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Kimi K2.8 Preview vs MiMo-V2.5

Comparing Kimi K2.8 Preview and MiMo-V2.5 across benchmarks, pricing, and capabilities.

Moonshot AI · Xiaomi · Updated for 2026

Which is better?

Kimi K2.8 Preview and MiMo-V2.5 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

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

Choose Kimi K2.8 Preview

  • you want the most recent training data — it shipped Sep 2026

Choose MiMo-V2.5

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

At a glance

The differences that matter most.

Kimi K2.8 Preview
Moonshot AI
MiMo-V2.5
Xiaomi
Benchmark wins
—
—
Input price
— / M
$0.17 / M
Output price
— / M
$0.34 / M
Context window
1,048,576
1,048,576

Individual benchmarks

0 reported for Kimi K2.8 Preview · 14 for MiMo-V2.5

No common benchmarks found

Kimi K2.8 Preview and MiMo-V2.5don'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

Both models have the same input context window of 1,048,576 tokens. Only MiMo-V2.5 specifies output context (131,072 tokens).

Moonshot AI
Kimi K2.8 Preview
Input1,048,576 tokens
Output- tokens
Xiaomi
MiMo-V2.5
Input1,048,576 tokens
Output131,072 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Kimi K2.8 Preview and MiMo-V2.5 support multimodal inputs.

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

Kimi K2.8 Preview

Text
Images
Audio
Video

MiMo-V2.5

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K2.8 Preview is licensed under a proprietary license, while MiMo-V2.5 uses MIT.

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

Kimi K2.8 Preview

Proprietary

Closed source

MiMo-V2.5

MIT

Open weights

Release Timeline

When each model was launched

Kimi K2.8 Preview was released on 2026-09-11, while MiMo-V2.5 was released on 2026-04-22.

Kimi K2.8 Preview is 5 months newer than MiMo-V2.5.

Kimi K2.8 Preview

Sep 11, 2026

1 weeks ago

4mo newer
MiMo-V2.5

Apr 22, 2026

5 months 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. MiMo-V2.5 is available from Novita, DeepInfra.

Kimi K2.8 Preview

moonshot logo
Unknown Organization

MiMo-V2.5

novita logo
Novita
Input Price:Input: $0.17/1MOutput Price:Output: $0.34/1M
deepinfra logo
Deepinfra
Input Price:Input: $0.40/1MOutput Price:Output: $2.00/1M
* 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 MiMo-V2.5 side-by-side, then vote on the output you prefer.

Kimi K2.8 Preview
✓ Preferred
MiMo-V2.5
Open in Playground

FAQ

Common questions about Kimi K2.8 Preview vs MiMo-V2.5.

Which is better, Kimi K2.8 Preview or MiMo-V2.5?

Kimi K2.8 Preview (Moonshot AI) and MiMo-V2.5 (Xiaomi) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Kimi K2.8 Preview compare to MiMo-V2.5 in benchmarks?

MiMo-V2.5 scores HR-Bench (4k): 88.5%, Video-MME: 87.7%, OmniDocBench: 87.2%, GraphWalks: 87.0%, DailyOmni: 83.5%.

What are the context window sizes for Kimi K2.8 Preview and MiMo-V2.5?

Kimi K2.8 Preview supports 1.0M tokens and MiMo-V2.5 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 K2.8 Preview and MiMo-V2.5?

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

Who makes Kimi K2.8 Preview and MiMo-V2.5?

Kimi K2.8 Preview is developed by Moonshot AI and MiMo-V2.5 is developed by Xiaomi.

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