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Claude Fable 5.1 vs QvQ-72B-Preview

Claude Fable 5.1 leads the LLM Stats Score 57.0 to 8.1.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Claude Fable 5.1 leads the overall LLM Stats Score 57.0 to 8.1, ranking #1 overall.

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

Choose Claude Fable 5.1

  • overall performance matters — it scores 57.0 and ranks #1 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose QvQ-72B-Preview

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

At a glance

The differences that matter most.

Claude Fable 5.1
Anthropic
QvQ-72B-Preview
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
57.0
#1
8.1
#271
Reasoning
54.5
#4
8.4
#263
Cost, coverage & limits
Benchmark wins
—
—
Input price
$10.00 / M
— / M
Output price
$50.00 / M
— / M
Context window
1,000,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude Fable 5.1
QvQ-72B-Preview
Vision
40.8#1
6.8#140
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for Claude Fable 5.1 · 4 for QvQ-72B-Preview

No common benchmarks found

Claude Fable 5.1 and QvQ-72B-Previewdon'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
QvQ-72B-Preview
Input- tokens
Output- tokens
Thu Sep 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.1 and QvQ-72B-Preview support multimodal inputs.

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

Claude Fable 5.1

Text
Images
Audio
Video

QvQ-72B-Preview

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Fable 5.1 is licensed under a proprietary license, while QvQ-72B-Preview uses Qwen.

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

Claude Fable 5.1

Proprietary

Closed source

QvQ-72B-Preview

Qwen

Open weights

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while QvQ-72B-Preview was released on 2024-12-25.

Claude Fable 5.1 is 21 months newer than QvQ-72B-Preview.

Claude Fable 5.1

Sep 1, 2026

1 days ago

1.7yr newer
QvQ-72B-Preview

Dec 25, 2024

1.7 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 QvQ-72B-Preview side-by-side, then vote on the output you prefer.

Claude Fable 5.1
✓ Preferred
QvQ-72B-Preview
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs QvQ-72B-Preview.

Which is better, Claude Fable 5.1 or QvQ-72B-Preview?

Claude Fable 5.1 leads the LLM Stats Score 57.0 to 8.1. Claude Fable 5.1 is made by Anthropic and QvQ-72B-Preview is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Fable 5.1 compare to QvQ-72B-Preview 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%. QvQ-72B-Preview scores MathVista: 71.4%, MMMU: 70.3%, MathVision: 35.9%, OlympiadBench: 20.4%.

What are the context window sizes for Claude Fable 5.1 and QvQ-72B-Preview?

Claude Fable 5.1 supports 1.0M tokens and QvQ-72B-Preview 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 QvQ-72B-Preview?

Key differences include LLM Stats Score (57.0 vs 8.1), licensing (Proprietary vs Qwen). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.1 and QvQ-72B-Preview?

Claude Fable 5.1 is developed by Anthropic and QvQ-72B-Preview is developed by Alibaba Cloud / Qwen Team.

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