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K-EXAONE-236B-A23B vs o4-mini

K-EXAONE-236B-A23B and o4-mini are closely matched at 26.2 and 27.5 on the LLM Stats Score. K-EXAONE-236B-A23B is 2.8x cheaper per token.

LG AI Research · OpenAI · Updated for 2026

Which is better?

K-EXAONE-236B-A23B and o4-mini are closely matched on the overall LLM Stats Score at 26.2 and 27.5.

In the 1 individual benchmarks reported for both models, K-EXAONE-236B-A23B wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, K-EXAONE-236B-A23B is roughly 2.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

o4-mini also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

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 1 of 1 exact shared results
  • cost matters — it's about 2.8x cheaper per token
  • you want the most recent training data — it shipped Dec 2025

Choose o4-mini

  • you process long inputs — it offers a 200,000 token context window

At a glance

The differences that matter most.

Core performance indexes
26.2
#150
27.5
#142
27.2
#138
27.5
#135
4.1
#158
7.2
#138
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.60 / M
$1.10 / M
Output price
$1.00 / M
$4.40 / M
Context window
32,768
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
K-EXAONE-236B-A23B
o4-mini
28.0#96
27.6#97
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for K-EXAONE-236B-A23B · 14 for o4-mini

1 shared

K-EXAONE-236B-A23B outperforms in 1 benchmarks (AIME 2025), while o4-mini is better at 0 benchmarks.

K-EXAONE-236B-A23B significantly outperforms across most benchmarks.

Sat Sep 12 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

K-EXAONE-236B-A23B costs less

For input processing, K-EXAONE-236B-A23B ($0.60/1M tokens) is 1.8x cheaper than o4-mini ($1.10/1M tokens).

For output processing, K-EXAONE-236B-A23B ($1.00/1M tokens) is 4.4x cheaper than o4-mini ($4.40/1M tokens).

In conclusion, o4-mini is more expensive than K-EXAONE-236B-A23B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sat Sep 12 2026 • llm-stats.com
LG AI Research
K-EXAONE-236B-A23B
Input tokens$0.60
Output tokens$1.00
Best providerFriendliAI
OpenAI
o4-mini
Input tokens$1.10
Output tokens$4.40
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

o4-mini accepts 200,000 input tokens compared to K-EXAONE-236B-A23B's 32,768 tokens. o4-mini can generate longer responses up to 100,000 tokens, while K-EXAONE-236B-A23B is limited to 32,768 tokens.

LG AI Research
K-EXAONE-236B-A23B
Input32,768 tokens
Output32,768 tokens
OpenAI
o4-mini
Input200,000 tokens
Output100,000 tokens
Sat Sep 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

o4-mini supports multimodal inputs, whereas K-EXAONE-236B-A23B does not.

o4-mini 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

o4-mini

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

o4-mini

Proprietary

Closed source

Release Timeline

When each model was launched

K-EXAONE-236B-A23B was released on 2025-12-31, while o4-mini was released on 2025-04-16.

K-EXAONE-236B-A23B is 9 months newer than o4-mini.

K-EXAONE-236B-A23B

Dec 31, 2025

8 months ago

8mo newer
o4-mini

Apr 16, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

K-EXAONE-236B-A23B has a knowledge cutoff of 2025-10-01, while o4-mini has a cutoff of 2024-05-31.

K-EXAONE-236B-A23B has more recent training data (up to 2025-10-01), making it potentially better informed about events through that date compared to o4-mini (2024-05-31).

K-EXAONE-236B-A23B

Oct 2025

1.4 yr newer
o4-mini

May 2024

Provider Availability

K-EXAONE-236B-A23B is available from FriendliAI. o4-mini is available from OpenAI.

K-EXAONE-236B-A23B

friendli logo
FriendliAI
Input Price:Input: $0.60/1MOutput Price:Output: $1.00/1M

o4-mini

openai logo
OpenAI
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against K-EXAONE-236B-A23B and o4-mini side-by-side, then vote on the output you prefer.

K-EXAONE-236B-A23B
✓ Preferred
o4-mini
Open in Playground

FAQ

Common questions about K-EXAONE-236B-A23B vs o4-mini.

Which is better, K-EXAONE-236B-A23B or o4-mini?

K-EXAONE-236B-A23B and o4-mini are closely matched on the LLM Stats Score at 26.2 and 27.5. K-EXAONE-236B-A23B is made by LG AI Research and o4-mini is made by OpenAI. 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 o4-mini 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%. o4-mini scores AIME 2024: 93.4%, AIME 2025: 92.7%, MathVista: 84.3%, MMMU: 81.6%, GPQA: 81.4%.

Is K-EXAONE-236B-A23B cheaper than o4-mini?

K-EXAONE-236B-A23B is 1.8x cheaper for input tokens. K-EXAONE-236B-A23B costs $0.60/M input and $1.00/M output via friendli. o4-mini costs $1.10/M input and $4.40/M output via openai.

What are the context window sizes for K-EXAONE-236B-A23B and o4-mini?

K-EXAONE-236B-A23B supports 33K tokens and o4-mini supports 200K 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 o4-mini?

Key differences include LLM Stats Score (26.2 vs 27.5), context window (33K vs 200K), input pricing ($0.60 vs $1.10/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes K-EXAONE-236B-A23B and o4-mini?

K-EXAONE-236B-A23B is developed by LG AI Research and o4-mini is developed by OpenAI.