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Claude Opus 5.5 vs Qwen3-Next-80B-A3B-Base

Comparing Claude Opus 5.5 and Qwen3-Next-80B-A3B-Base across benchmarks, pricing, and capabilities.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Claude Opus 5.5 and Qwen3-Next-80B-A3B-Base trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Opus 5.5

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

Choose Qwen3-Next-80B-A3B-Base

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

At a glance

The differences that matter most.

Claude Opus 5.5
Anthropic
Qwen3-Next-80B-A3B-Base
Alibaba Cloud / Qwen Team
Benchmark wins
—
—
Input price
$4.00 / M
— / M
Output price
$20.00 / M
— / M
Context window
1,000,000
—

Individual benchmarks

31 reported for Claude Opus 5.5 · 0 for Qwen3-Next-80B-A3B-Base

No common benchmarks found

Claude Opus 5.5 and Qwen3-Next-80B-A3B-Basedon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude Opus 5.5 specifies input context (1,000,000 tokens). Only Claude Opus 5.5 specifies output context (128,000 tokens).

Anthropic
Claude Opus 5.5
Input1,000,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen3-Next-80B-A3B-Base
Input- tokens
Output- tokens
Wed Sep 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Opus 5.5 supports multimodal inputs, whereas Qwen3-Next-80B-A3B-Base does not.

Claude Opus 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5.5

Text
Images
Audio
Video

Qwen3-Next-80B-A3B-Base

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5.5 is licensed under a proprietary license, while Qwen3-Next-80B-A3B-Base uses Apache 2.0.

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

Claude Opus 5.5

Proprietary

Closed source

Qwen3-Next-80B-A3B-Base

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Opus 5.5 was released on 2026-09-22, while Qwen3-Next-80B-A3B-Base was released on 2025-09-10.

Claude Opus 5.5 is 13 months newer than Qwen3-Next-80B-A3B-Base.

Claude Opus 5.5

Sep 22, 2026

0 days ago

1.0yr newer
Qwen3-Next-80B-A3B-Base

Sep 10, 2025

1.0 years ago

Knowledge Cutoff

When training data ends

Claude Opus 5.5 has a documented knowledge cutoff of 2026-06-01, while Qwen3-Next-80B-A3B-Base's cutoff date is not specified.

We can confirm Claude Opus 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without Qwen3-Next-80B-A3B-Base's cutoff date.

Claude Opus 5.5

Jun 2026

Qwen3-Next-80B-A3B-Base

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Opus 5.5 and Qwen3-Next-80B-A3B-Base side-by-side, then vote on the output you prefer.

Claude Opus 5.5
✓ Preferred
Qwen3-Next-80B-A3B-Base
Open in Playground

FAQ

Common questions about Claude Opus 5.5 vs Qwen3-Next-80B-A3B-Base.

Which is better, Claude Opus 5.5 or Qwen3-Next-80B-A3B-Base?

Claude Opus 5.5 (Anthropic) and Qwen3-Next-80B-A3B-Base (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 Opus 5.5 compare to Qwen3-Next-80B-A3B-Base in benchmarks?

Claude Opus 5.5 scores BenchCAD (with Python tool): 96.2%, Global-MMLU: 94.3%, SWE-bench Multilingual: 93.9%, MILU: 93.1%, ArXivMath: 91.2%.

What are the context window sizes for Claude Opus 5.5 and Qwen3-Next-80B-A3B-Base?

Claude Opus 5.5 supports 1.0M tokens and Qwen3-Next-80B-A3B-Base 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 5.5 and Qwen3-Next-80B-A3B-Base?

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 Opus 5.5 and Qwen3-Next-80B-A3B-Base?

Claude Opus 5.5 is developed by Anthropic and Qwen3-Next-80B-A3B-Base is developed by Alibaba Cloud / Qwen Team.

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