K EXAONE
Dec 2025
K EXAONECompare inon
Benchmarks of K EXAONE15
BenchmarkByScoreRank
Overall1
Knowledge4
Science2
Coding1
Agents1
Documents1
Legacy · saturated or no longer reported5
No benchmark matches
—per task?
self-host onlyprice
—output speed?
262Kcontext
Rankingin thinking mode?
Alternatives?
ModelScoreCostPer taskWhat changes
BetterGPT-6 Lunalow+50%—$0.005Function calling only with none · Chat Completions+3
OpenGLM 5.3 Flashmax×2.9—$0.28Memory (4-bit): 142 GB → 193 GB+5BetterGPT-5.6 Lunalow+46%—$0.01
BetterMiMo v2.5thinkingOpen+52%—$0.019Memory (4-bit): 142 GB → 186 GB
BetterClaude Haiku 5.5low×2—$0.024Remove sampling parameters+5ModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
GPT-6 Lunalow+50%—$0.005Function calling only with none · Chat Completions+3GPT-5.6 Lunalow+46%—$0.01MiMo v2.5thinkingOpen+52%—$0.019Memory (4-bit): 142 GB → 186 GBClaude Haiku 5.5low×2—$0.024Remove sampling parameters+5GPT-5 Minihigh+17%—$0.053ModelScoreCostPer taskWhat changes
GLM 5.3 FlashmaxOpen×2.9—$0.28Memory (4-bit): 142 GB → 193 GB+5
Ling 3.1 FlashOpen×2.9—$1.00Memory (4-bit): 142 GB → 343 GB
Qwen3.8 FlashthinkingOpen×2.8—$0.37max_tokens range · QwenCloud+5MiMo v2.6 FlashthinkingOpen×2.6—$0.062Memory (4-bit): 142 GB → 186 GB+4Qwen3.8 27BxhighOpen×2.3—$1.01max_tokens range · QwenCloud+4Run it yourself
estimateFits on✗ 8 GB (phone, laptop)✗ 16 GB✗ 24 GB GPU✗ 48 GB GPU✗ 80 GB GPU
Licencek-exaonecommercial use with conditions
History
2 versionsBenchmarks
all categoriesChat & Knowledge
Humanity's Last Exam13.9#149
AA Omniscience Index-58#246
CritPt (physics)1.1#129
AA Intelligence Index 4.3.2≈14.4#151
AA Omniscience · Accuracy16.4#214
AA-LCR (long context) 1.161.3#153
GPQA Diamond78.3#124
AIME 2025 · AA archived90.3#15
Coding
Terminal-Bench 2.130.3#96
LiveCodeBench · AA archived76.8#26
Agents & Tool Use
τ²-bench · AA74.3#90
Writing & Language
IFBench (instructions)64.7#72
FAQ
How much does K EXAONE cost?›
There is no per-unit API price: self-host only.
Is K EXAONE free to use?›
There is no free API. The weights are open, so you can run it yourself.
How good is K EXAONE, and what is it best at?›
#148 of 334 in Chat & Knowledge, #84 of 239 in Coding, #122 of 175 in Agents & Tool Use, #72 of 245 in Writing & Language.
Is K EXAONE better than DeepSeek V3.2 Speciale?›
On AA Intelligence Index 4.3.2, K EXAONE scores 14.4 vs 14.5 — about the same.
What is the context window of K EXAONE?›
262K tokens.
When was K EXAONE released? Is there a newer version?›
Released 2025-12-31. It has been superseded by K-EXAONE 2.0 0803.
Is K EXAONE open source?›
Yes, the weights are open (k-exaone licence).
Can I run K EXAONE locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
Can K EXAONE read images?›
No, it accepts text only.
What is K EXAONE?›
K EXAONE is an open-weights language model from LG AI Research, released Dec 2025.
What are the best alternatives to K EXAONE?›
GPT-6 Luna (better), GLM 5.3 Flash (open weights).