",
+			name: "GPT 5.4 Mini",
+			api: "anthropic-messages",
+			provider: "vercel-ai-gateway",
+			baseUrl: "https://ai-gateway.vercel.sh",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 0.75,
+				output: 4.5,
+				cacheRead: 0.075,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		} satisfies Model<"anthropic-messages">,
+		"openai/gpt-5.4-nano": {
+			id: "openai/gpt-5.4-nano",
+			name: "GPT 5.4 Nano",
+			api: "anthropic-messages",
+			provider: "vercel-ai-gateway",
+			baseUrl: "https://ai-gateway.vercel.sh",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 0.19999999999999998,
+				output: 1.25,
+				cacheRead: 0.02,
+				cacheWrite: 0,
+			},
+			contextWindow: 400000,
+			maxTokens: 128000,
+		} satisfies Model<"anthropic-messages">,
 		"openai/gpt-5.4-pro": {
 			id: "openai/gpt-5.4-pro",
 			name: "GPT 5.4 Pro",