GPT-4.1 nano vs K-Exaone

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

GPT-4.1 nano has the cleaner overall profile here, landing at 51 versus 49. It is a real lead, but still close enough that category-level strengths matter more than the headline number.

K-Exaone is the reasoning model in the pair, while GPT-4.1 nano is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. GPT-4.1 nano gives you the larger context window at 1M, compared with 256K for K-Exaone.

Quick Verdict

Pick GPT-4.1 nano if you want the stronger benchmark profile. K-Exaone only becomes the better choice if coding is the priority or you want the stronger reasoning-first profile.

Agentic

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

43%
Terminal-Bench 2.0
Coming soon
62%
BrowseComp
Coming soon
42%
OSWorld-Verified
Coming soon

Coding

K-Exaone

GPT-4.1 nano

18

K-Exaone

49.4

18%
SWE-bench Pro
Coming soon
Coming soon
SWE-bench Verified
49.4%

Multimodal & Grounded

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Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

53%
MMMU-Pro
Coming soon
67%
OfficeQA Pro
Coming soon

Reasoning

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

75%
LongBench v2
Coming soon
73%
MRCRv2
Coming soon

Knowledge

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Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

80.1%
MMLU
Coming soon
50.3%
GPQA
Coming soon
51%
FrontierScience
Coming soon

Instruction Following

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

83.2%
IFEval
Coming soon

Multilingual

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

59%
MMLU-ProX
Coming soon

Mathematics

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

9.8%
AIME 2024
Coming soon

Frequently Asked Questions

Which is better, GPT-4.1 nano or K-Exaone?

GPT-4.1 nano is ahead overall, 51 to 49.

Which is better for coding, GPT-4.1 nano or K-Exaone?

K-Exaone has the edge for coding in this comparison, averaging 49.4 versus 18. GPT-4.1 nano stays close enough that the answer can still flip depending on your workload.

Last updated: March 18, 2026

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