Claude Mythos 5.1 vs Mistral Large 4
Claude Mythos 5.1 and Mistral Large 4 are closely matched at 44.3 and 45.8 on the LLM Stats Score. Mistral Large 4 is 19.4x cheaper per token.
Anthropic · Mistral AI · Updated for 2026
Which is better?
Claude Mythos 5.1 and Mistral Large 4 are closely matched on the overall LLM Stats Score at 44.3 and 45.8.
In the 1 individual benchmarks reported for both models, Claude Mythos 5.1 wins 1; this is a narrower head-to-head signal than the composite indexes.
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 Mythos 5.1
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
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.
Individual benchmarks
1 reported for Claude Mythos 5.1 · 18 for Mistral Large 4
Claude Mythos 5.1 outperforms in 1 benchmarks (Terminal-Bench 4.0), while Mistral Large 4 is better at 0 benchmarks.
Claude Mythos 5.1 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Mythos 5.1 ($10.00/1M tokens) is 14.7x more expensive than Mistral Large 4 ($0.68/1M tokens).
For output processing, Claude Mythos 5.1 ($50.00/1M tokens) is 23.9x more expensive than Mistral Large 4 ($2.09/1M tokens).
In conclusion, Claude Mythos 5.1 is more expensive than Mistral Large 4.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,000,000 tokens. Only Claude Mythos 5.1 specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
Both Claude Mythos 5.1 and Mistral Large 4 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Mythos 5.1
Mistral Large 4
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Mythos 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 Mythos 5.1.
Sep 1, 2026
1 months ago
Oct 6, 2026
1 weeks ago
1mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude Mythos 5.1 is available from Anthropic. Mistral Large 4 is available from Mistral AI.
Claude Mythos 5.1
Mistral Large 4
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Mythos 5.1 and Mistral Large 4 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Mythos 5.1 vs Mistral Large 4.