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Claude Fable 5.1 vs Qwen2 7B Instruct

Claude Fable 5.1 leads the LLM Stats Score 54.8 to -4.2.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Claude Fable 5.1 leads the overall LLM Stats Score 54.8 to -4.2, ranking #5 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 54.8 and ranks #5 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Qwen2 7B Instruct

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

At a glance

The differences that matter most.

Claude Fable 5.1
Anthropic
Qwen2 7B Instruct
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
54.8
#5
-4.2
#332
Reasoning
52.1
#7
-3.9
#324
Cost, coverage & limits
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 · 14 for Qwen2 7B Instruct

No common benchmarks found

Claude Fable 5.1 and Qwen2 7B Instructdon'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
Qwen2 7B Instruct
Input- tokens
Output- tokens
Wed Sep 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Fable 5.1 supports multimodal inputs, whereas Qwen2 7B Instruct 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

Qwen2 7B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Fable 5.1 is licensed under a proprietary license, while Qwen2 7B Instruct 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

Qwen2 7B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while Qwen2 7B Instruct was released on 2024-07-23.

Claude Fable 5.1 is 26 months newer than Qwen2 7B Instruct.

Claude Fable 5.1

Sep 1, 2026

1 days ago

2.1yr newer
Qwen2 7B Instruct

Jul 23, 2024

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

Claude Fable 5.1
✓ Preferred
Qwen2 7B Instruct
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs Qwen2 7B Instruct.

Which is better, Claude Fable 5.1 or Qwen2 7B Instruct?

Claude Fable 5.1 leads the LLM Stats Score 54.8 to -4.2. Claude Fable 5.1 is made by Anthropic and Qwen2 7B Instruct 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 Qwen2 7B Instruct 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%. Qwen2 7B Instruct scores MT-Bench: 84.1%, GSM8k: 82.3%, HumanEval: 79.9%, C-Eval: 77.2%, AlignBench: 72.1%.

What are the context window sizes for Claude Fable 5.1 and Qwen2 7B Instruct?

Claude Fable 5.1 supports 1.0M tokens and Qwen2 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 Fable 5.1 and Qwen2 7B Instruct?

Key differences include LLM Stats Score (54.8 vs -4.2), 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 Qwen2 7B Instruct?

Claude Fable 5.1 is developed by Anthropic and Qwen2 7B Instruct is developed by Alibaba Cloud / Qwen Team.

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