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AI models
alibaba

Qwen3.5 Plus

AI model Released

Context window
1,000,000 tokens
Maximum output
65,536 tokens
Open weights
No

Model performance

Radar task score: four tests, equal weight. An experimental summary of these tasks, not a universal intelligence rating.

Qwen3.5 Plus

Radar task score

Unrated

3/4 core tests · not enough evidence

4 benchmark results for this configuration

Scientific reasoning

GPQA Diamond · 25%

Expert-written science questions; strict multiple-choice scoring. Chance accuracy is 25%.

Qwen3.5 Plus 84.8*% Approx. 95% interval: 79.8–89.9%

Novel problem solving

Mystery Game Puzzles · 25%

Best-next-move puzzles in an undisclosed game variant. A narrow reasoning test, not general intelligence.

Qwen3.5 Plus 16.0*% Approx. 95% interval: 8.8–23.2%

Advanced mathematics

FrontierMath Tiers 1-3 · 25%

Private v2 mathematics problems with Python tools. Earlier versions and Tier 4 are excluded.

Qwen3.5 Plus Not available

Factual answers

SimpleQA Verified · 25%

Correct factual answers under a guessing prompt, graded by a model. Not a hallucination or abstention score.

Qwen3.5 Plus 25.4*% Approx. 95% interval: 22.7–28.1%

Competition mathematics

OTIS Mock AIME 2024-2025 · Separate result

Competition problems with model-extracted answers checked against an exact key. Earlier grading procedures are excluded.

Qwen3.5 Plus 86.7*% Approx. 95% interval: 76.6–96.7%

Bars show reported task scores. Whiskers are approximate 95% intervals where standard errors are available. Different reasoning budgets are not equal-cost tests. Missing results are never zero.

Run it locally

Inference · memory estimate

Qwen3.5 Plus

Closed weights. No supported local deployment or GPU requirement is published.

API cost

USD / month

Standard text-token estimate. Excludes taxes, caching, batch discounts, reasoning and multimodal surcharges. Provider limits and regional availability may differ.

Qwen3.5 Plus

Capabilities

Context window
1,000,000 tokens
Maximum output
65,536 tokens
Reasoning
Yes
Tool calling
Yes
Open weights
No
Knowledge cutoff
2025-04

Input modalities

  • text
  • image
  • video

Output modalities

  • text

* Provisional data