feat(ai): add Qwen Token Plan as built-in provider

packages/ai/README.md

@@ -434,6 +434,8 @@ Built-in providers resolve these env vars (Node.js; in browsers pass `apiKey` ex
 | Hugging Face | `HF_TOKEN` |
 | OpenCode Zen / OpenCode Go | `OPENCODE_API_KEY` |
 | Kimi For Coding | `KIMI_API_KEY` |
+| Qwen Token Plan | `QWEN_TOKEN_PLAN_API_KEY` |
+| Qwen Token Plan (China) | `QWEN_TOKEN_PLAN_CN_API_KEY` |
 | Xiaomi MiMo (API billing) | `XIAOMI_API_KEY` |
 | Xiaomi MiMo Token Plan (China) | `XIAOMI_TOKEN_PLAN_CN_API_KEY` |
 | Xiaomi MiMo Token Plan (Amsterdam) | `XIAOMI_TOKEN_PLAN_AMS_API_KEY` |

packages/ai/scripts/generate-models.ts

@@ -1825,6 +1825,57 @@ async function loadModelsDevData(): Promise<Model<any>[]> {
 			}
 		}
 
+		// Process Alibaba Cloud Model Studio Token Plan models
+		// Two regions (international / cn) with identical catalogs, separate
+		// endpoints and API keys (sk-sp- prefix). models.dev keys are
+		// "alibaba-token-plan[-cn]"; pi exposes them as "qwen-token-plan[-cn]".
+		const qwenTokenPlanCompat: OpenAICompletionsCompat = {
+			thinkingFormat: "qwen",
+			supportsDeveloperRole: false,
+			supportsStore: false,
+		};
+		const qwenTokenPlanVariants = [
+			{
+				source: "alibaba-token-plan",
+				provider: "qwen-token-plan",
+				baseUrl: "https://token-plan.ap-southeast-1.maas.aliyuncs.com/compatible-mode/v1",
+			},
+			{
+				source: "alibaba-token-plan-cn",
+				provider: "qwen-token-plan-cn",
+				baseUrl: "https://token-plan.cn-beijing.maas.aliyuncs.com/compatible-mode/v1",
+			},
+		] as const;
+
+		for (const { source, provider, baseUrl } of qwenTokenPlanVariants) {
+			const providerModels = data[source]?.models;
+			if (!providerModels) continue;
+
+			for (const [modelId, model] of Object.entries(providerModels)) {
+				const m = model as ModelsDevModel;
+				if (m.tool_call !== true) continue;
+
+				models.push({
+					id: modelId,
+					name: m.name || modelId,
+					api: "openai-completions",
+					provider,
+					baseUrl,
+					compat: qwenTokenPlanCompat,
+					reasoning: m.reasoning === true,
+					input: m.modalities?.input?.includes("image") ? ["text", "image"] : ["text"],
+					cost: {
+						input: m.cost?.input || 0,
+						output: m.cost?.output || 0,
+						cacheRead: m.cost?.cache_read || 0,
+						cacheWrite: m.cost?.cache_write || 0,
+					},
+					contextWindow: m.limit?.context || 4096,
+					maxTokens: m.limit?.output || 4096,
+				});
+			}
+		}
+
 		console.log(`Loaded ${models.length} tool-capable models from models.dev`);
 		return models;
 	} catch (error) {
@@ -2227,6 +2278,29 @@ async function generateModels() {
 		});
 	}
 
+	// Add qwen3.8-max-preview to Qwen Token Plan providers until models.dev includes it
+	for (const qwenTpProvider of ["qwen-token-plan", "qwen-token-plan-cn"] as const) {
+		if (!allModels.some((m) => m.provider === qwenTpProvider && m.id === "qwen3.8-max-preview")) {
+			const baseUrl =
+				qwenTpProvider === "qwen-token-plan"
+					? "https://token-plan.ap-southeast-1.maas.aliyuncs.com/compatible-mode/v1"
+					: "https://token-plan.cn-beijing.maas.aliyuncs.com/compatible-mode/v1";
+			allModels.push({
+				id: "qwen3.8-max-preview",
+				name: "Qwen3.8 Max Preview",
+				api: "openai-completions",
+				provider: qwenTpProvider,
+				baseUrl,
+				compat: { thinkingFormat: "qwen", supportsDeveloperRole: false, supportsStore: false } satisfies OpenAICompletionsCompat,
+				reasoning: true,
+				input: ["text", "image"],
+				cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
+				contextWindow: 1000000,
+				maxTokens: 65536,
+			});
+		}
+	}
+
 	// Add "auto" alias for openrouter/auto
 	if (!allModels.some(m => m.provider === "openrouter" && m.id === "auto")) {
 		allModels.push({

packages/ai/src/env-api-keys.ts

@@ -73,6 +73,8 @@ function getApiKeyEnvVars(provider: string): readonly string[] | undefined {
 
 	const envMap: Record<string, string> = {
 		"ant-ling": "ANT_LING_API_KEY",
+		"qwen-token-plan": "QWEN_TOKEN_PLAN_API_KEY",
+		"qwen-token-plan-cn": "QWEN_TOKEN_PLAN_CN_API_KEY",
 		openai: "OPENAI_API_KEY",
 		"azure-openai-responses": "AZURE_OPENAI_API_KEY",
 		nvidia: "NVIDIA_API_KEY",

packages/ai/src/models.generated.ts

@@ -27,6 +27,8 @@ import { OPENAI_CODEX_MODELS } from "./providers/openai-codex.models.ts";
 import { OPENCODE_MODELS } from "./providers/opencode.models.ts";
 import { OPENCODE_GO_MODELS } from "./providers/opencode-go.models.ts";
 import { OPENROUTER_MODELS } from "./providers/openrouter.models.ts";
+import { QWEN_TOKEN_PLAN_MODELS } from "./providers/qwen-token-plan.models.ts";
+import { QWEN_TOKEN_PLAN_CN_MODELS } from "./providers/qwen-token-plan-cn.models.ts";
 import { TOGETHER_MODELS } from "./providers/together.models.ts";
 import { VERCEL_AI_GATEWAY_MODELS } from "./providers/vercel-ai-gateway.models.ts";
 import { XAI_MODELS } from "./providers/xai.models.ts";
@@ -64,6 +66,8 @@ export const MODELS = {
 	"opencode": OPENCODE_MODELS,
 	"opencode-go": OPENCODE_GO_MODELS,
 	"openrouter": OPENROUTER_MODELS,
+	"qwen-token-plan": QWEN_TOKEN_PLAN_MODELS,
+	"qwen-token-plan-cn": QWEN_TOKEN_PLAN_CN_MODELS,
 	"together": TOGETHER_MODELS,
 	"vercel-ai-gateway": VERCEL_AI_GATEWAY_MODELS,
 	"xai": XAI_MODELS,

packages/ai/src/providers/all.ts

@@ -29,6 +29,8 @@ import { opencodeProvider } from "./opencode.ts";
 import { opencodeGoProvider } from "./opencode-go.ts";
 import { openrouterProvider } from "./openrouter.ts";
 import { openrouterImagesProvider } from "./openrouter-images.ts";
+import { qwenTokenPlanProvider } from "./qwen-token-plan.ts";
+import { qwenTokenPlanCnProvider } from "./qwen-token-plan-cn.ts";
 import { radiusProvider } from "./radius.ts";
 import { togetherProvider } from "./together.ts";
 import { vercelAIGatewayProvider } from "./vercel-ai-gateway.ts";
@@ -103,6 +105,8 @@ export function builtinProviders(): Provider[] {
 		opencodeProvider(),
 		opencodeGoProvider(),
 		openrouterProvider(),
+		qwenTokenPlanProvider(),
+		qwenTokenPlanCnProvider(),
 		radiusProvider(),
 		togetherProvider(),
 		vercelAIGatewayProvider(),

packages/ai/src/providers/qwen-token-plan-cn.models.ts

@@ -0,0 +1,68 @@
+// This file is auto-generated by scripts/generate-models.ts
+// Do not edit manually - run 'npm run generate-models' to update
+
+import values from "./data/qwen-token-plan-cn.json" with { type: "json" };
+import type { Model } from "../types.ts";
+
+export const QWEN_TOKEN_PLAN_CN_MODELS = values as {
+	"MiniMax-M2.5": Model<"openai-completions"> & {
+		id: "MiniMax-M2.5";
+		provider: "qwen-token-plan-cn";
+	};
+	"deepseek-v3.2": Model<"openai-completions"> & {
+		id: "deepseek-v3.2";
+		provider: "qwen-token-plan-cn";
+	};
+	"deepseek-v4-flash": Model<"openai-completions"> & {
+		id: "deepseek-v4-flash";
+		provider: "qwen-token-plan-cn";
+	};
+	"deepseek-v4-pro": Model<"openai-completions"> & {
+		id: "deepseek-v4-pro";
+		provider: "qwen-token-plan-cn";
+	};
+	"glm-5": Model<"openai-completions"> & {
+		id: "glm-5";
+		provider: "qwen-token-plan-cn";
+	};
+	"glm-5.1": Model<"openai-completions"> & {
+		id: "glm-5.1";
+		provider: "qwen-token-plan-cn";
+	};
+	"glm-5.2": Model<"openai-completions"> & {
+		id: "glm-5.2";
+		provider: "qwen-token-plan-cn";
+	};
+	"kimi-k2.5": Model<"openai-completions"> & {
+		id: "kimi-k2.5";
+		provider: "qwen-token-plan-cn";
+	};
+	"kimi-k2.6": Model<"openai-completions"> & {
+		id: "kimi-k2.6";
+		provider: "qwen-token-plan-cn";
+	};
+	"kimi-k2.7-code": Model<"openai-completions"> & {
+		id: "kimi-k2.7-code";
+		provider: "qwen-token-plan-cn";
+	};
+	"qwen3.6-flash": Model<"openai-completions"> & {
+		id: "qwen3.6-flash";
+		provider: "qwen-token-plan-cn";
+	};
+	"qwen3.6-plus": Model<"openai-completions"> & {
+		id: "qwen3.6-plus";
+		provider: "qwen-token-plan-cn";
+	};
+	"qwen3.7-max": Model<"openai-completions"> & {
+		id: "qwen3.7-max";
+		provider: "qwen-token-plan-cn";
+	};
+	"qwen3.7-plus": Model<"openai-completions"> & {
+		id: "qwen3.7-plus";
+		provider: "qwen-token-plan-cn";
+	};
+	"qwen3.8-max-preview": Model<"openai-completions"> & {
+		id: "qwen3.8-max-preview";
+		provider: "qwen-token-plan-cn";
+	};
+};

packages/ai/src/providers/qwen-token-plan-cn.ts

@@ -0,0 +1,15 @@
+import { openAICompletionsApi } from "../api/openai-completions.lazy.ts";
+import { envApiKeyAuth } from "../auth/helpers.ts";
+import { createProvider, type Provider } from "../models.ts";
+import { QWEN_TOKEN_PLAN_CN_MODELS } from "./qwen-token-plan-cn.models.ts";
+
+export function qwenTokenPlanCnProvider(): Provider<"openai-completions"> {
+	return createProvider({
+		id: "qwen-token-plan-cn",
+		name: "Qwen Token Plan CN",
+		baseUrl: "https://token-plan.cn-beijing.maas.aliyuncs.com/compatible-mode/v1",
+		auth: { apiKey: envApiKeyAuth("Qwen Token Plan CN API key", ["QWEN_TOKEN_PLAN_CN_API_KEY"]) },
+		models: Object.values(QWEN_TOKEN_PLAN_CN_MODELS),
+		api: openAICompletionsApi(),
+	});
+}

packages/ai/src/providers/qwen-token-plan.models.ts

@@ -0,0 +1,68 @@
+// This file is auto-generated by scripts/generate-models.ts
+// Do not edit manually - run 'npm run generate-models' to update
+
+import values from "./data/qwen-token-plan.json" with { type: "json" };
+import type { Model } from "../types.ts";
+
+export const QWEN_TOKEN_PLAN_MODELS = values as {
+	"MiniMax-M2.5": Model<"openai-completions"> & {
+		id: "MiniMax-M2.5";
+		provider: "qwen-token-plan";
+	};
+	"deepseek-v3.2": Model<"openai-completions"> & {
+		id: "deepseek-v3.2";
+		provider: "qwen-token-plan";
+	};
+	"deepseek-v4-flash": Model<"openai-completions"> & {
+		id: "deepseek-v4-flash";
+		provider: "qwen-token-plan";
+	};
+	"deepseek-v4-pro": Model<"openai-completions"> & {
+		id: "deepseek-v4-pro";
+		provider: "qwen-token-plan";
+	};
+	"glm-5": Model<"openai-completions"> & {
+		id: "glm-5";
+		provider: "qwen-token-plan";
+	};
+	"glm-5.1": Model<"openai-completions"> & {
+		id: "glm-5.1";
+		provider: "qwen-token-plan";
+	};
+	"glm-5.2": Model<"openai-completions"> & {
+		id: "glm-5.2";
+		provider: "qwen-token-plan";
+	};
+	"kimi-k2.5": Model<"openai-completions"> & {
+		id: "kimi-k2.5";
+		provider: "qwen-token-plan";
+	};
+	"kimi-k2.6": Model<"openai-completions"> & {
+		id: "kimi-k2.6";
+		provider: "qwen-token-plan";
+	};
+	"kimi-k2.7-code": Model<"openai-completions"> & {
+		id: "kimi-k2.7-code";
+		provider: "qwen-token-plan";
+	};
+	"qwen3.6-flash": Model<"openai-completions"> & {
+		id: "qwen3.6-flash";
+		provider: "qwen-token-plan";
+	};
+	"qwen3.6-plus": Model<"openai-completions"> & {
+		id: "qwen3.6-plus";
+		provider: "qwen-token-plan";
+	};
+	"qwen3.7-max": Model<"openai-completions"> & {
+		id: "qwen3.7-max";
+		provider: "qwen-token-plan";
+	};
+	"qwen3.7-plus": Model<"openai-completions"> & {
+		id: "qwen3.7-plus";
+		provider: "qwen-token-plan";
+	};
+	"qwen3.8-max-preview": Model<"openai-completions"> & {
+		id: "qwen3.8-max-preview";
+		provider: "qwen-token-plan";
+	};
+};

packages/ai/src/providers/qwen-token-plan.ts

@@ -0,0 +1,15 @@
+import { openAICompletionsApi } from "../api/openai-completions.lazy.ts";
+import { envApiKeyAuth } from "../auth/helpers.ts";
+import { createProvider, type Provider } from "../models.ts";
+import { QWEN_TOKEN_PLAN_MODELS } from "./qwen-token-plan.models.ts";
+
+export function qwenTokenPlanProvider(): Provider<"openai-completions"> {
+	return createProvider({
+		id: "qwen-token-plan",
+		name: "Qwen Token Plan",
+		baseUrl: "https://token-plan.ap-southeast-1.maas.aliyuncs.com/compatible-mode/v1",
+		auth: { apiKey: envApiKeyAuth("Qwen Token Plan API key", ["QWEN_TOKEN_PLAN_API_KEY"]) },
+		models: Object.values(QWEN_TOKEN_PLAN_MODELS),
+		api: openAICompletionsApi(),
+	});
+}

packages/ai/src/types.ts

@@ -64,6 +64,8 @@ export type KnownProvider =
 	| "kimi-coding"
 	| "cloudflare-workers-ai"
 	| "cloudflare-ai-gateway"
+	| "qwen-token-plan"
+	| "qwen-token-plan-cn"
 	| "xiaomi"
 	| "xiaomi-token-plan-cn"
 	| "xiaomi-token-plan-ams"

packages/ai/src/utils/overflow.ts

@@ -31,6 +31,7 @@ import type { AssistantMessage } from "../types.ts";
  * - Xiaomi MiMo: Truncates input to fill contextWindow exactly, then returns finish_reason "length"
  *   with output=0 (no room left to generate). Detected via stopReason "length" + zero output +
  *   input filling the context window.
+ * - DashScope/Qwen: "Range of input length should be [1, X]" (HTTP 400 invalid_parameter_error)
  * - Ollama: Some deployments truncate silently, others return errors like "prompt too long; exceeded max context length by X tokens"
  */
 const OVERFLOW_PATTERNS = [
@@ -54,6 +55,7 @@ const OVERFLOW_PATTERNS = [
 	/prompt has [\d,]+ tokens?, but the configured context size is [\d,]+ tokens?/i, // DS4 server
 	/model_context_window_exceeded/i, // z.ai non-standard finish_reason surfaced as error text
 	/prompt too long; exceeded (?:max )?context length/i, // Ollama explicit overflow error
+	/range of input length should be/i, // DashScope / Qwen Token Plan
 	/context[_ ]length[_ ]exceeded/i, // Generic fallback
 	/too many tokens/i, // Generic fallback
 	/token limit exceeded/i, // Generic fallback
@@ -101,6 +103,7 @@ const NON_OVERFLOW_PATTERNS = [
  * - LM Studio: "greater than the context length"
  * - Kimi For Coding: "exceeded model token limit: X (requested: Y)"
  * - DS4: "Prompt has X tokens, but the configured context size is Y tokens"
+ * - DashScope/Qwen: "Range of input length should be [1, X]"
  *
  * **Unreliable detection:**
  * - z.ai: Sometimes accepts overflow silently (detectable via usage.input > contextWindow),

packages/ai/test/abort.test.ts

@@ -249,6 +249,30 @@ describe("AI Providers Abort Tests", () => {
 		});
 	});
 
+	describe.skipIf(!process.env.QWEN_TOKEN_PLAN_API_KEY)("Qwen Token Plan Provider Abort", () => {
+		const llm = getModel("qwen-token-plan", "qwen3.7-max");
+
+		it("should abort mid-stream", { retry: 3 }, async () => {
+			await testAbortSignal(llm);
+		});
+
+		it("should handle immediate abort", { retry: 3 }, async () => {
+			await testImmediateAbort(llm);
+		});
+	});
+
+	describe.skipIf(!process.env.QWEN_TOKEN_PLAN_CN_API_KEY)("Qwen Token Plan (CN) Provider Abort", () => {
+		const llm = getModel("qwen-token-plan-cn", "qwen3.7-max");
+
+		it("should abort mid-stream", { retry: 3 }, async () => {
+			await testAbortSignal(llm);
+		});
+
+		it("should handle immediate abort", { retry: 3 }, async () => {
+			await testImmediateAbort(llm);
+		});
+	});
+
 	describe.skipIf(!process.env.KIMI_API_KEY)("Kimi For Coding Provider Abort", () => {
 		const llm = getModel("kimi-coding", "kimi-for-coding");