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Claude Fable 5.1 vs Qwen3-Next-80B-A3B-Base

Comparing Claude Fable 5.1 and Qwen3-Next-80B-A3B-Base across benchmarks, pricing, and capabilities.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Claude Fable 5.1 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 Fable 5.1

  • 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 Fable 5.1
Anthropic
Qwen3-Next-80B-A3B-Base
Alibaba Cloud / Qwen Team
Benchmark wins
—
—
Input price
$10.00 / M
— / M
Output price
$50.00 / M
— / M
Context window
1,000,000
—

Individual benchmarks

7 reported for Claude Fable 5.1 · 0 for Qwen3-Next-80B-A3B-Base

No common benchmarks found

Claude Fable 5.1 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 Fable 5.1 specifies input context (1,000,000 tokens). Only Claude Fable 5.1 specifies output context (128,000 tokens).

Anthropic
Claude Fable 5.1
Input1,000,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen3-Next-80B-A3B-Base
Input- tokens
Output- tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Fable 5.1 supports multimodal inputs, whereas Qwen3-Next-80B-A3B-Base does not.

Claude Fable 5.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Fable 5.1

Text
Images
Audio
Video

Qwen3-Next-80B-A3B-Base

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Fable 5.1 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 Fable 5.1

Proprietary

Closed source

Qwen3-Next-80B-A3B-Base

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while Qwen3-Next-80B-A3B-Base was released on 2025-09-10.

Claude Fable 5.1 is 12 months newer than Qwen3-Next-80B-A3B-Base.

Claude Fable 5.1

Sep 1, 2026

2 weeks ago

11mo newer
Qwen3-Next-80B-A3B-Base

Sep 10, 2025

1.0 years ago

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→

Judge for yourself.

Run your own prompts against Claude Fable 5.1 and Qwen3-Next-80B-A3B-Base side-by-side, then vote on the output you prefer.

Claude Fable 5.1
✓ Preferred
Qwen3-Next-80B-A3B-Base
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs Qwen3-Next-80B-A3B-Base.

Which is better, Claude Fable 5.1 or Qwen3-Next-80B-A3B-Base?

Claude Fable 5.1 (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 Fable 5.1 compare to Qwen3-Next-80B-A3B-Base in benchmarks?

Claude Fable 5.1 scores OSWorld 2.0: 77.9%, CursorBench v3.2: 73.4%, Humanity's Last Exam: 65.0%, GDPval-AA: 61.8%, Terminal-Bench 4.0: 55.8%.

What are the context window sizes for Claude Fable 5.1 and Qwen3-Next-80B-A3B-Base?

Claude Fable 5.1 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 Fable 5.1 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 Fable 5.1 and Qwen3-Next-80B-A3B-Base?

Claude Fable 5.1 is developed by Anthropic and Qwen3-Next-80B-A3B-Base is developed by Alibaba Cloud / Qwen Team.

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