Qwen3.8 Max Preview

AlibabaMCP Tool CallReasoning

alibaba/qwen3.8-max-previewClosed API

Preview Qwen flagship for million-token multimodal reasoning and long-horizon agentic workflows

Benchmark Pricing$2.00 / 1M in$6.00 / 1M out$0.25 cache read

Context: 1,000,000 tokens•Max Output: 131,072 tokens•Released: 2026-07-19

TECHNICAL SPECIFICATIONS

Context Window1,000,0001M tokens

Max Output131,072131.1K tokens

LicenseProprietaryCloud API only

Input Modalities

TextVisionVideo

Function / Tool CallingSupported (MCP Ready)

Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Qwen3.8 Max Preview natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.

MCP Context Window Recommendations

With a context capacity of 1,000,000 tokens, this model can handle extremely large MCP resource manifests, complete database schemas, and multiple active server tool definitions simultaneously without degradation.

STANDARDIZED BENCHMARKS & EVALS

Terminal-Benchaccuracy

86.6

SWE-Bench Proresolve rate

67.7

DeepSWEresolve rate

56.6

NL2Reporesolve rate

55.9

FrontierSWEdominance score

73.5

MLS-Bench-Litescore

AutomationBenchpass@1

27.3

Toolathlon Verifiedpass@1

72.5

WideSearchF1

81.9

Humanity's Last Examaccuracy

56.2

GPQA Diamondaccuracy

92.6

Humanity's Last Examaccuracy

43.6

IFBenchscore

82.8

OSWorld-Verifiedsuccess rate

86.1

MMMU Proaccuracy

82.3

API CALL INVOCATION EXAMPLE

// Example: Calling Qwen3.8 Max Preview via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.ALIBABA_API_KEY,
});

const response = await client.chat.completions.create({
  model: "alibaba/qwen3.8-max-preview",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);