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Claude Sonnet 5.5 vs Qwen2.5 VL 72B Instruct

Claude Sonnet 5.5 leads the LLM Stats Score 58.1 to 12.7.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Claude Sonnet 5.5 leads the overall LLM Stats Score 58.1 to 12.7, ranking #3 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Sonnet 5.5

  • overall performance matters — it scores 58.1 and ranks #3 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Qwen2.5 VL 72B Instruct

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Sonnet 5.5
Anthropic
Qwen2.5 VL 72B Instruct
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
58.1
#3
12.7
#257
Reasoning
56.6
#3
12.8
#248
Agents
42.3
#3
4.5
#159
Cost, coverage & limits
Benchmark wins
—
—
Input price
$2.00 / M
— / M
Output price
$10.00 / M
— / M
Context window
1,000,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Sonnet 5.5
Qwen2.5 VL 72B Instruct
Math
36.9#34
7.6#265
Vision
40.1#3
9.2#136
Multimodal
40.2#2
12.1#112
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

47 reported for Claude Sonnet 5.5 · 30 for Qwen2.5 VL 72B Instruct

No common benchmarks found

Claude Sonnet 5.5 and Qwen2.5 VL 72B Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude Sonnet 5.5 specifies input context (1,000,000 tokens). Only Claude Sonnet 5.5 specifies output context (128,000 tokens).

Anthropic
Claude Sonnet 5.5
Input1,000,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen2.5 VL 72B Instruct
Input- tokens
Output- tokens
Tue Sep 29 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Sonnet 5.5 and Qwen2.5 VL 72B Instruct support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Sonnet 5.5

Text
Images
Audio
Video

Qwen2.5 VL 72B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 5.5 is licensed under a proprietary license, while Qwen2.5 VL 72B Instruct uses tongyi-qianwen.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Sonnet 5.5

Proprietary

Closed source

Qwen2.5 VL 72B Instruct

tongyi-qianwen

Open weights

Release Timeline

When each model was launched

Claude Sonnet 5.5 was released on 2026-09-28, while Qwen2.5 VL 72B Instruct was released on 2025-01-26.

Claude Sonnet 5.5 is 20 months newer than Qwen2.5 VL 72B Instruct.

Claude Sonnet 5.5

Sep 28, 2026

1 days ago

1.7yr newer
Qwen2.5 VL 72B Instruct

Jan 26, 2025

1.7 years ago

Knowledge Cutoff

When training data ends

Claude Sonnet 5.5 has a documented knowledge cutoff of 2026-06-01, while Qwen2.5 VL 72B Instruct's cutoff date is not specified.

We can confirm Claude Sonnet 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without Qwen2.5 VL 72B Instruct's cutoff date.

Claude Sonnet 5.5

Jun 2026

Qwen2.5 VL 72B Instruct

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Sonnet 5.5 and Qwen2.5 VL 72B Instruct side-by-side, then vote on the output you prefer.

Claude Sonnet 5.5
✓ Preferred
Qwen2.5 VL 72B Instruct
Open in Playground

FAQ

Common questions about Claude Sonnet 5.5 vs Qwen2.5 VL 72B Instruct.

Which is better, Claude Sonnet 5.5 or Qwen2.5 VL 72B Instruct?

Claude Sonnet 5.5 leads the LLM Stats Score 58.1 to 12.7. Claude Sonnet 5.5 is made by Anthropic and Qwen2.5 VL 72B Instruct is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Sonnet 5.5 compare to Qwen2.5 VL 72B Instruct in benchmarks?

Claude Sonnet 5.5 scores BenchCAD (with Python tool): 96.3%, ArXivMath (with tools): 95.2%, Global-MMLU: 92.1%, MILU: 91.6%, SWE-bench Multilingual: 90.3%. Qwen2.5 VL 72B Instruct scores DocVQA: 96.4%, Android Control Low_EM: 93.7%, ChartQA: 89.5%, OCRBench: 88.5%, AI2D: 88.4%.

What are the context window sizes for Claude Sonnet 5.5 and Qwen2.5 VL 72B Instruct?

Claude Sonnet 5.5 supports 1.0M tokens and Qwen2.5 VL 72B Instruct supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 5.5 and Qwen2.5 VL 72B Instruct?

Key differences include LLM Stats Score (58.1 vs 12.7), licensing (Proprietary vs tongyi-qianwen). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 5.5 and Qwen2.5 VL 72B Instruct?

Claude Sonnet 5.5 is developed by Anthropic and Qwen2.5 VL 72B Instruct is developed by Alibaba Cloud / Qwen Team.

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