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Claude Fable 5.1 vs Pixtral-12B

Claude Fable 5.1 leads the LLM Stats Score 56.9 to -1.4. Pixtral-12B is 133.3x cheaper per token.

Anthropic · Mistral AI · Updated for 2026

Which is better?

Claude Fable 5.1 leads the overall LLM Stats Score 56.9 to -1.4, ranking #1 overall.

On price, Pixtral-12B is roughly 133.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Fable 5.1 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Claude Fable 5.1

  • overall performance matters — it scores 56.9 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Pixtral-12B

  • cost matters — it's about 133.3x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Fable 5.1
Anthropic
Pixtral-12B
Mistral AI
Core performance indexes
LLM Stats Score
56.9
#1
-1.4
#322
Reasoning
54.6
#4
-3.4
#322
Coding
37.8
#15
-2.5
#239
Cost, coverage & limits
Benchmark wins
—
—
Input price
$10.00 / M
$0.15 / M
Output price
$50.00 / M
$0.15 / M
Context window
1,000,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude Fable 5.1
Pixtral-12B
Vision
40.8#1
0.6#173
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for Claude Fable 5.1 · 12 for Pixtral-12B

No common benchmarks found

Claude Fable 5.1 and Pixtral-12Bdon'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

Pricing Analysis

Price comparison per million tokens

Pixtral-12B costs less

For input processing, Claude Fable 5.1 ($10.00/1M tokens) is 66.7x more expensive than Pixtral-12B ($0.15/1M tokens).

For output processing, Claude Fable 5.1 ($50.00/1M tokens) is 333.3x more expensive than Pixtral-12B ($0.15/1M tokens).

In conclusion, Claude Fable 5.1 is more expensive than Pixtral-12B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Wed Sep 02 2026 • llm-stats.com
Anthropic
Claude Fable 5.1
Input tokens$10.00
Output tokens$50.00
Best providerAnthropic
Mistral AI
Pixtral-12B
Input tokens$0.15
Output tokens$0.15
Best providerMistral
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Fable 5.1 accepts 1,000,000 input tokens compared to Pixtral-12B's 128,000 tokens. Claude Fable 5.1 can generate longer responses up to 128,000 tokens, while Pixtral-12B is limited to 8,192 tokens.

Anthropic
Claude Fable 5.1
Input1,000,000 tokens
Output128,000 tokens
Mistral AI
Pixtral-12B
Input128,000 tokens
Output8,192 tokens
Wed Sep 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.1 and Pixtral-12B 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

Pixtral-12B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Fable 5.1 is licensed under a proprietary license, while Pixtral-12B 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

Pixtral-12B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while Pixtral-12B was released on 2024-09-17.

Claude Fable 5.1 is 24 months newer than Pixtral-12B.

Claude Fable 5.1

Sep 1, 2026

1 days ago

2.0yr newer
Pixtral-12B

Sep 17, 2024

2.0 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

Provider Availability

Claude Fable 5.1 is available from Anthropic. Pixtral-12B is available from Mistral AI.

Claude Fable 5.1

anthropic logo
Anthropic
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M

Pixtral-12B

mistral logo
Mistral
Input Price:Input: $0.15/1MOutput Price:Output: $0.15/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Fable 5.1 and Pixtral-12B side-by-side, then vote on the output you prefer.

Claude Fable 5.1
✓ Preferred
Pixtral-12B
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs Pixtral-12B.

Which is better, Claude Fable 5.1 or Pixtral-12B?

Claude Fable 5.1 leads the LLM Stats Score 56.9 to -1.4. Claude Fable 5.1 is made by Anthropic and Pixtral-12B is made by Mistral AI. 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 Pixtral-12B 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%. Pixtral-12B scores DocVQA: 90.7%, ChartQA: 81.8%, VQAv2: 78.6%, MT-Bench: 76.8%, HumanEval: 72.0%.

Is Claude Fable 5.1 cheaper than Pixtral-12B?

Pixtral-12B is 66.7x cheaper for input tokens. Claude Fable 5.1 costs $10.00/M input and $50.00/M output via anthropic. Pixtral-12B costs $0.15/M input and $0.15/M output via mistral.

What are the context window sizes for Claude Fable 5.1 and Pixtral-12B?

Claude Fable 5.1 supports 1.0M tokens and Pixtral-12B supports 128K 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 Pixtral-12B?

Key differences include LLM Stats Score (56.9 vs -1.4), context window (1.0M vs 128K), input pricing ($10.00 vs $0.15/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.1 and Pixtral-12B?

Claude Fable 5.1 is developed by Anthropic and Pixtral-12B is developed by Mistral AI.

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