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K2 Horizon 375B-A23B vs Ling 3.0 Flash

K2 Horizon 375B-A23B and Ling 3.0 Flash are closely matched at 38.5 and 35.4 on the LLM Stats Score.

Institute of Foundation Models · InclusionAI · Updated for 2026

Which is better?

K2 Horizon 375B-A23B and Ling 3.0 Flash are closely matched on the overall LLM Stats Score at 38.5 and 35.4.

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

  • you value its reported benchmark strengths — it wins 5 of 6 exact shared results
  • you want the most recent training data — it shipped Sep 2026
  • you need open weights you can self-host or fine-tune

Choose Ling 3.0 Flash

  • you want predictable pricing at $0.06/M input and $0.18/M output

At a glance

The differences that matter most.

K2 Horizon 375B-A23B
Institute of Foundation Models
Ling 3.0 Flash
InclusionAI
Core performance indexes
LLM Stats Score
38.5
#83
35.4
#107
Reasoning
37.3
#87
34.6
#107
Coding
21.2
#114
24.4
#94
Agents
23.9
#74
19.0
#93
Cost, coverage & limits
Benchmark wins
5 of 6
1 of 6
Input price
— / M
$0.06 / M
Output price
— / M
$0.18 / M
Context window
—
131,072

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
K2 Horizon 375B-A23B
Ling 3.0 Flash
Math
29.7#89
29.6#91
Tool use
22.3#62
16.5#102
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

18 reported for K2 Horizon 375B-A23B · 19 for Ling 3.0 Flash

6 shared

K2 Horizon 375B-A23B outperforms in 5 benchmarks (AA-LCR, BrowseComp, GDPval-AA, Tau3 Banking, Terminal-Bench 2.1), while Ling 3.0 Flash is better at 1 benchmark (SWE-Bench Pro).

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

Fri Oct 30 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

251.0B diff

K2 Horizon 375B-A23B has 251.0B more parameters than Ling 3.0 Flash, making it 202.4% larger.

Institute of Foundation Models
K2 Horizon 375B-A23B
375.0Bparameters
InclusionAI
Ling 3.0 Flash
124.0Bparameters
375.0B
K2 Horizon 375B-A23B
124.0B
Ling 3.0 Flash

Context Window

Maximum input and output token capacity

Only Ling 3.0 Flash specifies input context (131,072 tokens). Only Ling 3.0 Flash specifies output context (131,072 tokens).

Institute of Foundation Models
K2 Horizon 375B-A23B
Input- tokens
Output- tokens
InclusionAI
Ling 3.0 Flash
Input131,072 tokens
Output131,072 tokens
Fri Oct 30 2026 • llm-stats.com

Release Timeline

When each model was launched

K2 Horizon 375B-A23B was released on 2026-09-03, while Ling 3.0 Flash was released on 2026-08-04.

K2 Horizon 375B-A23B is 1 month newer than Ling 3.0 Flash.

K2 Horizon 375B-A23B

Sep 3, 2026

1 months ago

1mo newer
Ling 3.0 Flash

Aug 4, 2026

2 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

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against K2 Horizon 375B-A23B and Ling 3.0 Flash side-by-side, then vote on the output you prefer.

K2 Horizon 375B-A23B
✓ Preferred
Ling 3.0 Flash
Open in Playground

FAQ

Common questions about K2 Horizon 375B-A23B vs Ling 3.0 Flash.

Which is better, K2 Horizon 375B-A23B or Ling 3.0 Flash?

K2 Horizon 375B-A23B and Ling 3.0 Flash are closely matched on the LLM Stats Score at 38.5 and 35.4. K2 Horizon 375B-A23B is made by Institute of Foundation Models and Ling 3.0 Flash is made by InclusionAI. 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 Ling 3.0 Flash 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%. Ling 3.0 Flash scores AIME 2026: 93.2%, Multi-IF: 87.7%, HMMT Feb 26: 87.0%, IMO-AnswerBench: 83.7%, LiveCodeBench v6: 82.8%.

What are the context window sizes for K2 Horizon 375B-A23B and Ling 3.0 Flash?

K2 Horizon 375B-A23B supports an unknown number of tokens and Ling 3.0 Flash supports 131K 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 375B-A23B and Ling 3.0 Flash?

Key differences include LLM Stats Score (38.5 vs 35.4), licensing (Apache 2.0 vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes K2 Horizon 375B-A23B and Ling 3.0 Flash?

K2 Horizon 375B-A23B is developed by Institute of Foundation Models and Ling 3.0 Flash is developed by InclusionAI.

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