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Claude Fable 5.2 vs Nova 2 Pro

Claude Fable 5.2 leads the LLM Stats Score 61.3 to 30.1.

Anthropic · Amazon · Updated for 2026

Which is better?

Claude Fable 5.2 leads the overall LLM Stats Score 61.3 to 30.1, ranking #1 overall.

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

Choose Claude Fable 5.2

  • overall performance matters — it scores 61.3 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Nov 2026

Choose Nova 2 Pro

  • you are already invested in the Amazon ecosystem

At a glance

The differences that matter most.

Core performance indexes
61.3
#1
30.1
#152
60.3
#1
30.1
#149
50.7
#1
19.2
#133
47.1
#1
11.1
#145
Cost, coverage & limits
Benchmark wins
—
—
Input price
$8.00 / M
— / M
Output price
$40.00 / M
— / M
Context window
1,000,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
Claude Fable 5.2
Nova 2 Pro
46.8#2
25.9#119
48.1#1
12.1#127
37.1#2
14.4#120
44.5#1
9.4#143
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

29 reported for Claude Fable 5.2 · 18 for Nova 2 Pro

No common benchmarks found

Claude Fable 5.2 and Nova 2 Prodon'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 5.2 specifies input context (1,000,000 tokens). Only Claude Fable 5.2 specifies output context (128,000 tokens).

Anthropic
Claude Fable 5.2
Input1,000,000 tokens
Output128,000 tokens
Amazon
Nova 2 Pro
Input- tokens
Output- tokens
Wed Nov 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.2 and Nova 2 Pro support multimodal inputs.

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

Claude Fable 5.2

Text
Images
Audio
Video

Nova 2 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Fable 5.2

Proprietary

Closed source

Nova 2 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Fable 5.2 was released on 2026-11-09, while Nova 2 Pro was released on 2025-12-02.

Claude Fable 5.2 is 11 months newer than Nova 2 Pro.

Claude Fable 5.2

Nov 9, 2026

1 days ago

11mo newer
Nova 2 Pro

Dec 2, 2025

11 months ago

Knowledge Cutoff

When training data ends

Claude Fable 5.2 has a documented knowledge cutoff of 2026-06-01, while Nova 2 Pro's cutoff date is not specified.

We can confirm Claude Fable 5.2's training data extends to 2026-06-01, but cannot make a direct comparison without Nova 2 Pro's cutoff date.

Claude Fable 5.2

Jun 2026

Nova 2 Pro

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Fable 5.2 and Nova 2 Pro side-by-side, then vote on the output you prefer.

Claude Fable 5.2
✓ Preferred
Nova 2 Pro
Open in Playground

FAQ

Common questions about Claude Fable 5.2 vs Nova 2 Pro.

Which is better, Claude Fable 5.2 or Nova 2 Pro?

Claude Fable 5.2 leads the LLM Stats Score 61.3 to 30.1. Claude Fable 5.2 is made by Anthropic and Nova 2 Pro is made by Amazon. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Fable 5.2 compare to Nova 2 Pro in benchmarks?

Claude Fable 5.2 scores SWE-bench Multilingual: 96.6%, Global-MMLU: 96.0%, MILU: 94.1%, SWE-Bench Pro: 93.0%, Chartography: 91.6%. Nova 2 Pro scores Tau2 Telecom: 92.7%, AIME 2025: 92.3%, ScreenSpot: 88.1%, LongCodeBench: 84.0%, MMLU-Pro: 81.6%.

What are the context window sizes for Claude Fable 5.2 and Nova 2 Pro?

Claude Fable 5.2 supports 1.0M tokens and Nova 2 Pro 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 5.2 and Nova 2 Pro?

Key differences include LLM Stats Score (61.3 vs 30.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.2 and Nova 2 Pro?

Claude Fable 5.2 is developed by Anthropic and Nova 2 Pro is developed by Amazon.