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Devstral Small 1.1 vs Kimi K2.8 Preview

Comparing Devstral Small 1.1 and Kimi K2.8 Preview across benchmarks, pricing, and capabilities.

Mistral AI · Moonshot AI · Updated for 2026

Which is better?

Devstral Small 1.1 and Kimi K2.8 Preview 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 Devstral Small 1.1

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

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

At a glance

The differences that matter most.

Devstral Small 1.1
Mistral AI
Kimi K2.8 Preview
Moonshot AI
Benchmark wins
—
—
Input price
$0.10 / M
— / M
Output price
$0.30 / M
— / M
Context window
128,000
1,048,576

Individual benchmarks

1 reported for Devstral Small 1.1 · 0 for Kimi K2.8 Preview

No common benchmarks found

Devstral Small 1.1 and Kimi K2.8 Previewdon'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 Devstral Small 1.1's 128,000 tokens. Only Devstral Small 1.1 specifies output context (128,000 tokens).

Mistral AI
Devstral Small 1.1
Input128,000 tokens
Output128,000 tokens
Moonshot AI
Kimi K2.8 Preview
Input1,048,576 tokens
Output- tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Kimi K2.8 Preview supports multimodal inputs, whereas Devstral Small 1.1 does not.

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

Devstral Small 1.1

Text
Images
Audio
Video

Kimi K2.8 Preview

Text
Images
Audio
Video

License

Usage and distribution terms

Devstral Small 1.1 is licensed under Apache 2.0, while Kimi K2.8 Preview uses a proprietary license.

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

Devstral Small 1.1

Apache 2.0

Open weights

Kimi K2.8 Preview

Proprietary

Closed source

Release Timeline

When each model was launched

Devstral Small 1.1 was released on 2025-07-11, while Kimi K2.8 Preview was released on 2026-09-11.

Kimi K2.8 Preview is 14 months newer than Devstral Small 1.1.

Devstral Small 1.1

Jul 11, 2025

1.2 years ago

Kimi K2.8 Preview

Sep 11, 2026

1 weeks ago

1.2yr 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

Devstral Small 1.1 is available from Mistral AI. Kimi K2.8 Preview is available from Moonshot AI.

Devstral Small 1.1

mistral logo
Mistral
Input Price:Input: $0.10/1MOutput Price:Output: $0.30/1M

Kimi K2.8 Preview

moonshot logo
Unknown Organization
* 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 Devstral Small 1.1 and Kimi K2.8 Preview side-by-side, then vote on the output you prefer.

Devstral Small 1.1
✓ Preferred
Kimi K2.8 Preview
Open in Playground

FAQ

Common questions about Devstral Small 1.1 vs Kimi K2.8 Preview.

Which is better, Devstral Small 1.1 or Kimi K2.8 Preview?

Devstral Small 1.1 (Mistral AI) and Kimi K2.8 Preview (Moonshot AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Devstral Small 1.1 compare to Kimi K2.8 Preview in benchmarks?

Devstral Small 1.1 scores SWE-Bench Verified: 53.6%.

What are the context window sizes for Devstral Small 1.1 and Kimi K2.8 Preview?

Devstral Small 1.1 supports 128K tokens and Kimi K2.8 Preview 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 Devstral Small 1.1 and Kimi K2.8 Preview?

Key differences include context window (128K vs 1.0M), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Devstral Small 1.1 and Kimi K2.8 Preview?

Devstral Small 1.1 is developed by Mistral AI and Kimi K2.8 Preview is developed by Moonshot AI.

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