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Kimi K3.1 Pro vs MiMo-V2.5-Pro

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to 25.1. MiMo-V2.5-Pro is 7.4x cheaper per token.

Moonshot AI · Xiaomi · Updated for 2026

Which is better?

Kimi K3.1 Pro leads the overall LLM Stats Score 55.5 to 25.1, ranking #5 overall.

In the 2 individual benchmarks reported for both models, Kimi K3.1 Pro wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, MiMo-V2.5-Pro is roughly 7.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose Kimi K3.1 Pro

  • overall performance matters — it scores 55.5 and ranks #5 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you want the most recent training data — it shipped Oct 2026

Choose MiMo-V2.5-Pro

  • cost matters — it's about 7.4x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Kimi K3.1 Pro
Moonshot AI
MiMo-V2.5-Pro
Xiaomi
Core performance indexes
LLM Stats Score
55.5
#5
25.1
#187
Reasoning
54.3
#6
23.5
#193
Coding
42.7
#9
32.3
#57
Agents
41.6
#5
23.6
#79
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$2.00 / M
$0.43 / M
Output price
$10.00 / M
$0.87 / M
Context window
1,048,576
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Kimi K3.1 Pro
MiMo-V2.5-Pro
Math
38.6#26
25.4#117
Tool use
30.4#14
23.1#54
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

30 reported for Kimi K3.1 Pro · 31 for MiMo-V2.5-Pro

2 shared

Kimi K3.1 Pro outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while MiMo-V2.5-Pro is better at 0 benchmarks.

Kimi K3.1 Pro significantly outperforms across most benchmarks.

Fri Oct 30 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MiMo-V2.5-Pro costs less

For input processing, Kimi K3.1 Pro ($2.00/1M tokens) is 4.6x more expensive than MiMo-V2.5-Pro ($0.43/1M tokens).

For output processing, Kimi K3.1 Pro ($10.00/1M tokens) is 11.5x more expensive than MiMo-V2.5-Pro ($0.87/1M tokens).

In conclusion, Kimi K3.1 Pro is more expensive than MiMo-V2.5-Pro.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Oct 30 2026 • llm-stats.com
Moonshot AI
Kimi K3.1 Pro
Input tokens$2.00
Output tokens$10.00
Best providerUnknown Organization
Xiaomi
MiMo-V2.5-Pro
Input tokens$0.43
Output tokens$0.87
Best providerXiaomi
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. Kimi K3.1 Pro can generate longer responses up to 1,048,576 tokens, while MiMo-V2.5-Pro is limited to 131,072 tokens.

Moonshot AI
Kimi K3.1 Pro
Input1,048,576 tokens
Output1,048,576 tokens
Xiaomi
MiMo-V2.5-Pro
Input1,048,576 tokens
Output131,072 tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Kimi K3.1 Pro supports multimodal inputs, whereas MiMo-V2.5-Pro does not.

Kimi K3.1 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Kimi K3.1 Pro

Text
Images
Audio
Video

MiMo-V2.5-Pro

Text
Images
Audio
Video

Release Timeline

When each model was launched

Kimi K3.1 Pro was released on 2026-10-23, while MiMo-V2.5-Pro was released on 2026-04-27.

Kimi K3.1 Pro is 6 months newer than MiMo-V2.5-Pro.

Kimi K3.1 Pro

Oct 23, 2026

6 days ago

5mo newer
MiMo-V2.5-Pro

Apr 27, 2026

6 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 K3.1 Pro is available from Moonshot AI. MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita.

Kimi K3.1 Pro

moonshot logo
Unknown Organization
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

MiMo-V2.5-Pro

xiaomi logo
Xiaomi
Input Price:Input: $0.43/1MOutput Price:Output: $0.87/1M
deepinfra logo
Deepinfra
Input Price:Input: $1.00/1MOutput Price:Output: $3.00/1M
novita logo
Novita
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Kimi K3.1 Pro and MiMo-V2.5-Pro side-by-side, then vote on the output you prefer.

Kimi K3.1 Pro
✓ Preferred
MiMo-V2.5-Pro
Open in Playground

FAQ

Common questions about Kimi K3.1 Pro vs MiMo-V2.5-Pro.

Which is better, Kimi K3.1 Pro or MiMo-V2.5-Pro?

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to 25.1. Kimi K3.1 Pro is made by Moonshot AI and MiMo-V2.5-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 K3.1 Pro compare to MiMo-V2.5-Pro in benchmarks?

Kimi K3.1 Pro scores BabyVision: 95.4%, GPQA: 94.2%, BenchCAD (with Python tool): 92.7%, BrowseComp: 92.1%, Chartography: 90.2%. MiMo-V2.5-Pro scores FrontierSWE (Impl.): 100.0%, GSM8k: 99.6%, ARC-C: 97.2%, MMLU-Redux: 92.8%, C-Eval: 91.5%.

Is Kimi K3.1 Pro cheaper than MiMo-V2.5-Pro?

MiMo-V2.5-Pro is 4.6x cheaper for input tokens. Kimi K3.1 Pro costs $2.00/M input and $10.00/M output via moonshot. MiMo-V2.5-Pro costs $0.43/M input and $0.87/M output via xiaomi.

What are the context window sizes for Kimi K3.1 Pro and MiMo-V2.5-Pro?

Kimi K3.1 Pro supports 1.0M tokens and MiMo-V2.5-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 K3.1 Pro and MiMo-V2.5-Pro?

Key differences include LLM Stats Score (55.5 vs 25.1), input pricing ($2.00 vs $0.43/M), multimodal support (yes vs no), licensing (Unknown vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K3.1 Pro and MiMo-V2.5-Pro?

Kimi K3.1 Pro is developed by Moonshot AI and MiMo-V2.5-Pro is developed by Xiaomi.

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