Alibaba

Qwen3.5 Plus

Tool callingReasoningImage inputVideo input

Qwen vision-language model for visual reasoning, documents, and agent tasks

Context
1M
Released
8mo ago

Sources:models.dev

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Other sourced evaluations appear below; missing scores are not zero.

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

Other published benchmarks

EvaluationReported score and source
FrontierMath-2025-02-28-Private
21.0%
Epoch AI · qwen3.5-plus
Epoch AI evaluation
FrontierMath-Tier-4-2025-07-01-Private
2.1%
Epoch AI · qwen3.5-plus
Epoch AI evaluation
GPQA diamond
84.8%
Epoch AI · qwen3.5-plus
Epoch AI evaluation
OTIS Mock AIME 2024-2025
86.7%
Epoch AI · qwen3.5-plus
Epoch AI evaluation
SimpleQA Verified
25.4%
Epoch AI · qwen3.5-plus
Epoch AI evaluation

Benchmark compilation: Epoch AI, Capabilities & benchmarking (CC BY attribution). Scores are converted to percentages and model names matched to the Vertical Tabs catalog. Individual evaluations are credited to their original sources. External results may carry separate licences and evaluation configurations; do not interpret scores from different harnesses as directly comparable.

Specifications

Developer
Alibaba
Model family
Qwen
Type
Language model
Predecessor
—
Successor
—
Released
February 16, 2026
Model ID
alibaba/qwen3.5-plus
Openness
Closed
License
—
Input modalities
text, image, video
Output modalities
text
Modality
text+image+video->text
Max output tokens
66K
Knowledge cutoff
2025-04
Hugging Face
—
Source freshness
Metadata synced Oct 8, 2026, 10:17 PM UTC
Additional source evidence
Source model
alibaba/qwen3.5-plus
Source family
qwen
Last updated
2026-02-16
Knowledge cutoff
2025-04
Model context
1M
Model output limit
66K
Open weights
No
File attachments
No
Reasoning
Yes
Tool calling
Yes
Temperature control
Yes
Complete source record (JSON)
{
  "id": "alibaba/qwen3.5-plus",
  "name": "Qwen3.5 Plus",
  "description": "Qwen vision-language model for visual reasoning, documents, and agent tasks",
  "family": "qwen",
  "last_updated": "2026-02-16",
  "knowledge": "2025-04",
  "attachment": false,
  "reasoning": true,
  "tool_call": true,
  "temperature": true,
  "modalities": {
    "input": [
      "text",
      "image",
      "video"
    ],
    "output": [
      "text"
    ]
  },
  "limit": {
    "context": 1000000,
    "output": 65536
  },
  "release_date": "2026-02-16",
  "open_weights": false
}

Infrastructure

Provider availability

All providers
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