Model Comparison

K-EXAONE-236B-A23B vs o4-miniWhich is better in 2026?

K-EXAONE-236B-A23B significantly outperforms across most benchmarks. K-EXAONE-236B-A23B is 2.8x cheaper per token.

Verdict: K-EXAONE-236B-A23B vs o4-mini — which is better?

K-EXAONE-236B-A23B (by LG AI Research) and o4-mini (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

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.

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.

Choose K-EXAONE-236B-A23B if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • cost matters — it's about 2.8x cheaper per token
  • you want the most recent training data — it shipped Dec 2025

Choose o4-mini if…

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

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

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.

Tue Jul 28 2026 • llm-stats.com

Arena Performance

Human preference votes

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
Tue Jul 28 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
Tue Jul 28 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

6 months ago

8mo newer
o4-mini

Apr 16, 2025

1.3 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

Key Takeaways

Less expensive input tokens
Less expensive output tokens
Higher AIME 2025 score (92.8% vs 92.7%)
Larger context window (200,000 tokens)
Supports multimodal inputs
LG AI ResearchK-EXAONE-236B-A23B
OpenAIo4-mini

Detailed Comparison

Interactive Arena

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
AI Model Comparison Table
Feature
LG AI Research
K-EXAONE-236B-A23B
OpenAI
o4-mini

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 significantly outperforms across most benchmarks. 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 benchmark scores, pricing, and capabilities 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 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.