The AI arena is free today

Open Superagent

Claude Fable 5.1 vs Mistral Large 4

Claude Fable 5.1 leads the LLM Stats Score 53.6 to 46.2. Mistral Large 4 is 19.4x cheaper per token.

Anthropic · Mistral AI · Updated for 2026

Which is better?

Claude Fable 5.1 leads the overall LLM Stats Score 53.6 to 46.2, ranking #8 overall.

The models split the 2 individual benchmarks reported for both models evenly.

On price, Mistral Large 4 is roughly 19.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose Claude Fable 5.1

  • overall performance matters — it scores 53.6 and ranks #8 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes

Choose Mistral Large 4

  • cost matters — it's about 19.4x cheaper per token
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Claude Fable 5.1
Anthropic
Mistral Large 4
Mistral AI
Core performance indexes
LLM Stats Score
53.6
#8
46.2
#34
Reasoning
51.2
#10
44.4
#38
Coding
34.6
#33
35.4
#27
Agents
38.3
#10
34.0
#26
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
$10.00 / M
$0.68 / M
Output price
$50.00 / M
$2.09 / M
Context window
1,000,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Fable 5.1
Mistral Large 4
Vision
40.9#3
1.1#189
Tool use
27.0#25
29.1#17
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for Claude Fable 5.1 · 18 for Mistral Large 4

2 shared

Claude Fable 5.1 outperforms in 1 benchmarks (Terminal-Bench 4.0), while Mistral Large 4 is better at 1 benchmark (AutomationBench).

Both models are evenly matched across the benchmarks.

Sat Oct 17 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Mistral Large 4 costs less

For input processing, Claude Fable 5.1 ($10.00/1M tokens) is 14.7x more expensive than Mistral Large 4 ($0.68/1M tokens).

For output processing, Claude Fable 5.1 ($50.00/1M tokens) is 23.9x more expensive than Mistral Large 4 ($2.09/1M tokens).

In conclusion, Claude Fable 5.1 is more expensive than Mistral Large 4.*

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

Lowest available price from all providers
Sat Oct 17 2026 • llm-stats.com
Anthropic
Claude Fable 5.1
Input tokens$10.00
Output tokens$50.00
Best providerAnthropic
Mistral AI
Mistral Large 4
Input tokens$0.68
Output tokens$2.09
Best providerMistral
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 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
Mistral AI
Mistral Large 4
Input1,000,000 tokens
Output- tokens
Sat Oct 17 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.1 and Mistral Large 4 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

Mistral Large 4

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 5.1

Proprietary

Closed source

Mistral Large 4

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while Mistral Large 4 was released on 2026-10-06.

Mistral Large 4 is 1 month newer than Claude Fable 5.1.

Claude Fable 5.1

Sep 1, 2026

1 months ago

Mistral Large 4

Oct 6, 2026

1 weeks ago

1mo newer

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. Mistral Large 4 is available from Mistral AI.

Claude Fable 5.1

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

Mistral Large 4

mistral logo
Mistral
Input Price:Input: $0.68/1MOutput Price:Output: $2.09/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Fable 5.1 and Mistral Large 4 side-by-side, then vote on the output you prefer.

Claude Fable 5.1
✓ Preferred
Mistral Large 4
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs Mistral Large 4.

Which is better, Claude Fable 5.1 or Mistral Large 4?

Claude Fable 5.1 leads the LLM Stats Score 53.6 to 46.2. Claude Fable 5.1 is made by Anthropic and Mistral Large 4 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 Mistral Large 4 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%. Mistral Large 4 scores B3 AI Security Benchmark: 93.3%, CyBench: 93.0%, SciCode: 91.8%, KORABench: 84.5%, CyberGym: 82.0%.

Is Claude Fable 5.1 cheaper than Mistral Large 4?

Mistral Large 4 is 14.7x cheaper for input tokens. Claude Fable 5.1 costs $10.00/M input and $50.00/M output via anthropic. Mistral Large 4 costs $0.68/M input and $2.09/M output via mistral.

What are the context window sizes for Claude Fable 5.1 and Mistral Large 4?

Claude Fable 5.1 supports 1.0M tokens and Mistral Large 4 supports 1.0M 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 Mistral Large 4?

Key differences include LLM Stats Score (53.6 vs 46.2), input pricing ($10.00 vs $0.68/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.1 and Mistral Large 4?

Claude Fable 5.1 is developed by Anthropic and Mistral Large 4 is developed by Mistral AI.

Related comparisons