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Kimi K2.8 Preview vs Mistral Small

Comparing Kimi K2.8 Preview and Mistral Small across benchmarks, pricing, and capabilities.

Moonshot AI · Mistral AI · Updated for 2026

Which is better?

Kimi K2.8 Preview and Mistral Small trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Kimi K2.8 Preview 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 K2.8 Preview

  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Mistral Small

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Benchmark wins
Input price
— / M
$0.20 / M
Output price
— / M
$0.60 / M
Context window
1,048,576
32,768

Individual benchmarks

0 reported for Kimi K2.8 Preview · 0 for Mistral Small

No common benchmarks found

Kimi K2.8 Preview and Mistral Smalldon'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

Kimi K2.8 Preview accepts 1,048,576 input tokens compared to Mistral Small's 32,768 tokens. Only Mistral Small specifies output context (32,768 tokens).

Moonshot AI
Kimi K2.8 Preview
Input1,048,576 tokens
Output- tokens
Mistral AI
Mistral Small
Input32,768 tokens
Output32,768 tokens
Tue Sep 15 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Kimi K2.8 Preview supports multimodal inputs, whereas Mistral Small does not.

Kimi K2.8 Preview can handle both text and other forms of data like images, making it suitable for multimodal applications.

Kimi K2.8 Preview

Text
Images
Audio
Video

Mistral Small

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K2.8 Preview is licensed under a proprietary license, while Mistral Small uses Mistral Research License.

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

Kimi K2.8 Preview

Proprietary

Closed source

Mistral Small

Mistral Research License

Open weights

Release Timeline

When each model was launched

Kimi K2.8 Preview was released on 2026-09-11, while Mistral Small was released on 2024-09-17.

Kimi K2.8 Preview is 24 months newer than Mistral Small.

Kimi K2.8 Preview

Sep 11, 2026

4 days ago

2.0yr newer
Mistral Small

Sep 17, 2024

2.0 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

Provider Availability

Kimi K2.8 Preview is available from Moonshot AI. Mistral Small is available from Mistral AI.

Kimi K2.8 Preview

moonshot logo
Unknown Organization

Mistral Small

mistral logo
Mistral
Input Price:Input: $0.20/1MOutput Price:Output: $0.60/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Kimi K2.8 Preview and Mistral Small side-by-side, then vote on the output you prefer.

Kimi K2.8 Preview
✓ Preferred
Mistral Small
Open in Playground

FAQ

Common questions about Kimi K2.8 Preview vs Mistral Small.

Which is better, Kimi K2.8 Preview or Mistral Small?

Kimi K2.8 Preview (Moonshot AI) and Mistral Small (Mistral AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

What are the context window sizes for Kimi K2.8 Preview and Mistral Small?

Kimi K2.8 Preview supports 1.0M tokens and Mistral Small supports 33K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Kimi K2.8 Preview and Mistral Small?

Key differences include context window (1.0M vs 33K), multimodal support (yes vs no), licensing (Proprietary vs Mistral Research License). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K2.8 Preview and Mistral Small?

Kimi K2.8 Preview is developed by Moonshot AI and Mistral Small is developed by Mistral AI.