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Kimi K3.1 Pro vs MiniMax M3.1 Flash

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to 48.2. MiniMax M3.1 Flash is 15.2x cheaper per token.

Moonshot AI · MiniMax · Updated for 2026

Which is better?

Kimi K3.1 Pro leads the overall LLM Stats Score 55.5 to 48.2, ranking #5 overall.

In the 6 individual benchmarks reported for both models, Kimi K3.1 Pro wins 5; this is a narrower head-to-head signal than the composite indexes.

On price, MiniMax M3.1 Flash is roughly 15.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Kimi K3.1 Pro 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 Kimi K3.1 Pro

  • overall performance matters — it scores 55.5 and ranks #5 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 5 of 6 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026

Choose MiniMax M3.1 Flash

  • cost matters — it's about 15.2x cheaper per token

At a glance

The differences that matter most.

Kimi K3.1 Pro
Moonshot AI
MiniMax M3.1 Flash
MiniMax
Core performance indexes
LLM Stats Score
55.5
#5
48.2
#31
Reasoning
54.3
#6
45.2
#39
Coding
42.7
#9
38.7
#24
Agents
41.6
#5
36.0
#24
Cost, coverage & limits
Benchmark wins
5 of 6
1 of 6
Input price
$2.00 / M
$0.15 / M
Output price
$10.00 / M
$0.60 / M
Context window
1,048,576
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Kimi K3.1 Pro
MiniMax M3.1 Flash
Vision
40.5#4
28.8#45
Tool use
30.4#14
27.0#33
Multimodal
40.8#2
29.8#40
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

30 reported for Kimi K3.1 Pro · 15 for MiniMax M3.1 Flash

6 shared

Kimi K3.1 Pro outperforms in 5 benchmarks (Agents' Last Exam, BabyVision, CharXiv-R, GDP.pdf, Terminal-Bench 4.0), while MiniMax M3.1 Flash is better at 1 benchmark (PostTrainBench).

Kimi K3.1 Pro significantly outperforms across most benchmarks.

Thu Oct 29 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MiniMax M3.1 Flash costs less

For input processing, Kimi K3.1 Pro ($2.00/1M tokens) is 13.3x more expensive than MiniMax M3.1 Flash ($0.15/1M tokens).

For output processing, Kimi K3.1 Pro ($10.00/1M tokens) is 16.7x more expensive than MiniMax M3.1 Flash ($0.60/1M tokens).

In conclusion, Kimi K3.1 Pro is more expensive than MiniMax M3.1 Flash.*

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

Lowest available price from all providers
Thu Oct 29 2026 • llm-stats.com
Moonshot AI
Kimi K3.1 Pro
Input tokens$2.00
Output tokens$10.00
Best providerUnknown Organization
MiniMax
MiniMax M3.1 Flash
Input tokens$0.15
Output tokens$0.60
Best providerMiniMax
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Kimi K3.1 Pro accepts 1,048,576 input tokens compared to MiniMax M3.1 Flash's 1,000,000 tokens. Kimi K3.1 Pro can generate longer responses up to 1,048,576 tokens, while MiniMax M3.1 Flash is limited to 524,288 tokens.

Moonshot AI
Kimi K3.1 Pro
Input1,048,576 tokens
Output1,048,576 tokens
MiniMax
MiniMax M3.1 Flash
Input1,000,000 tokens
Output524,288 tokens
Thu Oct 29 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Kimi K3.1 Pro and MiniMax M3.1 Flash support multimodal inputs.

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

Kimi K3.1 Pro

Text
Images
Audio
Video

MiniMax M3.1 Flash

Text
Images
Audio
Video

Release Timeline

When each model was launched

Kimi K3.1 Pro was released on 2026-10-23, while MiniMax M3.1 Flash was released on 2026-10-19.

Kimi K3.1 Pro is 0 month newer than MiniMax M3.1 Flash.

Kimi K3.1 Pro

Oct 23, 2026

2 days ago

4d newer
MiniMax M3.1 Flash

Oct 19, 2026

6 days 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. MiniMax M3.1 Flash is available from MiniMax.

Kimi K3.1 Pro

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

MiniMax M3.1 Flash

minimax logo
MiniMax
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M
* 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 MiniMax M3.1 Flash side-by-side, then vote on the output you prefer.

Kimi K3.1 Pro
✓ Preferred
MiniMax M3.1 Flash
Open in Playground

FAQ

Common questions about Kimi K3.1 Pro vs MiniMax M3.1 Flash.

Which is better, Kimi K3.1 Pro or MiniMax M3.1 Flash?

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to 48.2. Kimi K3.1 Pro 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 K3.1 Pro compare to MiniMax M3.1 Flash 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%. MiniMax M3.1 Flash scores BabyVision: 91.0%, CharXiv-R: 82.5%, CyberGym: 82.2%, BankerToolBench: 76.2%, DeepSWE 1.1: 73.7%.

Is Kimi K3.1 Pro cheaper than MiniMax M3.1 Flash?

MiniMax M3.1 Flash is 13.3x cheaper for input tokens. Kimi K3.1 Pro costs $2.00/M input and $10.00/M output via moonshot. MiniMax M3.1 Flash costs $0.15/M input and $0.60/M output via minimax.

What are the context window sizes for Kimi K3.1 Pro and MiniMax M3.1 Flash?

Kimi K3.1 Pro supports 1.0M 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 K3.1 Pro and MiniMax M3.1 Flash?

Key differences include LLM Stats Score (55.5 vs 48.2), context window (1.0M vs 1.0M), input pricing ($2.00 vs $0.15/M), licensing (Unknown vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K3.1 Pro and MiniMax M3.1 Flash?

Kimi K3.1 Pro is developed by Moonshot AI and MiniMax M3.1 Flash is developed by MiniMax.

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