Models  ›  Qwen 3.8 Max

ALIBABA FLAGSHIP MODEL • 2026

Qwen 3.8 Max

Alibaba • Launched August 2026, updated September 2026

Qwen 3.8 Max is Alibaba’s largest multimodal reasoning model yet

Text generation
Image input
Extended Reasoning
Long-horizon agentic tool use
CONTEXT WINDOW
1,050,000 tokens
MAXIMUM OUTPUT
128,000 tokens
BASE PROVIDER API INPUT
$2.00 / 1M tokens

Starting provider API rate; context tiers apply

PUBLISHED EVIDENCE
5 benchmarks, 0 Arena results
OVERVIEW

About Qwen 3.8 Max

See what 3.8 Max does best, then review its limits, benchmarks, and pricing below

Qwen 3.8 Max is Alibaba’s largest multimodal reasoning model yet

Text
Multimodal
Reasoning
PUBLISHED EVALUATIONS

Premium Qwen 3.8 Max Benchmarks

Every 3.8 Max result below comes from a named source and is labeled by protocol, so each score reflects how it was measured.

BenchmarkScoreEvaluation detailsSource
GPQA Diamond
The highest-quality subset of Graduate-Level Google-Proof Q&A, designed to test expert-level scientific reasoning in biology, physics, and chemistry.
92.8%
Accuracy
Version: GPQA Diamond 198 · Split: 198 Diamond questions · Harness: Artificial Analysis independent evaluation · Snapshot: 0902 build Methodology
Artificial Analysis
Independently reproduced
Humanity's Last Exam
A 2,500-question expert-level benchmark spanning dozens of academic fields. Tool-assisted and no-tools results are separate protocols.
43.1%
Accuracy
Version: Humanity's Last Exam · Harness: Artificial Analysis independent evaluation · Snapshot: 0902 build Methodology
Artificial Analysis
Independently reproduced
Terminal-Bench Hard
A harder subset of Terminal-Bench focused on multi-step terminal tasks that trip up most agents.
38.9%
Task success rate
Version: Terminal-Bench Hard · Harness: Artificial Analysis independent evaluation · Snapshot: 0902 build Methodology
Artificial Analysis
Independently reproduced
OSWorld-Verified
A computer-use benchmark that scores whether an agent can complete real desktop tasks inside a verified operating-system environment.
86.1%
Task success rate
Version: OSWorld-Verified · Harness: Alibaba internal evaluation · Reasoning effort: high Methodology
Alibaba (Qwen team)
Provider-reported
DeepSWE 1.1
A long-horizon software-engineering benchmark with 113 original tasks graded by hand-written tests.
69.3%
Pass@1
Version: DeepSWE 1.1 · Harness: Alibaba internal evaluation · Snapshot: 0902 build, up from 56.6% Methodology
Alibaba (Qwen team)
Provider-reported
HUMAN PREFERENCE

3.8 Max Arena

Arena rankings capture how people vote between anonymous responses. 3.8 Max’s human preference standing is reported per leaderboard, since results can vary widely by task

.8 Max ranks first on Arena’s Code: WebDev leaderboard for building working web apps, scoring 1,691 points

TECHNICAL REFERENCE

Qwen 3.8 Max Specifications and API Facts

Qwen 3.8 Max runs a 983,616-token context window at one flat rate, with image input and adjustable reasoning, priced and detailed below

Model
ProviderAlibaba (Qwen)
Release dateSep 2, 2026 (0902 snapshot)
Catalog addedSep 22, 2026
Context window983,616 tokens
Maximum output131,072 tokens
Knowledge cutoffNot available in reviewed sources
LicenseProprietary
Capabilities and API
Parameters2.4T total • ~95B active (MoE)
Input typesImage, Text
Output typesText
ReasoningSupported (thinking/non-thinking modes, adjustable effort)
Provider endpoint tool parametersAccepts tool parameters
Base provider API input$2.00 / 1M tokens
Base provider cached input$0.25 / 1M tokens
Base provider API output$6.00 / 1M tokens

Provider token rates are context-dependent. The base rates apply below the listed prompt thresholds; the matching tier applies at or above each threshold. These are reference provider API rates, not Pyxa AI checkout charges — access in Pyxa AI follows the allowances of your Pyxa AI plan.

PROVENANCE

Qwen 3.8 Max Sources and Updates

Each 3.8 Max benchmark and specification links to its original source, so you can check where every figure comes from

Qwen3.8 Max (0902) — Intelligence, Performance & Price Analysis
Artificial Analysis · Retrieved Sep 22, 2026
Code Arena: WebDev Leaderboard
Arena · Retrieved Sep 22, 2026
Qwen3.8-Max-0902 explained: benchmarks, pricing, context window
DataStudios · Retrieved Sep 22, 2026
Qwen3.8 Max (0902) — API Pricing & Benchmarks
OpenRouter
3.8 Max evidence was last updated Sep 22, 2026. Specifications reflect Alibaba's documentation, and the catalog date marks when this page was added, not the model's release. [26]

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