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Model Comparison

Claude Sonnet 4.5 vs Qwen2.5-Coder 7B InstructWhich is better in 2026?

Comparing Claude Sonnet 4.5 and Qwen2.5-Coder 7B Instruct across benchmarks, pricing, and capabilities.

Verdict: Claude Sonnet 4.5 vs Qwen2.5-Coder 7B Instruct — which is better?

Claude Sonnet 4.5 (by Anthropic) and Qwen2.5-Coder 7B 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.

Choose Claude Sonnet 4.5 if…

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

Choose Qwen2.5-Coder 7B Instruct 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 Qwen2.5-Coder 7B Instructdon'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
Qwen2.5-Coder 7B Instruct
Input- tokens
Output- tokens
Fri Aug 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Sonnet 4.5 supports multimodal inputs, whereas Qwen2.5-Coder 7B Instruct does not.

Claude Sonnet 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Sonnet 4.5

Text
Images
Audio
Video

Qwen2.5-Coder 7B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 4.5 is licensed under a proprietary license, while Qwen2.5-Coder 7B Instruct uses Apache 2.0.

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

Claude Sonnet 4.5

Proprietary

Closed source

Qwen2.5-Coder 7B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4.5 was released on 2025-09-29, while Qwen2.5-Coder 7B Instruct was released on 2024-09-19.

Claude Sonnet 4.5 is 13 months newer than Qwen2.5-Coder 7B Instruct.

Claude Sonnet 4.5

Sep 29, 2025

10 months ago

1.0yr newer
Qwen2.5-Coder 7B Instruct

Sep 19, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while Qwen2.5-Coder 7B Instruct'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 Qwen2.5-Coder 7B Instruct's cutoff date.

Claude Sonnet 4.5

Jan 2025

Qwen2.5-Coder 7B Instruct

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

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

Qwen2.5-Coder 7B Instruct

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 Qwen2.5-Coder 7B Instruct side-by-side, then vote on the output you prefer.

Claude Sonnet 4.5
✓ Preferred
Qwen2.5-Coder 7B Instruct
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.5
Alibaba Cloud / Qwen Team
Qwen2.5-Coder 7B Instruct

FAQ

Common questions about Claude Sonnet 4.5 vs Qwen2.5-Coder 7B Instruct.

Which is better, Claude Sonnet 4.5 or Qwen2.5-Coder 7B Instruct?

Claude Sonnet 4.5 (Anthropic) and Qwen2.5-Coder 7B Instruct (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 Qwen2.5-Coder 7B Instruct 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%. Qwen2.5-Coder 7B Instruct scores HumanEval: 88.4%, GSM8k: 83.9%, MBPP: 83.5%, HellaSwag: 76.8%, Winogrande: 72.9%.

What are the context window sizes for Claude Sonnet 4.5 and Qwen2.5-Coder 7B Instruct?

Claude Sonnet 4.5 supports 200K tokens and Qwen2.5-Coder 7B 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 4.5 and Qwen2.5-Coder 7B Instruct?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 4.5 and Qwen2.5-Coder 7B Instruct?

Claude Sonnet 4.5 is developed by Anthropic and Qwen2.5-Coder 7B Instruct is developed by Alibaba Cloud / Qwen Team.

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