Model Comparison

Claude Opus 4.5 vs Qwen3.6-35B-A3BWhich is better in 2026?

Claude Opus 4.5 shows notably better performance in the majority of benchmarks.

Verdict: Claude Opus 4.5 vs Qwen3.6-35B-A3B — which is better?

Claude Opus 4.5 (by Anthropic) and Qwen3.6-35B-A3B (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 Opus 4.5 outperforms in 3 benchmarks (GPQA, SWE-Bench Verified, Terminal-Bench 2.0), while Qwen3.6-35B-A3B is better at 1 benchmark (MCP Atlas). Claude Opus 4.5 shows notably better performance in the majority of benchmarks.

Choose Claude Opus 4.5 if…

  • you want the strongest raw capability — it leads on 3 of 4 shared benchmarks

Choose Qwen3.6-35B-A3B if…

  • you want the most recent training data — it shipped Apr 2026
  • you need open weights you can self-host or fine-tune
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude Opus 4.5 outperforms in 3 benchmarks (GPQA, SWE-Bench Verified, Terminal-Bench 2.0), while Qwen3.6-35B-A3B is better at 1 benchmark (MCP Atlas).

Claude Opus 4.5 shows notably better performance in the majority of benchmarks.

Mon Jun 22 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

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

Anthropic
Claude Opus 4.5
Input200,000 tokens
Output64,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.6-35B-A3B
Input- tokens
Output- tokens
Mon Jun 22 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4.5 and Qwen3.6-35B-A3B support multimodal inputs.

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

Claude Opus 4.5

Text
Images
Audio
Video

Qwen3.6-35B-A3B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4.5 is licensed under a proprietary license, while Qwen3.6-35B-A3B uses Apache 2.0.

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

Claude Opus 4.5

Proprietary

Closed source

Qwen3.6-35B-A3B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while Qwen3.6-35B-A3B was released on 2026-04-16.

Qwen3.6-35B-A3B is 5 months newer than Claude Opus 4.5.

Claude Opus 4.5

Nov 24, 2025

7 months ago

Qwen3.6-35B-A3B

Apr 16, 2026

2 months ago

4mo newer

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while Qwen3.6-35B-A3B's cutoff date is not specified.

We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without Qwen3.6-35B-A3B's cutoff date.

Claude Opus 4.5

Mar 2025

Qwen3.6-35B-A3B

—

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Higher GPQA score (87.0% vs 86.0%)
Higher SWE-Bench Verified score (80.9% vs 73.4%)
Higher Terminal-Bench 2.0 score (59.3% vs 51.5%)
Alibaba Cloud / Qwen Team

Qwen3.6-35B-A3B

View details

Alibaba Cloud / Qwen Team

Has open weights
Higher MCP Atlas score (62.8% vs 62.3%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.5
Alibaba Cloud / Qwen Team
Qwen3.6-35B-A3B

FAQ

Common questions about Claude Opus 4.5 vs Qwen3.6-35B-A3B.

Which is better, Claude Opus 4.5 or Qwen3.6-35B-A3B?

Claude Opus 4.5 shows notably better performance in the majority of benchmarks. Claude Opus 4.5 is made by Anthropic and Qwen3.6-35B-A3B 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 Opus 4.5 compare to Qwen3.6-35B-A3B in benchmarks?

Claude Opus 4.5 scores Tau2 Telecom: 98.2%, MMMLU: 90.8%, Tau2 Retail: 88.9%, GPQA: 87.0%, SWE-Bench Verified: 80.9%. Qwen3.6-35B-A3B scores MMLU-Redux: 93.3%, MMBench-V1.1: 92.8%, AI2D: 92.7%, AIME 2026: 92.7%, RefCOCO-avg: 92.0%.

What are the context window sizes for Claude Opus 4.5 and Qwen3.6-35B-A3B?

Claude Opus 4.5 supports 200K tokens and Qwen3.6-35B-A3B 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 Opus 4.5 and Qwen3.6-35B-A3B?

Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.5 and Qwen3.6-35B-A3B?

Claude Opus 4.5 is developed by Anthropic and Qwen3.6-35B-A3B is developed by Alibaba Cloud / Qwen Team.

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