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Claude Mythos Preview vs Mistral Large 4

Claude Mythos Preview leads the LLM Stats Score 54.5 to 46.4. Mistral Large 4 is 48.4x cheaper per token.

Anthropic · Mistral AI · Updated for 2026

Which is better?

Claude Mythos Preview leads the overall LLM Stats Score 54.5 to 46.4, ranking #4 overall.

In the 2 individual benchmarks reported for both models, Claude Mythos Preview wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Mistral Large 4 is roughly 48.4x 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 Preview

  • overall performance matters — it scores 54.5 and ranks #4 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results

Choose Mistral Large 4

  • cost matters — it's about 48.4x cheaper per token

At a glance

The differences that matter most.

Core performance indexes
54.5
#4
46.4
#33
55.3
#4
44.0
#42
44.1
#6
36.5
#24
36.6
#16
34.7
#25
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$25.00 / M
$0.68 / M
Output price
$125.00 / M
$2.09 / M
Context window
—
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Mythos Preview
Mistral Large 4
39.5#5
1.1#186
37.1#7
1.7#159
18.6#10
14.0#16
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Claude Mythos Preview · 15 for Mistral Large 4

2 shared

Claude Mythos Preview outperforms in 2 benchmarks (CyBench, CyberGym), while Mistral Large 4 is better at 0 benchmarks.

Claude Mythos Preview significantly outperforms across most benchmarks.

Wed Oct 07 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 Mythos Preview ($25.00/1M tokens) is 36.8x more expensive than Mistral Large 4 ($0.68/1M tokens).

For output processing, Claude Mythos Preview ($125.00/1M tokens) is 59.8x more expensive than Mistral Large 4 ($2.09/1M tokens).

In conclusion, Claude Mythos Preview is more expensive than Mistral Large 4.*

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

Lowest available price from all providers
Wed Oct 07 2026 • llm-stats.com
Anthropic
Claude Mythos Preview
Input tokens$25.00
Output tokens$125.00
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

Only Mistral Large 4 specifies input context (1,000,000 tokens).

Anthropic
Claude Mythos Preview
Input- tokens
Output- tokens
Mistral AI
Mistral Large 4
Input1,000,000 tokens
Output- tokens
Wed Oct 07 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos Preview and Mistral Large 4 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Mythos Preview

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 Mythos Preview

Proprietary

Closed source

Mistral Large 4

Proprietary

Closed source

Release Timeline

When each model was launched

Mistral Large 4 was released on 2026-10-06, while Claude Mythos Preview's release date is not specified.

We can confirm Mistral Large 4's release timeline, but cannot make a direct age comparison without Claude Mythos Preview's release date.

Claude Mythos Preview

—

Mistral Large 4

Oct 6, 2026

1 days 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 Mythos Preview is available from Anthropic. Mistral Large 4 is available from Mistral AI.

Claude Mythos Preview

anthropic logo
Anthropic
Input Price:Input: $25.00/1MOutput Price:Output: $125.00/1M

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 Mythos Preview and Mistral Large 4 side-by-side, then vote on the output you prefer.

Claude Mythos Preview
✓ Preferred
Mistral Large 4
Open in Playground

FAQ

Common questions about Claude Mythos Preview vs Mistral Large 4.

Which is better, Claude Mythos Preview or Mistral Large 4?

Claude Mythos Preview leads the LLM Stats Score 54.5 to 46.4. Claude Mythos Preview 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 Mythos Preview compare to Mistral Large 4 in benchmarks?

Claude Mythos Preview scores CyBench: 100.0%, USAMO25: 97.6%, GPQA: 94.6%, SWE-Bench Verified: 93.9%, CharXiv-R: 93.2%. Mistral Large 4 scores CyBench: 93.0%, SciCode: 91.8%, CyberGym: 82.0%, Finch (FinWorkBench): 67.4%, ChartQAPro: 63.1%.

Is Claude Mythos Preview cheaper than Mistral Large 4?

Mistral Large 4 is 36.8x cheaper for input tokens. Claude Mythos Preview costs $25.00/M input and $125.00/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 Mythos Preview and Mistral Large 4?

Claude Mythos Preview supports an unknown number of 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 Mythos Preview and Mistral Large 4?

Key differences include LLM Stats Score (54.5 vs 46.4), input pricing ($25.00 vs $0.68/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos Preview and Mistral Large 4?

Claude Mythos Preview is developed by Anthropic and Mistral Large 4 is developed by Mistral AI.