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K2 Horizon 7B vs MiniMax M3.1 Flash

MiniMax M3.1 Flash leads the LLM Stats Score 48.2 to 25.7.

Institute of Foundation Models · MiniMax · Updated for 2026

Which is better?

MiniMax M3.1 Flash leads the overall LLM Stats Score 48.2 to 25.7, ranking #31 overall.

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

Choose K2 Horizon 7B

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

Choose MiniMax M3.1 Flash

  • overall performance matters — it scores 48.2 and ranks #31 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

K2 Horizon 7B
Institute of Foundation Models
MiniMax M3.1 Flash
MiniMax
Core performance indexes
LLM Stats Score
25.7
#184
48.2
#31
Reasoning
25.6
#181
45.2
#39
Coding
8.4
#209
38.7
#24
Agents
12.0
#133
36.0
#24
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

1 shared
Index
K2 Horizon 7B
MiniMax M3.1 Flash
Tool use
8.4#164
27.0#33
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

8 reported for K2 Horizon 7B · 15 for MiniMax M3.1 Flash

No common benchmarks found

K2 Horizon 7B 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).

Institute of Foundation Models
K2 Horizon 7B
Input- tokens
Output- tokens
MiniMax
MiniMax M3.1 Flash
Input1,000,000 tokens
Output524,288 tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

MiniMax M3.1 Flash supports multimodal inputs, whereas K2 Horizon 7B does not.

MiniMax M3.1 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

K2 Horizon 7B

Text
Images
Audio
Video

MiniMax M3.1 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

K2 Horizon 7B is licensed under Apache 2.0, while MiniMax M3.1 Flash uses a proprietary license.

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

K2 Horizon 7B

Apache 2.0

Open weights

MiniMax M3.1 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

K2 Horizon 7B was released on 2026-09-03, while MiniMax M3.1 Flash was released on 2026-10-19.

MiniMax M3.1 Flash is 2 months newer than K2 Horizon 7B.

K2 Horizon 7B

Sep 3, 2026

1 months ago

MiniMax M3.1 Flash

Oct 19, 2026

1 weeks ago

1mo 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 K2 Horizon 7B and MiniMax M3.1 Flash side-by-side, then vote on the output you prefer.

K2 Horizon 7B
✓ Preferred
MiniMax M3.1 Flash
Open in Playground

FAQ

Common questions about K2 Horizon 7B vs MiniMax M3.1 Flash.

Which is better, K2 Horizon 7B or MiniMax M3.1 Flash?

MiniMax M3.1 Flash leads the LLM Stats Score 48.2 to 25.7. K2 Horizon 7B is made by Institute of Foundation Models 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 K2 Horizon 7B compare to MiniMax M3.1 Flash in benchmarks?

K2 Horizon 7B scores HMMT Feb 26: 73.3%, SWE-Bench Verified: 70.6%, AA-LCR: 68.0%, BrowseComp: 59.0%, Terminal-Bench 2.1: 39.1%. 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 K2 Horizon 7B and MiniMax M3.1 Flash?

K2 Horizon 7B 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 K2 Horizon 7B and MiniMax M3.1 Flash?

Key differences include LLM Stats Score (25.7 vs 48.2), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes K2 Horizon 7B and MiniMax M3.1 Flash?

K2 Horizon 7B is developed by Institute of Foundation Models and MiniMax M3.1 Flash is developed by MiniMax.

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