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Claude Fable 5.2 vs Grok-2 mini

Claude Fable 5.2 leads the LLM Stats Score 61.3 to 8.1.

Anthropic · xAI · Updated for 2026

Which is better?

Claude Fable 5.2 leads the overall LLM Stats Score 61.3 to 8.1, 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 Grok-2 mini

  • you are already invested in the xAI ecosystem

At a glance

The differences that matter most.

Claude Fable 5.2
Anthropic
Grok-2 mini
xAI
Core performance indexes
LLM Stats Score
61.3
#1
8.1
#320
Reasoning
60.3
#1
7.7
#319
Coding
50.7
#1
5.7
#231
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

3 shared
Index
Claude Fable 5.2
Grok-2 mini
Math
46.8#2
15.7#232
Vision
48.1#1
5.4#182
Multimodal
44.5#1
8.5#149
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

29 reported for Claude Fable 5.2 · 8 for Grok-2 mini

No common benchmarks found

Claude Fable 5.2 and Grok-2 minidon'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
xAI
Grok-2 mini
Input- tokens
Output- tokens
Tue Nov 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.2 and Grok-2 mini 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

Grok-2 mini

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

Grok-2 mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Fable 5.2 was released on 2026-11-09, while Grok-2 mini was released on 2024-08-13.

Claude Fable 5.2 is 27 months newer than Grok-2 mini.

Claude Fable 5.2

Nov 9, 2026

0 days ago

2.2yr newer
Grok-2 mini

Aug 13, 2024

2.2 years ago

Knowledge Cutoff

When training data ends

Claude Fable 5.2 has a documented knowledge cutoff of 2026-06-01, while Grok-2 mini'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 Grok-2 mini's cutoff date.

Claude Fable 5.2

Jun 2026

Grok-2 mini

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

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

Claude Fable 5.2
✓ Preferred
Grok-2 mini
Open in Playground

FAQ

Common questions about Claude Fable 5.2 vs Grok-2 mini.

Which is better, Claude Fable 5.2 or Grok-2 mini?

Claude Fable 5.2 leads the LLM Stats Score 61.3 to 8.1. Claude Fable 5.2 is made by Anthropic and Grok-2 mini is made by xAI. 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 Grok-2 mini 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%. Grok-2 mini scores DocVQA: 93.2%, MMLU: 86.2%, HumanEval: 85.7%, MATH: 73.0%, MMLU-Pro: 72.0%.

What are the context window sizes for Claude Fable 5.2 and Grok-2 mini?

Claude Fable 5.2 supports 1.0M tokens and Grok-2 mini 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 Grok-2 mini?

Key differences include LLM Stats Score (61.3 vs 8.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.2 and Grok-2 mini?

Claude Fable 5.2 is developed by Anthropic and Grok-2 mini is developed by xAI.

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