The AI arena is free today

Open Superagent

K2 Horizon 375B-A23B vs LFM3-1.7B

K2 Horizon 375B-A23B leads the LLM Stats Score 38.4 to 25.0.

Institute of Foundation Models · Liquid AI · Updated for 2026

Which is better?

K2 Horizon 375B-A23B leads the overall LLM Stats Score 38.4 to 25.0, ranking #86 overall.

In the 6 individual benchmarks reported for both models, K2 Horizon 375B-A23B wins 5; this is a narrower head-to-head signal than the composite indexes.

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

Choose K2 Horizon 375B-A23B

  • overall performance matters — it scores 38.4 and ranks #86 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 5 of 6 exact shared results

Choose LFM3-1.7B

  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

K2 Horizon 375B-A23B
Institute of Foundation Models
LFM3-1.7B
Liquid AI
Core performance indexes
LLM Stats Score
38.4
#86
25.0
#191
Reasoning
37.2
#90
20.8
#216
Coding
21.1
#115
7.4
#218
Agents
23.5
#79
18.1
#97
Cost, coverage & limits
Benchmark wins
5 of 6
1 of 6
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
K2 Horizon 375B-A23B
LFM3-1.7B
Math
29.8#90
7.6#285
Tool use
22.0#65
14.3#119
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

18 reported for K2 Horizon 375B-A23B · 20 for LFM3-1.7B

6 shared

K2 Horizon 375B-A23B outperforms in 5 benchmarks (AA-LCR, GPQA, Humanity's Last Exam, SciCode, Terminal-Bench 2.1), while LFM3-1.7B is better at 1 benchmark (AutomationBench).

K2 Horizon 375B-A23B significantly outperforms across most benchmarks.

Wed Nov 04 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

373.3B diff

K2 Horizon 375B-A23B has 373.3B more parameters than LFM3-1.7B, making it 21576.3% larger.

Institute of Foundation Models
K2 Horizon 375B-A23B
375.0Bparameters
Liquid AI
LFM3-1.7B
1.7Bparameters
375.0B
K2 Horizon 375B-A23B
1.7B
LFM3-1.7B

License

Usage and distribution terms

K2 Horizon 375B-A23B is licensed under Apache 2.0, while LFM3-1.7B uses LFM Open License v1.0.

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

K2 Horizon 375B-A23B

Apache 2.0

Open weights

LFM3-1.7B

LFM Open License v1.0

Open weights

Release Timeline

When each model was launched

K2 Horizon 375B-A23B was released on 2026-09-03, while LFM3-1.7B was released on 2026-10-27.

LFM3-1.7B is 2 months newer than K2 Horizon 375B-A23B.

K2 Horizon 375B-A23B

Sep 3, 2026

2 months ago

LFM3-1.7B

Oct 27, 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 375B-A23B and LFM3-1.7B side-by-side, then vote on the output you prefer.

K2 Horizon 375B-A23B
✓ Preferred
LFM3-1.7B
Open in Playground

FAQ

Common questions about K2 Horizon 375B-A23B vs LFM3-1.7B.

Which is better, K2 Horizon 375B-A23B or LFM3-1.7B?

K2 Horizon 375B-A23B leads the LLM Stats Score 38.4 to 25.0. K2 Horizon 375B-A23B is made by Institute of Foundation Models and LFM3-1.7B is made by Liquid AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does K2 Horizon 375B-A23B compare to LFM3-1.7B in benchmarks?

K2 Horizon 375B-A23B scores GPQA: 87.3%, AA-LCR: 76.0%, OmniScience (non-hallucination rate): 74.7%, BrowseComp: 72.8%, Terminal-Bench 2.1: 70.2%. LFM3-1.7B scores IFEval: 96.7%, Multi-IF: 89.1%, LiveCodeBench v6: 73.5%, IFBench: 73.0%, BFCL-V4: 71.4%.

What are the main differences between K2 Horizon 375B-A23B and LFM3-1.7B?

Key differences include LLM Stats Score (38.4 vs 25.0), licensing (Apache 2.0 vs LFM Open License v1.0). See the full comparison above for benchmark-by-benchmark results.

Who makes K2 Horizon 375B-A23B and LFM3-1.7B?

K2 Horizon 375B-A23B is developed by Institute of Foundation Models and LFM3-1.7B is developed by Liquid AI.

Related comparisons