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Kimi-k1.5 vs Mistral Large 4

Mistral Large 4 leads the LLM Stats Score 46.2 to 17.1.

Moonshot AI · Mistral AI · Updated for 2026

Which is better?

Mistral Large 4 leads the overall LLM Stats Score 46.2 to 17.1, ranking #34 overall.

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

Choose Kimi-k1.5

  • you are already invested in the Moonshot AI ecosystem

Choose Mistral Large 4

  • overall performance matters — it scores 46.2 and ranks #34 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Kimi-k1.5
Moonshot AI
Mistral Large 4
Mistral AI
Core performance indexes
LLM Stats Score
17.1
#234
46.2
#34
Reasoning
16.4
#231
44.0
#43
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.68 / M
Output price
— / M
$2.09 / M
Context window
—
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Kimi-k1.5
Mistral Large 4
Vision
11.0#121
1.1#187
Multimodal
14.6#103
1.7#160
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Kimi-k1.5 · 18 for Mistral Large 4

No common benchmarks found

Kimi-k1.5 and Mistral Large 4don'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

Context Window

Maximum input and output token capacity

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

Moonshot AI
Kimi-k1.5
Input- tokens
Output- tokens
Mistral AI
Mistral Large 4
Input1,000,000 tokens
Output- tokens
Thu Oct 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Kimi-k1.5 and Mistral Large 4 support multimodal inputs.

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

Kimi-k1.5

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.

Kimi-k1.5

Proprietary

Closed source

Mistral Large 4

Proprietary

Closed source

Release Timeline

When each model was launched

Kimi-k1.5 was released on 2025-01-20, while Mistral Large 4 was released on 2026-10-06.

Mistral Large 4 is 21 months newer than Kimi-k1.5.

Kimi-k1.5

Jan 20, 2025

1.7 years ago

Mistral Large 4

Oct 6, 2026

2 days ago

1.7yr 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

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Kimi-k1.5 and Mistral Large 4 side-by-side, then vote on the output you prefer.

Kimi-k1.5
✓ Preferred
Mistral Large 4
Open in Playground

FAQ

Common questions about Kimi-k1.5 vs Mistral Large 4.

Which is better, Kimi-k1.5 or Mistral Large 4?

Mistral Large 4 leads the LLM Stats Score 46.2 to 17.1. Kimi-k1.5 is made by Moonshot AI 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 Kimi-k1.5 compare to Mistral Large 4 in benchmarks?

Kimi-k1.5 scores MATH-500: 96.2%, CLUEWSC: 91.4%, C-Eval: 88.3%, MMLU: 87.4%, IFEval: 87.2%. Mistral Large 4 scores B3 AI Security Benchmark: 93.3%, CyBench: 93.0%, SciCode: 91.8%, KORABench: 84.5%, CyberGym: 82.0%.

What are the context window sizes for Kimi-k1.5 and Mistral Large 4?

Kimi-k1.5 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 Kimi-k1.5 and Mistral Large 4?

Key differences include LLM Stats Score (17.1 vs 46.2). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi-k1.5 and Mistral Large 4?

Kimi-k1.5 is developed by Moonshot AI and Mistral Large 4 is developed by Mistral AI.

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