feat: implement Qwen provider with AI SDK

packages/types/src/provider-settings.ts

@@ -19,6 +19,7 @@ import {
 	openAiCodexModels,
 	openAiNativeModels,
 	qwenCodeModels,
+	alibabaModels,
 	sambaNovaModels,
 	vertexModels,
 	vscodeLlmModels,
@@ -135,6 +136,7 @@ export const providerNames = [
 	"openai-codex",
 	"openai-native",
 	"qwen-code",
+	"alibaba",
 	"roo",
 	"sambanova",
 	"vertex",
@@ -403,6 +405,11 @@ const qwenCodeSchema = apiModelIdProviderModelSchema.extend({
 	qwenCodeOauthPath: z.string().optional(),
 })
 
+const alibabaSchema = apiModelIdProviderModelSchema.extend({
+	alibabaApiKey: z.string().optional(),
+	alibabaBaseUrl: z.string().optional(),
+})
+
 const rooSchema = apiModelIdProviderModelSchema.extend({
 	// Can use cloud authentication or provide an API key (cli).
 	rooApiKey: z.string().optional(),
@@ -456,6 +463,7 @@ export const providerSettingsSchemaDiscriminated = z.discriminatedUnion("apiProv
 	featherlessSchema.merge(z.object({ apiProvider: z.literal("featherless") })),
 	ioIntelligenceSchema.merge(z.object({ apiProvider: z.literal("io-intelligence") })),
 	qwenCodeSchema.merge(z.object({ apiProvider: z.literal("qwen-code") })),
+	alibabaSchema.merge(z.object({ apiProvider: z.literal("alibaba") })),
 	rooSchema.merge(z.object({ apiProvider: z.literal("roo") })),
 	vercelAiGatewaySchema.merge(z.object({ apiProvider: z.literal("vercel-ai-gateway") })),
 	defaultSchema,
@@ -497,6 +505,7 @@ export const providerSettingsSchema = z.object({
 	...featherlessSchema.shape,
 	...ioIntelligenceSchema.shape,
 	...qwenCodeSchema.shape,
+	...alibabaSchema.shape,
 	...rooSchema.shape,
 	...vercelAiGatewaySchema.shape,
 	...codebaseIndexProviderSchema.shape,
@@ -568,6 +577,7 @@ export const modelIdKeysByProvider: Record<TypicalProvider, ModelIdKey> = {
 	deepinfra: "deepInfraModelId",
 	doubao: "apiModelId",
 	"qwen-code": "apiModelId",
+	alibaba: "apiModelId",
 	unbound: "unboundModelId",
 	requesty: "requestyModelId",
 	xai: "apiModelId",
@@ -691,6 +701,7 @@ export const MODELS_BY_PROVIDER: Record<
 		models: Object.keys(openAiNativeModels),
 	},
 	"qwen-code": { id: "qwen-code", label: "Qwen Code", models: Object.keys(qwenCodeModels) },
+	alibaba: { id: "alibaba", label: "Alibaba", models: Object.keys(alibabaModels) },
 	roo: { id: "roo", label: "Roo Code Router", models: [] },
 	sambanova: {
 		id: "sambanova",

packages/types/src/providers/alibaba.ts

@@ -0,0 +1,170 @@
+import type { ModelInfo } from "../model.js"
+
+export type AlibabaModelId =
+	| "qwen-max"
+	| "qwen-max-latest"
+	| "qwen-plus"
+	| "qwen-plus-latest"
+	| "qwen-turbo"
+	| "qwen-turbo-latest"
+	| "qwen2.5-72b-instruct"
+	| "qwen2.5-32b-instruct"
+	| "qwen2.5-14b-instruct"
+	| "qwen2.5-7b-instruct"
+	| "qwen2.5-14b-instruct-1m"
+	| "qwen3-235b-a22b"
+	| "qwen3-max"
+	| "qwen-vl-max"
+	| "qwen-vl-plus"
+
+export const alibabaDefaultModelId: AlibabaModelId = "qwen-plus"
+
+export const alibabaModels = {
+	"qwen-max": {
+		maxTokens: 8_192,
+		contextWindow: 32_768,
+		supportsImages: false,
+		supportsPromptCache: true,
+		supportsReasoningBudget: true,
+		inputPrice: 2.0,
+		outputPrice: 6.0,
+		description: "Qwen Max - Most capable model, best for complex reasoning and generation tasks",
+	},
+	"qwen-max-latest": {
+		maxTokens: 8_192,
+		contextWindow: 32_768,
+		supportsImages: false,
+		supportsPromptCache: true,
+		supportsReasoningBudget: true,
+		inputPrice: 2.0,
+		outputPrice: 6.0,
+		description: "Qwen Max Latest - Latest version of Qwen Max with most recent improvements",
+	},
+	"qwen-plus": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		inputPrice: 0.4,
+		outputPrice: 1.2,
+		description: "Qwen Plus - Balanced performance and cost for general tasks",
+	},
+	"qwen-plus-latest": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		inputPrice: 0.4,
+		outputPrice: 1.2,
+		description: "Qwen Plus Latest - Latest version of Qwen Plus",
+	},
+	"qwen-turbo": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		inputPrice: 0.06,
+		outputPrice: 0.24,
+		description: "Qwen Turbo - Fastest and most cost-effective for simple tasks",
+	},
+	"qwen-turbo-latest": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		inputPrice: 0.06,
+		outputPrice: 0.24,
+		description: "Qwen Turbo Latest - Latest version of Qwen Turbo",
+	},
+	"qwen2.5-72b-instruct": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		inputPrice: 0.8,
+		outputPrice: 2.4,
+		description: "Qwen 2.5 72B Instruct - Large open model with strong performance",
+	},
+	"qwen2.5-32b-instruct": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		inputPrice: 0.4,
+		outputPrice: 1.2,
+		description: "Qwen 2.5 32B Instruct - Medium-sized model with good balance",
+	},
+	"qwen2.5-14b-instruct": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		inputPrice: 0.28,
+		outputPrice: 0.84,
+		description: "Qwen 2.5 14B Instruct - Efficient model for various tasks",
+	},
+	"qwen2.5-7b-instruct": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		inputPrice: 0.14,
+		outputPrice: 0.42,
+		description: "Qwen 2.5 7B Instruct - Lightweight model for fast inference",
+	},
+	"qwen2.5-14b-instruct-1m": {
+		maxTokens: 8_192,
+		contextWindow: 1_000_000,
+		supportsImages: false,
+		supportsPromptCache: true,
+		inputPrice: 0.28,
+		outputPrice: 0.84,
+		description: "Qwen 2.5 14B Instruct 1M - Extended 1M context window variant",
+	},
+	"qwen3-235b-a22b": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		supportsReasoningBudget: true,
+		inputPrice: 0.8,
+		outputPrice: 2.4,
+		description: "Qwen 3 235B A22B - Largest Qwen 3 model with 235B parameters in MoE architecture",
+	},
+	"qwen3-max": {
+		maxTokens: 8_192,
+		contextWindow: 131_072,
+		supportsImages: false,
+		supportsPromptCache: true,
+		supportsReasoningBudget: true,
+		inputPrice: 1.6,
+		outputPrice: 4.8,
+		description: "Qwen 3 Max - Most capable Qwen 3 model with thinking mode support",
+	},
+	"qwen-vl-max": {
+		maxTokens: 8_192,
+		contextWindow: 32_768,
+		supportsImages: true,
+		supportsPromptCache: true,
+		inputPrice: 3.0,
+		outputPrice: 9.0,
+		description: "Qwen VL Max - Best vision model, supports images and video understanding",
+	},
+	"qwen-vl-plus": {
+		maxTokens: 8_192,
+		contextWindow: 32_768,
+		supportsImages: true,
+		supportsPromptCache: true,
+		inputPrice: 1.2,
+		outputPrice: 3.6,
+		description: "Qwen VL Plus - Balanced vision model for image understanding tasks",
+	},
+} as const satisfies Record<AlibabaModelId, ModelInfo>
+
+export const alibabaDefaultModelInfo: ModelInfo = alibabaModels[alibabaDefaultModelId]
+
+// International endpoint (default)
+export const ALIBABA_API_BASE_URL = "https://dashscope-intl.aliyuncs.com/compatible-mode/v1"
+
+// China domestic endpoint
+export const ALIBABA_API_BASE_URL_CHINA = "https://dashscope.aliyuncs.com/compatible-mode/v1"

packages/types/src/providers/index.ts

@@ -21,6 +21,7 @@ export * from "./openai-codex.js"
 export * from "./openai-codex-rate-limits.js"
 export * from "./openrouter.js"
 export * from "./qwen-code.js"
+export * from "./alibaba.js"
 export * from "./requesty.js"
 export * from "./roo.js"
 export * from "./sambanova.js"
@@ -51,6 +52,7 @@ import { moonshotDefaultModelId } from "./moonshot.js"
 import { openAiCodexDefaultModelId } from "./openai-codex.js"
 import { openRouterDefaultModelId } from "./openrouter.js"
 import { qwenCodeDefaultModelId } from "./qwen-code.js"
+import { alibabaDefaultModelId } from "./alibaba.js"
 import { requestyDefaultModelId } from "./requesty.js"
 import { rooDefaultModelId } from "./roo.js"
 import { sambaNovaDefaultModelId } from "./sambanova.js"
@@ -140,6 +142,8 @@ export function getProviderDefaultModelId(
 			return rooDefaultModelId
 		case "qwen-code":
 			return qwenCodeDefaultModelId
+		case "alibaba":
+			return alibabaDefaultModelId
 		case "vercel-ai-gateway":
 			return vercelAiGatewayDefaultModelId
 		case "anthropic":

src/api/index.ts

@@ -30,6 +30,7 @@ import {
 	ChutesHandler,
 	LiteLLMHandler,
 	QwenCodeHandler,
+	AlibabaHandler,
 	SambaNovaHandler,
 	IOIntelligenceHandler,
 	DoubaoHandler,
@@ -151,6 +152,8 @@ export function buildApiHandler(configuration: ProviderSettings): ApiHandler {
 			return new DoubaoHandler(options)
 		case "qwen-code":
 			return new QwenCodeHandler(options)
+		case "alibaba":
+			return new AlibabaHandler(options)
 		case "moonshot":
 			return new MoonshotHandler(options)
 		case "vscode-lm":