Model Comparison

Claude Sonnet 4.5 vs QvQ-72B-PreviewWhich is better in 2026?

Comparing Claude Sonnet 4.5 and QvQ-72B-Preview across benchmarks, pricing, and capabilities.

Verdict: Claude Sonnet 4.5 vs QvQ-72B-Preview — which is better?

Claude Sonnet 4.5 (by Anthropic) and QvQ-72B-Preview (by Alibaba Cloud / Qwen Team) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Choose Claude Sonnet 4.5 if…

  • you want the most recent training data — it shipped Sep 2025

Choose QvQ-72B-Preview if…

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

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Sonnet 4.5 and QvQ-72B-Previewdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude Sonnet 4.5 specifies input context (200,000 tokens). Only Claude Sonnet 4.5 specifies output context (64,000 tokens).

Anthropic
Claude Sonnet 4.5
Input200,000 tokens
Output64,000 tokens
Alibaba Cloud / Qwen Team
QvQ-72B-Preview
Input- tokens
Output- tokens
Sat Jun 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.5 and QvQ-72B-Preview support multimodal inputs.

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

Claude Sonnet 4.5

Text
Images
Audio
Video

QvQ-72B-Preview

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 4.5 is licensed under a proprietary license, while QvQ-72B-Preview uses Qwen.

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

Claude Sonnet 4.5

Proprietary

Closed source

QvQ-72B-Preview

Qwen

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4.5 was released on 2025-09-29, while QvQ-72B-Preview was released on 2024-12-25.

Claude Sonnet 4.5 is 9 months newer than QvQ-72B-Preview.

Claude Sonnet 4.5

Sep 29, 2025

9 months ago

9mo newer
QvQ-72B-Preview

Dec 25, 2024

1.5 years ago

Knowledge Cutoff

When training data ends

Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while QvQ-72B-Preview's cutoff date is not specified.

We can confirm Claude Sonnet 4.5's training data extends to 2025-01-31, but cannot make a direct comparison without QvQ-72B-Preview's cutoff date.

Claude Sonnet 4.5

Jan 2025

QvQ-72B-Preview

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Alibaba Cloud / Qwen Team

QvQ-72B-Preview

View details

Alibaba Cloud / Qwen Team

Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Sonnet 4.5 and QvQ-72B-Preview side-by-side, then vote on the output you prefer.

Claude Sonnet 4.5
✓ Preferred
QvQ-72B-Preview
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.5
Alibaba Cloud / Qwen Team
QvQ-72B-Preview

FAQ

Common questions about Claude Sonnet 4.5 vs QvQ-72B-Preview.

Which is better, Claude Sonnet 4.5 or QvQ-72B-Preview?

Claude Sonnet 4.5 (Anthropic) and QvQ-72B-Preview (Alibaba Cloud / Qwen Team) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude Sonnet 4.5 compare to QvQ-72B-Preview in benchmarks?

Claude Sonnet 4.5 scores MMMLU: 89.1%, AIME 2025: 87.0%, TAU-bench Retail: 86.2%, GPQA: 83.4%, MMMUval: 77.8%. QvQ-72B-Preview scores MathVista: 71.4%, MMMU: 70.3%, MathVision: 35.9%, OlympiadBench: 20.4%.

What are the context window sizes for Claude Sonnet 4.5 and QvQ-72B-Preview?

Claude Sonnet 4.5 supports 200K tokens and QvQ-72B-Preview 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 4.5 and QvQ-72B-Preview?

Key differences include licensing (Proprietary vs Qwen). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 4.5 and QvQ-72B-Preview?

Claude Sonnet 4.5 is developed by Anthropic and QvQ-72B-Preview is developed by Alibaba Cloud / Qwen Team.

Related comparisons