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K-EXAONE-236B-A23B vs Nova 2 Omni

K-EXAONE-236B-A23B and Nova 2 Omni are closely matched at 26.2 and 25.7 on the LLM Stats Score.

LG AI Research · Amazon · Updated for 2026

Which is better?

K-EXAONE-236B-A23B and Nova 2 Omni are closely matched on the overall LLM Stats Score at 26.2 and 25.7.

In the 3 individual benchmarks reported for both models, K-EXAONE-236B-A23B wins 2; 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 K-EXAONE-236B-A23B

  • you value its reported benchmark strengths — it wins 2 of 3 exact shared results
  • you want the most recent training data — it shipped Dec 2025

Choose Nova 2 Omni

  • you are already invested in the Amazon ecosystem

At a glance

The differences that matter most.

K-EXAONE-236B-A23B
LG AI Research
Nova 2 Omni
Amazon
Core performance indexes
LLM Stats Score
26.2
#151
25.7
#155
Reasoning
27.2
#139
28.0
#131
Agents
4.0
#157
4.7
#151
Cost, coverage & limits
Benchmark wins
2 of 3
1 of 3
Input price
$0.60 / M
— / M
Output price
$1.00 / M
— / M
Context window
32,768
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
K-EXAONE-236B-A23B
Nova 2 Omni
Math
28.0#96
25.1#114
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for K-EXAONE-236B-A23B · 18 for Nova 2 Omni

3 shared

K-EXAONE-236B-A23B outperforms in 2 benchmarks (AIME 2025, MMLU-Pro), while Nova 2 Omni is better at 1 benchmark (IFBench).

K-EXAONE-236B-A23B shows notably better performance in the majority of benchmarks.

Thu Sep 17 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only K-EXAONE-236B-A23B specifies input context (32,768 tokens). Only K-EXAONE-236B-A23B specifies output context (32,768 tokens).

LG AI Research
K-EXAONE-236B-A23B
Input32,768 tokens
Output32,768 tokens
Amazon
Nova 2 Omni
Input- tokens
Output- tokens
Thu Sep 17 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Nova 2 Omni supports multimodal inputs, whereas K-EXAONE-236B-A23B does not.

Nova 2 Omni can handle both text and other forms of data like images, making it suitable for multimodal applications.

K-EXAONE-236B-A23B

Text
Images
Audio
Video

Nova 2 Omni

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.

K-EXAONE-236B-A23B

Proprietary

Closed source

Nova 2 Omni

Proprietary

Closed source

Release Timeline

When each model was launched

K-EXAONE-236B-A23B was released on 2025-12-31, while Nova 2 Omni was released on 2025-12-02.

K-EXAONE-236B-A23B is 1 month newer than Nova 2 Omni.

K-EXAONE-236B-A23B

Dec 31, 2025

8 months ago

4w newer
Nova 2 Omni

Dec 2, 2025

9 months ago

Knowledge Cutoff

When training data ends

K-EXAONE-236B-A23B has a documented knowledge cutoff of 2025-10-01, while Nova 2 Omni's cutoff date is not specified.

We can confirm K-EXAONE-236B-A23B's training data extends to 2025-10-01, but cannot make a direct comparison without Nova 2 Omni's cutoff date.

K-EXAONE-236B-A23B

Oct 2025

Nova 2 Omni

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against K-EXAONE-236B-A23B and Nova 2 Omni side-by-side, then vote on the output you prefer.

K-EXAONE-236B-A23B
✓ Preferred
Nova 2 Omni
Open in Playground

FAQ

Common questions about K-EXAONE-236B-A23B vs Nova 2 Omni.

Which is better, K-EXAONE-236B-A23B or Nova 2 Omni?

K-EXAONE-236B-A23B and Nova 2 Omni are closely matched on the LLM Stats Score at 26.2 and 25.7. K-EXAONE-236B-A23B is made by LG AI Research and Nova 2 Omni is made by Amazon. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does K-EXAONE-236B-A23B compare to Nova 2 Omni in benchmarks?

K-EXAONE-236B-A23B scores AIME 2025: 92.8%, MMMLU: 85.7%, MMLU-Pro: 83.8%, LiveCodeBench v6: 80.7%, t2-bench: 73.2%. Nova 2 Omni scores AIME 2025: 92.1%, RefCOCOg: 86.3%, ScreenSpot: 85.4%, MMLU-Pro: 80.7%, Tau2 Telecom: 80.0%.

What are the context window sizes for K-EXAONE-236B-A23B and Nova 2 Omni?

K-EXAONE-236B-A23B supports 33K tokens and Nova 2 Omni supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between K-EXAONE-236B-A23B and Nova 2 Omni?

Key differences include LLM Stats Score (26.2 vs 25.7), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes K-EXAONE-236B-A23B and Nova 2 Omni?

K-EXAONE-236B-A23B is developed by LG AI Research and Nova 2 Omni is developed by Amazon.

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