feat: add GLM-5 model support to Z.ai provider (#11440)

Author: roomote[bot]

packages/types/src/providers/zai.ts

@@ -120,6 +120,21 @@ export const internationalZAiModels = {
 		description:
 			"GLM-4.7 is Zhipu's latest model with built-in thinking capabilities enabled by default. It provides enhanced reasoning for complex tasks while maintaining fast response times.",
 	},
+	"glm-5": {
+		maxTokens: 16_384,
+		contextWindow: 202_752,
+		supportsImages: false,
+		supportsPromptCache: true,
+		supportsReasoningEffort: ["disable", "medium"],
+		reasoningEffort: "medium",
+		preserveReasoning: true,
+		inputPrice: 0.6,
+		outputPrice: 2.2,
+		cacheWritesPrice: 0,
+		cacheReadsPrice: 0.11,
+		description:
+			"GLM-5 is Zhipu's next-generation model with a 202k context window and built-in thinking capabilities. It delivers state-of-the-art reasoning, coding, and agentic performance.",
+	},
 	"glm-4.7-flash": {
 		maxTokens: 16_384,
 		contextWindow: 200_000,
@@ -281,6 +296,21 @@ export const mainlandZAiModels = {
 		description:
 			"GLM-4.7 is Zhipu's latest model with built-in thinking capabilities enabled by default. It provides enhanced reasoning for complex tasks while maintaining fast response times.",
 	},
+	"glm-5": {
+		maxTokens: 16_384,
+		contextWindow: 202_752,
+		supportsImages: false,
+		supportsPromptCache: true,
+		supportsReasoningEffort: ["disable", "medium"],
+		reasoningEffort: "medium",
+		preserveReasoning: true,
+		inputPrice: 0.29,
+		outputPrice: 1.14,
+		cacheWritesPrice: 0,
+		cacheReadsPrice: 0.057,
+		description:
+			"GLM-5 is Zhipu's next-generation model with a 202k context window and built-in thinking capabilities. It delivers state-of-the-art reasoning, coding, and agentic performance.",
+	},
 	"glm-4.7-flash": {
 		maxTokens: 16_384,
 		contextWindow: 204_800,

src/api/providers/zai.ts

@@ -52,8 +52,8 @@ export class ZAiHandler extends BaseOpenAiCompatibleProvider<string> {
 	) {
 		const { id: modelId, info } = this.getModel()
 
-		// Check if this is a GLM-4.7 model with thinking support
-		const isThinkingModel = modelId === "glm-4.7" && Array.isArray(info.supportsReasoningEffort)
+		// Check if this is a model with thinking support (e.g. GLM-4.7, GLM-5)
+		const isThinkingModel = Array.isArray(info.supportsReasoningEffort)
 
 		if (isThinkingModel) {
 			// For GLM-4.7, thinking is ON by default in the API.