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Claude Fable 5.1 vs Command A+

Claude Fable 5.1 leads the LLM Stats Score 55.9 to 24.0.

Anthropic · Cohere · Updated for 2026

Which is better?

Claude Fable 5.1 leads the overall LLM Stats Score 55.9 to 24.0, ranking #2 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 55.9 and ranks #2 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Command A+

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

At a glance

The differences that matter most.

Core performance indexes
55.9
#2
24.0
#167
53.0
#5
21.5
#178
35.5
#25
7.3
#184
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
Command A+
41.8#1
12.4#102
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for Claude Fable 5.1 · 15 for Command A+

No common benchmarks found

Claude Fable 5.1 and Command A+don'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
Cohere
Command A+
Input- tokens
Output- tokens
Fri Sep 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.1 and Command A+ 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

Command A+

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Fable 5.1 is licensed under a proprietary license, while Command A+ 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

Command A+

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while Command A+ was released on 2026-05-20.

Claude Fable 5.1 is 3 months newer than Command A+.

Claude Fable 5.1

Sep 1, 2026

1 weeks ago

3mo newer
Command A+

May 20, 2026

3 months 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 Command A+ side-by-side, then vote on the output you prefer.

Claude Fable 5.1
✓ Preferred
Command A+
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs Command A+.

Which is better, Claude Fable 5.1 or Command A+?

Claude Fable 5.1 leads the LLM Stats Score 55.9 to 24.0. Claude Fable 5.1 is made by Anthropic and Command A+ is made by Cohere. 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 Command A+ 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%. Command A+ scores AIME 2025: 90.0%, CharXiv-D: 88.0%, MT-AIME 2025: 86.0%, Tau2 Telecom: 85.0%, WMT24++: 81.0%.

What are the context window sizes for Claude Fable 5.1 and Command A+?

Claude Fable 5.1 supports 1.0M tokens and Command A+ 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 Command A+?

Key differences include LLM Stats Score (55.9 vs 24.0), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.1 and Command A+?

Claude Fable 5.1 is developed by Anthropic and Command A+ is developed by Cohere.