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Kimi K2 Base vs Mistral Small 3 24B Instruct

Kimi K2 Base shows notably better performance in the majority of benchmarks.

Moonshot AI · Mistral AI · Updated for 2026

Which is better?

Kimi K2 Base outperforms in 2 benchmarks (GPQA, MMLU-Pro), while Mistral Small 3 24B Instruct is better at 1 benchmark (MATH). Kimi K2 Base shows notably better performance in the majority of benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Kimi K2 Base

  • you want the strongest raw capability — it leads on 2 of 3 shared benchmarks
  • you want the most recent training data — it shipped Jul 2025

Choose Mistral Small 3 24B Instruct

  • you want predictable pricing at $0.07/M input and $0.14/M output

At a glance

The differences that matter most.

Kimi K2 Base
Moonshot AI
Mistral Small 3 24B Instruct
Mistral AI
Benchmark wins
2 of 3
1 of 3
Input price
— / M
$0.07 / M
Output price
— / M
$0.14 / M
Context window
—
32,000
Released
Jul 2025
Jan 2025
License
MIT
Apache 2.0

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Kimi K2 Base outperforms in 2 benchmarks (GPQA, MMLU-Pro), while Mistral Small 3 24B Instruct is better at 1 benchmark (MATH).

Kimi K2 Base shows notably better performance in the majority of benchmarks.

Tue Aug 25 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Model Size

Parameter count comparison

976.0B diff

Kimi K2 Base has 976.0B more parameters than Mistral Small 3 24B Instruct, making it 4066.7% larger.

Moonshot AI
Kimi K2 Base
1.0Tparameters
Mistral AI
Mistral Small 3 24B Instruct
24.0Bparameters
1000.0B
Kimi K2 Base
24.0B
Mistral Small 3 24B Instruct

Context Window

Maximum input and output token capacity

Only Mistral Small 3 24B Instruct specifies input context (32,000 tokens). Only Mistral Small 3 24B Instruct specifies output context (32,000 tokens).

Moonshot AI
Kimi K2 Base
Input- tokens
Output- tokens
Mistral AI
Mistral Small 3 24B Instruct
Input32,000 tokens
Output32,000 tokens
Tue Aug 25 2026 • llm-stats.com

License

Usage and distribution terms

Kimi K2 Base is licensed under MIT, while Mistral Small 3 24B Instruct uses Apache 2.0.

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

Kimi K2 Base

MIT

Open weights

Mistral Small 3 24B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Kimi K2 Base was released on 2025-07-11, while Mistral Small 3 24B Instruct was released on 2025-01-30.

Kimi K2 Base is 5 months newer than Mistral Small 3 24B Instruct.

Kimi K2 Base

Jul 11, 2025

1.1 years ago

5mo newer
Mistral Small 3 24B Instruct

Jan 30, 2025

1.6 years ago

Knowledge Cutoff

When training data ends

Mistral Small 3 24B Instruct has a documented knowledge cutoff of 2023-10-01, while Kimi K2 Base's cutoff date is not specified.

We can confirm Mistral Small 3 24B Instruct's training data extends to 2023-10-01, but cannot make a direct comparison without Kimi K2 Base's cutoff date.

Kimi K2 Base

—

Mistral Small 3 24B Instruct

Oct 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Kimi K2 Base and Mistral Small 3 24B Instruct side-by-side, then vote on the output you prefer.

Kimi K2 Base
✓ Preferred
Mistral Small 3 24B Instruct
Open in Playground

FAQ

Common questions about Kimi K2 Base vs Mistral Small 3 24B Instruct.

Which is better, Kimi K2 Base or Mistral Small 3 24B Instruct?

Kimi K2 Base shows notably better performance in the majority of benchmarks. Kimi K2 Base is made by Moonshot AI and Mistral Small 3 24B Instruct is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Kimi K2 Base compare to Mistral Small 3 24B Instruct in benchmarks?

Kimi K2 Base scores C-Eval: 92.5%, GSM8k: 92.1%, MMLU-redux-2.0: 90.2%, MMLU: 87.8%, TriviaQA: 85.1%. Mistral Small 3 24B Instruct scores Arena Hard: 87.6%, HumanEval: 84.8%, MT-Bench: 83.5%, IFEval: 82.9%, MATH: 70.6%.

What are the context window sizes for Kimi K2 Base and Mistral Small 3 24B Instruct?

Kimi K2 Base supports an unknown number of tokens and Mistral Small 3 24B Instruct supports 32K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Kimi K2 Base and Mistral Small 3 24B Instruct?

Key differences include licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K2 Base and Mistral Small 3 24B Instruct?

Kimi K2 Base is developed by Moonshot AI and Mistral Small 3 24B Instruct is developed by Mistral AI.

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