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Claude Fable 5.1 vs DeepSeek R1 Distill Qwen 1.5B

Claude Fable 5.1 leads the LLM Stats Score 54.8 to -2.7.

Anthropic · DeepSeek · Updated for 2026

Which is better?

Claude Fable 5.1 leads the overall LLM Stats Score 54.8 to -2.7, 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 DeepSeek R1 Distill Qwen 1.5B

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

At a glance

The differences that matter most.

Claude Fable 5.1
Anthropic
DeepSeek R1 Distill Qwen 1.5B
DeepSeek
Core performance indexes
LLM Stats Score
54.8
#5
-2.7
#326
Reasoning
52.1
#7
-2.4
#316
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 · 4 for DeepSeek R1 Distill Qwen 1.5B

No common benchmarks found

Claude Fable 5.1 and DeepSeek R1 Distill Qwen 1.5Bdon'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
DeepSeek
DeepSeek R1 Distill Qwen 1.5B
Input- tokens
Output- tokens
Tue Sep 01 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Fable 5.1 supports multimodal inputs, whereas DeepSeek R1 Distill Qwen 1.5B 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

DeepSeek R1 Distill Qwen 1.5B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Fable 5.1 is licensed under a proprietary license, while DeepSeek R1 Distill Qwen 1.5B uses MIT.

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

Claude Fable 5.1

Proprietary

Closed source

DeepSeek R1 Distill Qwen 1.5B

MIT

Open weights

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while DeepSeek R1 Distill Qwen 1.5B was released on 2025-01-20.

Claude Fable 5.1 is 20 months newer than DeepSeek R1 Distill Qwen 1.5B.

Claude Fable 5.1

Sep 1, 2026

0 days ago

1.6yr newer
DeepSeek R1 Distill Qwen 1.5B

Jan 20, 2025

1.6 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 DeepSeek R1 Distill Qwen 1.5B side-by-side, then vote on the output you prefer.

Claude Fable 5.1
✓ Preferred
DeepSeek R1 Distill Qwen 1.5B
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs DeepSeek R1 Distill Qwen 1.5B.

Which is better, Claude Fable 5.1 or DeepSeek R1 Distill Qwen 1.5B?

Claude Fable 5.1 leads the LLM Stats Score 54.8 to -2.7. Claude Fable 5.1 is made by Anthropic and DeepSeek R1 Distill Qwen 1.5B is made by DeepSeek. 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 DeepSeek R1 Distill Qwen 1.5B 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%. DeepSeek R1 Distill Qwen 1.5B scores MATH-500: 83.9%, AIME 2024: 52.7%, GPQA: 33.8%, LiveCodeBench: 16.9%.

What are the context window sizes for Claude Fable 5.1 and DeepSeek R1 Distill Qwen 1.5B?

Claude Fable 5.1 supports 1.0M tokens and DeepSeek R1 Distill Qwen 1.5B 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 DeepSeek R1 Distill Qwen 1.5B?

Key differences include LLM Stats Score (54.8 vs -2.7), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.1 and DeepSeek R1 Distill Qwen 1.5B?

Claude Fable 5.1 is developed by Anthropic and DeepSeek R1 Distill Qwen 1.5B is developed by DeepSeek.

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