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Kimi-k1.5 vs MiniMax M3.1 Flash

MiniMax M3.1 Flash leads the LLM Stats Score 48.5 to 16.9.

Moonshot AI · MiniMax · Updated for 2026

Which is better?

MiniMax M3.1 Flash leads the overall LLM Stats Score 48.5 to 16.9, ranking #29 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 MiniMax M3.1 Flash

  • overall performance matters — it scores 48.5 and ranks #29 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Kimi-k1.5
Moonshot AI
MiniMax M3.1 Flash
MiniMax
Core performance indexes
LLM Stats Score
16.9
#242
48.5
#29
Reasoning
16.1
#239
45.8
#34
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.15 / M
Output price
— / M
$0.60 / M
Context window
—
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Kimi-k1.5
MiniMax M3.1 Flash
Vision
10.9#130
28.8#42
Multimodal
14.6#110
30.2#38
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Kimi-k1.5 · 14 for MiniMax M3.1 Flash

No common benchmarks found

Kimi-k1.5 and MiniMax M3.1 Flashdon'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 MiniMax M3.1 Flash specifies input context (1,000,000 tokens). Only MiniMax M3.1 Flash specifies output context (524,288 tokens).

Moonshot AI
Kimi-k1.5
Input- tokens
Output- tokens
MiniMax
MiniMax M3.1 Flash
Input1,000,000 tokens
Output524,288 tokens
Mon Oct 19 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Kimi-k1.5 and MiniMax M3.1 Flash support multimodal inputs.

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

Kimi-k1.5

Text
Images
Audio
Video

MiniMax M3.1 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Kimi-k1.5

Proprietary

Closed source

MiniMax M3.1 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Kimi-k1.5 was released on 2025-01-20, while MiniMax M3.1 Flash was released on 2026-10-19.

MiniMax M3.1 Flash is 21 months newer than Kimi-k1.5.

Kimi-k1.5

Jan 20, 2025

1.7 years ago

MiniMax M3.1 Flash

Oct 19, 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?

Judge for yourself.

Run your own prompts against Kimi-k1.5 and MiniMax M3.1 Flash side-by-side, then vote on the output you prefer.

Kimi-k1.5
✓ Preferred
MiniMax M3.1 Flash
Open in Playground

FAQ

Common questions about Kimi-k1.5 vs MiniMax M3.1 Flash.

Which is better, Kimi-k1.5 or MiniMax M3.1 Flash?

MiniMax M3.1 Flash leads the LLM Stats Score 48.5 to 16.9. Kimi-k1.5 is made by Moonshot AI and MiniMax M3.1 Flash is made by MiniMax. 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 MiniMax M3.1 Flash in benchmarks?

Kimi-k1.5 scores MATH-500: 96.2%, CLUEWSC: 91.4%, C-Eval: 88.3%, MMLU: 87.4%, IFEval: 87.2%. MiniMax M3.1 Flash scores BabyVision: 91.0%, CharXiv-R: 82.5%, CyberGym: 82.2%, BankerToolBench: 76.2%, DeepSWE 1.1: 73.7%.

What are the context window sizes for Kimi-k1.5 and MiniMax M3.1 Flash?

Kimi-k1.5 supports an unknown number of tokens and MiniMax M3.1 Flash 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 MiniMax M3.1 Flash?

Key differences include LLM Stats Score (16.9 vs 48.5). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi-k1.5 and MiniMax M3.1 Flash?

Kimi-k1.5 is developed by Moonshot AI and MiniMax M3.1 Flash is developed by MiniMax.

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