Claude Fable 5.1 vs Mistral Large 3
Claude Fable 5.1 leads the LLM Stats Score 55.9 to 10.4. Mistral Large 3 is 7.3x cheaper per token.
Anthropic · Mistral AI · Updated for 2026
Which is better?
Claude Fable 5.1 leads the overall LLM Stats Score 55.9 to 10.4, ranking #2 overall.
On price, Mistral Large 3 is roughly 7.3x 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 55.9 and ranks #2 on LLM Stats
- your work emphasizes reasoning — 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 Mistral Large 3
- cost matters — it's about 7.3x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
7 reported for Claude Fable 5.1 · 8 for Mistral Large 3
Claude Fable 5.1 and Mistral Large 3don'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
For input processing, Claude Fable 5.1 ($10.00/1M tokens) is 5.0x more expensive than Mistral Large 3 ($2.00/1M tokens).
For output processing, Claude Fable 5.1 ($50.00/1M tokens) is 10.0x more expensive than Mistral Large 3 ($5.00/1M tokens).
In conclusion, Claude Fable 5.1 is more expensive than Mistral Large 3.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Fable 5.1 accepts 1,000,000 input tokens compared to Mistral Large 3's 128,000 tokens. Claude Fable 5.1 can generate longer responses up to 128,000 tokens, while Mistral Large 3 is limited to 8,192 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Fable 5.1 and Mistral Large 3 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Fable 5.1
Mistral Large 3
License
Usage and distribution terms
Claude Fable 5.1 is licensed under a proprietary license, while Mistral Large 3 uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Claude Fable 5.1 was released on 2026-09-01, while Mistral Large 3 was released on 2025-09-01.
Claude Fable 5.1 is 12 months newer than Mistral Large 3.
Sep 1, 2026
1 weeks ago
1.0yr newerSep 1, 2025
1.0 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude Fable 5.1 is available from Anthropic. Mistral Large 3 is available from Mistral AI.
Claude Fable 5.1
Mistral Large 3
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Fable 5.1 and Mistral Large 3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Fable 5.1 vs Mistral Large 3.