Model Comparison

Claude 3 Sonnet vs Qwen2 72B InstructWhich is better in 2026?

Qwen2 72B Instruct shows notably better performance in the majority of benchmarks.

Verdict: Claude 3 Sonnet vs Qwen2 72B Instruct — which is better?

Claude 3 Sonnet (by Anthropic) and Qwen2 72B Instruct (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.

Claude 3 Sonnet outperforms in 3 benchmarks (ARC-C, GSM8k, HellaSwag), while Qwen2 72B Instruct is better at 5 benchmarks (GPQA, HumanEval, MATH, MMLU, MMLU-Pro). Qwen2 72B Instruct shows notably better performance in the majority of benchmarks.

Choose Claude 3 Sonnet if…

  • you want predictable pricing at $3.00/M input and $15.00/M output

Choose Qwen2 72B Instruct if…

  • you want the strongest raw capability — it leads on 5 of 8 shared benchmarks
  • you want the most recent training data — it shipped Jul 2024
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

Claude 3 Sonnet outperforms in 3 benchmarks (ARC-C, GSM8k, HellaSwag), while Qwen2 72B Instruct is better at 5 benchmarks (GPQA, HumanEval, MATH, MMLU, MMLU-Pro).

Qwen2 72B Instruct shows notably better performance in the majority of benchmarks.

Sun Jul 05 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude 3 Sonnet specifies input context (200,000 tokens). Only Claude 3 Sonnet specifies output context (200,000 tokens).

Anthropic
Claude 3 Sonnet
Input200,000 tokens
Output200,000 tokens
Alibaba Cloud / Qwen Team
Qwen2 72B Instruct
Input- tokens
Output- tokens
Sun Jul 05 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Sonnet supports multimodal inputs, whereas Qwen2 72B Instruct does not.

Claude 3 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 Sonnet

Text
Images
Audio
Video

Qwen2 72B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Sonnet is licensed under a proprietary license, while Qwen2 72B Instruct uses tongyi-qianwen.

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

Claude 3 Sonnet

Proprietary

Closed source

Qwen2 72B Instruct

tongyi-qianwen

Open weights

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while Qwen2 72B Instruct was released on 2024-07-23.

Qwen2 72B Instruct is 5 months newer than Claude 3 Sonnet.

Claude 3 Sonnet

Feb 29, 2024

2.3 years ago

Qwen2 72B Instruct

Jul 23, 2024

2.0 years ago

4mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Higher ARC-C score (93.2% vs 68.9%)
Higher GSM8k score (92.3% vs 91.1%)
Higher HellaSwag score (89.0% vs 87.6%)
Alibaba Cloud / Qwen Team

Qwen2 72B Instruct

View details

Alibaba Cloud / Qwen Team

Has open weights
Higher GPQA score (42.4% vs 40.4%)
Higher HumanEval score (86.0% vs 73.0%)
Higher MATH score (59.7% vs 43.1%)
Higher MMLU score (82.3% vs 79.0%)
Higher MMLU-Pro score (64.4% vs 56.8%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude 3 Sonnet and Qwen2 72B Instruct side-by-side, then vote on the output you prefer.

Claude 3 Sonnet
✓ Preferred
Qwen2 72B Instruct
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude 3 Sonnet
Alibaba Cloud / Qwen Team
Qwen2 72B Instruct

FAQ

Common questions about Claude 3 Sonnet vs Qwen2 72B Instruct.

Which is better, Claude 3 Sonnet or Qwen2 72B Instruct?

Qwen2 72B Instruct shows notably better performance in the majority of benchmarks. Claude 3 Sonnet is made by Anthropic and Qwen2 72B Instruct is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3 Sonnet compare to Qwen2 72B Instruct in benchmarks?

Claude 3 Sonnet scores ARC-C: 93.2%, GSM8k: 92.3%, HellaSwag: 89.0%, MGSM: 83.5%, BIG-Bench Hard: 82.9%. Qwen2 72B Instruct scores GSM8k: 91.1%, CMMLU: 90.1%, HellaSwag: 87.6%, HumanEval: 86.0%, Winogrande: 85.1%.

What are the context window sizes for Claude 3 Sonnet and Qwen2 72B Instruct?

Claude 3 Sonnet supports 200K tokens and Qwen2 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 3 Sonnet and Qwen2 72B Instruct?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs tongyi-qianwen). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Sonnet and Qwen2 72B Instruct?

Claude 3 Sonnet is developed by Anthropic and Qwen2 72B Instruct is developed by Alibaba Cloud / Qwen Team.

Related comparisons