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Kimi-k1.5 vs MiMo-V2.6-Pro

MiMo-V2.6-Pro leads the LLM Stats Score 49.8 to 17.2.

Moonshot AI · Xiaomi · Updated for 2026

Which is better?

MiMo-V2.6-Pro leads the overall LLM Stats Score 49.8 to 17.2, ranking #19 overall.

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

Choose Kimi-k1.5

  • you are already invested in the Moonshot AI ecosystem

Choose MiMo-V2.6-Pro

  • overall performance matters — it scores 49.8 and ranks #19 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Kimi-k1.5
Moonshot AI
MiMo-V2.6-Pro
Xiaomi
Core performance indexes
LLM Stats Score
17.2
#221
49.8
#19
Reasoning
16.4
#218
45.2
#30
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.43 / M
Output price
— / M
$0.87 / M
Context window
—
1,048,576

Individual benchmarks

9 reported for Kimi-k1.5 · 18 for MiMo-V2.6-Pro

No common benchmarks found

Kimi-k1.5 and MiMo-V2.6-Prodon'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

Only MiMo-V2.6-Pro specifies input context (1,048,576 tokens).

Moonshot AI
Kimi-k1.5
Input- tokens
Output- tokens
Xiaomi
MiMo-V2.6-Pro
Input1,048,576 tokens
Output- tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Kimi-k1.5 and MiMo-V2.6-Pro support multimodal inputs.

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

Kimi-k1.5

Text
Images
Audio
Video

MiMo-V2.6-Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi-k1.5 is licensed under a proprietary license, while MiMo-V2.6-Pro uses MIT.

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

Kimi-k1.5

Proprietary

Closed source

MiMo-V2.6-Pro

MIT

Open weights

Release Timeline

When each model was launched

Kimi-k1.5 was released on 2025-01-20, while MiMo-V2.6-Pro was released on 2026-09-22.

MiMo-V2.6-Pro is 20 months newer than Kimi-k1.5.

Kimi-k1.5

Jan 20, 2025

1.7 years ago

MiMo-V2.6-Pro

Sep 22, 2026

0 days ago

1.7yr 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Kimi-k1.5 and MiMo-V2.6-Pro side-by-side, then vote on the output you prefer.

Kimi-k1.5
✓ Preferred
MiMo-V2.6-Pro
Open in Playground

FAQ

Common questions about Kimi-k1.5 vs MiMo-V2.6-Pro.

Which is better, Kimi-k1.5 or MiMo-V2.6-Pro?

MiMo-V2.6-Pro leads the LLM Stats Score 49.8 to 17.2. Kimi-k1.5 is made by Moonshot AI and MiMo-V2.6-Pro is made by Xiaomi. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Kimi-k1.5 compare to MiMo-V2.6-Pro in benchmarks?

Kimi-k1.5 scores MATH-500: 96.2%, CLUEWSC: 91.4%, C-Eval: 88.3%, MMLU: 87.4%, IFEval: 87.2%. MiMo-V2.6-Pro scores CyberGym: 94.0%, Terminal-Bench 2.1: 89.9%, OSWorld-Verified: 82.0%, MiMo Cyber Bench: 81.7%, Toolathlon-Verified: 76.9%.

What are the context window sizes for Kimi-k1.5 and MiMo-V2.6-Pro?

Kimi-k1.5 supports an unknown number of tokens and MiMo-V2.6-Pro 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-k1.5 and MiMo-V2.6-Pro?

Key differences include LLM Stats Score (17.2 vs 49.8), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi-k1.5 and MiMo-V2.6-Pro?

Kimi-k1.5 is developed by Moonshot AI and MiMo-V2.6-Pro is developed by Xiaomi.

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