Model Comparison

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

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

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

Grok 4.5 (by xAI) 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 Grok 4.5 if…

  • you want the most recent training data — it shipped Jul 2026

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

Grok 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 Grok 4.5 specifies input context (500,000 tokens).

xAI
Grok 4.5
Input500,000 tokens
Output- tokens
Alibaba Cloud / Qwen Team
QvQ-72B-Preview
Input- tokens
Output- tokens
Sat Jul 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

Grok 4.5

Text
Images
Audio
Video

QvQ-72B-Preview

Text
Images
Audio
Video

License

Usage and distribution terms

Grok 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.

Grok 4.5

Proprietary

Closed source

QvQ-72B-Preview

Qwen

Open weights

Release Timeline

When each model was launched

Grok 4.5 was released on 2026-07-16, while QvQ-72B-Preview was released on 2024-12-25.

Grok 4.5 is 19 months newer than QvQ-72B-Preview.

Grok 4.5

Jul 16, 2026

2 days ago

1.6yr newer
QvQ-72B-Preview

Dec 25, 2024

1.6 years ago

Knowledge Cutoff

When training data ends

Grok 4.5 has a documented knowledge cutoff of 2026-02-01, while QvQ-72B-Preview's cutoff date is not specified.

We can confirm Grok 4.5's training data extends to 2026-02-01, but cannot make a direct comparison without QvQ-72B-Preview's cutoff date.

Grok 4.5

Feb 2026

QvQ-72B-Preview

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

xAI
Larger context window (500,000 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 Grok 4.5 and QvQ-72B-Preview side-by-side, then vote on the output you prefer.

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

FAQ

Common questions about Grok 4.5 vs QvQ-72B-Preview.

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

Grok 4.5 (xAI) 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 Grok 4.5 compare to QvQ-72B-Preview in benchmarks?

Grok 4.5 scores GPQA: 93.0%, Terminal-Bench 2.1: 83.3%, Artificial Analysis Coding Agent Index v1.1: 76.0%, SWE-Bench Pro: 64.7%, AA-Omniscience Index: 63.0%. QvQ-72B-Preview scores MathVista: 71.4%, MMMU: 70.3%, MathVision: 35.9%, OlympiadBench: 20.4%.

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

Grok 4.5 supports 500K 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 Grok 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 Grok 4.5 and QvQ-72B-Preview?

Grok 4.5 is developed by xAI and QvQ-72B-Preview is developed by Alibaba Cloud / Qwen Team.

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