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Kimi K3 vs Mistral Large 4

Kimi K3 and Mistral Large 4 are closely matched at 52.1 and 46.2 on the LLM Stats Score. Mistral Large 4 is 5.5x cheaper per token.

Moonshot AI · Mistral AI · Updated for 2026

Which is better?

Kimi K3 and Mistral Large 4 are closely matched on the overall LLM Stats Score at 52.1 and 46.2.

In the 3 individual benchmarks reported for both models, Kimi K3 wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Mistral Large 4 is roughly 5.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Kimi K3 also accepts a larger context window (1,048,576 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 Kimi K3

  • you value its reported benchmark strengths — it wins 2 of 3 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you need open weights you can self-host or fine-tune

Choose Mistral Large 4

  • cost matters — it's about 5.5x cheaper per token
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
52.1
#12
46.2
#34
51.0
#10
44.0
#43
41.1
#9
35.8
#27
37.4
#13
34.3
#26
Cost, coverage & limits
Benchmark wins
2 of 3
1 of 3
Input price
$2.85 / M
$0.68 / M
Output price
$14.25 / M
$2.09 / M
Context window
1,048,576
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Kimi K3
Mistral Large 4
35.9#11
1.1#187
30.5#7
27.1#26
37.5#5
1.7#160
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for Kimi K3 · 18 for Mistral Large 4

3 shared

Kimi K3 outperforms in 2 benchmarks (AA-Briefcase, DeepSWE 1.1), while Mistral Large 4 is better at 1 benchmark (AutomationBench).

Kimi K3 shows notably better performance in the majority of benchmarks.

Mon Oct 12 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, Kimi K3 ($2.85/1M tokens) is 4.2x more expensive than Mistral Large 4 ($0.68/1M tokens).

For output processing, Kimi K3 ($14.25/1M tokens) is 6.8x more expensive than Mistral Large 4 ($2.09/1M tokens).

In conclusion, Kimi K3 is more expensive than Mistral Large 4.*

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

Lowest available price from all providers
Mon Oct 12 2026 • llm-stats.com
Moonshot AI
Kimi K3
Input tokens$2.85
Output tokens$14.25
Best providerDeepinfra
Mistral AI
Mistral Large 4
Input tokens$0.68
Output tokens$2.09
Best providerMistral
Notice missing or incorrect data?

Model Size

Parameter count comparison

1750.0B diff

Kimi K3 has 1750.0B more parameters than Mistral Large 4, making it 166.7% larger.

Moonshot AI
Kimi K3
2.8Tparameters
Mistral AI
Mistral Large 4
1.1Tparameters
2800.0B
Kimi K3
1050.0B
Mistral Large 4

Context Window

Maximum input and output token capacity

Kimi K3 accepts 1,048,576 input tokens compared to Mistral Large 4's 1,000,000 tokens. Only Kimi K3 specifies output context (1,048,576 tokens).

Moonshot AI
Kimi K3
Input1,048,576 tokens
Output1,048,576 tokens
Mistral AI
Mistral Large 4
Input1,000,000 tokens
Output- tokens
Mon Oct 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Kimi K3 and Mistral Large 4 support multimodal inputs.

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

Kimi K3

Text
Images
Audio
Video

Mistral Large 4

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K3 is licensed under Kimi K3 License, while Mistral Large 4 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Kimi K3

Kimi K3 License

Open weights

Mistral Large 4

Proprietary

Closed source

Release Timeline

When each model was launched

Kimi K3 was released on 2026-07-16, while Mistral Large 4 was released on 2026-10-06.

Mistral Large 4 is 3 months newer than Kimi K3.

Kimi K3

Jul 16, 2026

2 months ago

Mistral Large 4

Oct 6, 2026

6 days ago

2mo 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

Kimi K3 is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together. Mistral Large 4 is available from Mistral AI.

Kimi K3

deepinfra logo
Deepinfra
Input Price:Input: $2.85/1MOutput Price:Output: $14.25/1M
fireworks logo
Fireworks
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
moonshot logo
Unknown Organization
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
novita logo
Novita
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
together logo
Together
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

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 Kimi K3 and Mistral Large 4 side-by-side, then vote on the output you prefer.

Kimi K3
✓ Preferred
Mistral Large 4
Open in Playground

FAQ

Common questions about Kimi K3 vs Mistral Large 4.

Which is better, Kimi K3 or Mistral Large 4?

Kimi K3 and Mistral Large 4 are closely matched on the LLM Stats Score at 52.1 and 46.2. Kimi K3 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 K3 compare to Mistral Large 4 in benchmarks?

Kimi K3 scores MathVision: 97.8%, DeepSearchQA: 95.0%, GPQA: 93.5%, CharXiv-R: 91.3%, BrowseComp: 91.2%. Mistral Large 4 scores B3 AI Security Benchmark: 93.3%, CyBench: 93.0%, SciCode: 91.8%, KORABench: 84.5%, CyberGym: 82.0%.

Is Kimi K3 cheaper than Mistral Large 4?

Mistral Large 4 is 4.2x cheaper for input tokens. Kimi K3 costs $2.85/M input and $14.25/M output via deepinfra. Mistral Large 4 costs $0.68/M input and $2.09/M output via mistral.

What are the context window sizes for Kimi K3 and Mistral Large 4?

Kimi K3 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 Kimi K3 and Mistral Large 4?

Key differences include LLM Stats Score (52.1 vs 46.2), context window (1.0M vs 1.0M), input pricing ($2.85 vs $0.68/M), licensing (Kimi K3 License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K3 and Mistral Large 4?

Kimi K3 is developed by Moonshot AI and Mistral Large 4 is developed by Mistral AI.