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Kimi K2-Instruct-0905 vs Mistral Small 3.1 24B Instruct

Kimi K2-Instruct-0905 leads the LLM Stats Score 21.7 to 4.3.

Moonshot AI · Mistral AI · Updated for 2026

Which is better?

Kimi K2-Instruct-0905 leads the overall LLM Stats Score 21.7 to 4.3, ranking #176 overall.

In the 4 individual benchmarks reported for both models, Kimi K2-Instruct-0905 wins 4; this is a narrower head-to-head signal than the composite indexes.

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

Choose Kimi K2-Instruct-0905

  • overall performance matters — it scores 21.7 and ranks #176 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results
  • you want the most recent training data — it shipped Sep 2025

Choose Mistral Small 3.1 24B Instruct

  • you are already invested in the Mistral AI ecosystem

At a glance

The differences that matter most.

Kimi K2-Instruct-0905
Moonshot AI
Mistral Small 3.1 24B Instruct
Mistral AI
Core performance indexes
LLM Stats Score
21.7
#176
4.3
#291
Reasoning
22.0
#164
4.4
#284
Coding
10.0
#160
9.8
#163
Cost, coverage & limits
Benchmark wins
4 of 4
0 of 4
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Kimi K2-Instruct-0905
Mistral Small 3.1 24B Instruct
Math
21.8#137
8.2#254
Finance
24.6#57
7.6#152
Legal
24.6#47
7.6#135
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

29 reported for Kimi K2-Instruct-0905 · 9 for Mistral Small 3.1 24B Instruct

4 shared

Kimi K2-Instruct-0905 outperforms in 4 benchmarks (GPQA, MMLU, MMLU-Pro, SimpleQA), while Mistral Small 3.1 24B Instruct is better at 0 benchmarks.

Kimi K2-Instruct-0905 significantly outperforms across most benchmarks.

Sun Sep 06 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

976.0B diff

Kimi K2-Instruct-0905 has 976.0B more parameters than Mistral Small 3.1 24B Instruct, making it 4066.7% larger.

Moonshot AI
Kimi K2-Instruct-0905
1.0Tparameters
Mistral AI
Mistral Small 3.1 24B Instruct
24.0Bparameters
1000.0B
Kimi K2-Instruct-0905
24.0B
Mistral Small 3.1 24B Instruct

Input capabilities

Documented input modalities across available providers

Mistral Small 3.1 24B Instruct supports multimodal inputs, whereas Kimi K2-Instruct-0905 does not.

Mistral Small 3.1 24B Instruct can handle both text and other forms of data like images, making it suitable for multimodal applications.

Kimi K2-Instruct-0905

Text
Images
Audio
Video

Mistral Small 3.1 24B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K2-Instruct-0905 is licensed under MIT, while Mistral Small 3.1 24B Instruct uses Apache 2.0.

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

Kimi K2-Instruct-0905

MIT

Open weights

Mistral Small 3.1 24B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Kimi K2-Instruct-0905 was released on 2025-09-05, while Mistral Small 3.1 24B Instruct was released on 2025-03-17.

Kimi K2-Instruct-0905 is 6 months newer than Mistral Small 3.1 24B Instruct.

Kimi K2-Instruct-0905

Sep 5, 2025

1.0 years ago

5mo newer
Mistral Small 3.1 24B Instruct

Mar 17, 2025

1.5 years 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Kimi K2-Instruct-0905 and Mistral Small 3.1 24B Instruct side-by-side, then vote on the output you prefer.

Kimi K2-Instruct-0905
✓ Preferred
Mistral Small 3.1 24B Instruct
Open in Playground

FAQ

Common questions about Kimi K2-Instruct-0905 vs Mistral Small 3.1 24B Instruct.

Which is better, Kimi K2-Instruct-0905 or Mistral Small 3.1 24B Instruct?

Kimi K2-Instruct-0905 leads the LLM Stats Score 21.7 to 4.3. Kimi K2-Instruct-0905 is made by Moonshot AI and Mistral Small 3.1 24B Instruct 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 K2-Instruct-0905 compare to Mistral Small 3.1 24B Instruct in benchmarks?

Kimi K2-Instruct-0905 scores MATH-500: 97.4%, MMLU-Redux: 92.7%, IFEval: 89.8%, AutoLogi: 89.5%, MMLU: 89.5%. Mistral Small 3.1 24B Instruct scores HumanEval: 88.4%, MMLU: 80.6%, TriviaQA: 80.5%, MBPP: 74.7%, MATH: 69.3%.

What are the main differences between Kimi K2-Instruct-0905 and Mistral Small 3.1 24B Instruct?

Key differences include LLM Stats Score (21.7 vs 4.3), multimodal support (no vs yes), licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K2-Instruct-0905 and Mistral Small 3.1 24B Instruct?

Kimi K2-Instruct-0905 is developed by Moonshot AI and Mistral Small 3.1 24B Instruct is developed by Mistral AI.

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