Model Comparison

Grok 4.5 vs K-EXAONE-236B-A23BWhich is better in 2026?

Comparing Grok 4.5 and K-EXAONE-236B-A23B across benchmarks, pricing, and capabilities.

Verdict: Grok 4.5 vs K-EXAONE-236B-A23B — which is better?

Grok 4.5 (by xAI) and K-EXAONE-236B-A23B (by LG AI Research) 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.

On price, K-EXAONE-236B-A23B is roughly 4.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Grok 4.5 also accepts a larger context window (500,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Grok 4.5 if…

  • you process long inputs — it offers a 500,000 token context window
  • you want the most recent training data — it shipped Jul 2026

Choose K-EXAONE-236B-A23B if…

  • cost matters — it's about 4.3x cheaper per token

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok 4.5 and K-EXAONE-236B-A23Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

K-EXAONE-236B-A23B costs less

For input processing, Grok 4.5 ($2.00/1M tokens) is 3.3x more expensive than K-EXAONE-236B-A23B ($0.60/1M tokens).

For output processing, Grok 4.5 ($6.00/1M tokens) is 6.0x more expensive than K-EXAONE-236B-A23B ($1.00/1M tokens).

In conclusion, Grok 4.5 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 21 2026 • llm-stats.com
xAI
Grok 4.5
Input tokens$2.00
Output tokens$6.00
Best providerxAI
LG AI Research
K-EXAONE-236B-A23B
Input tokens$0.60
Output tokens$1.00
Best providerFriendliAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Grok 4.5 accepts 500,000 input tokens compared to K-EXAONE-236B-A23B's 32,768 tokens. Only K-EXAONE-236B-A23B specifies output context (32,768 tokens).

xAI
Grok 4.5
Input500,000 tokens
Output- tokens
LG AI Research
K-EXAONE-236B-A23B
Input32,768 tokens
Output32,768 tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok 4.5 supports multimodal inputs, whereas K-EXAONE-236B-A23B does not.

Grok 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok 4.5

Text
Images
Audio
Video

K-EXAONE-236B-A23B

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.

Grok 4.5

Proprietary

Closed source

K-EXAONE-236B-A23B

Proprietary

Closed source

Release Timeline

When each model was launched

Grok 4.5 was released on 2026-07-16, while K-EXAONE-236B-A23B was released on 2025-12-31.

Grok 4.5 is 7 months newer than K-EXAONE-236B-A23B.

Grok 4.5

Jul 16, 2026

5 days ago

6mo newer
K-EXAONE-236B-A23B

Dec 31, 2025

6 months ago

Knowledge Cutoff

When training data ends

Grok 4.5 has a knowledge cutoff of 2026-02-01, while K-EXAONE-236B-A23B has a cutoff of 2025-10-01.

Grok 4.5 has more recent training data (up to 2026-02-01), making it potentially better informed about events through that date compared to K-EXAONE-236B-A23B (2025-10-01).

Grok 4.5

Feb 2026

4 mo newer
K-EXAONE-236B-A23B

Oct 2025

Provider Availability

Grok 4.5 is available from xAI. K-EXAONE-236B-A23B is available from FriendliAI.

Grok 4.5

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M

K-EXAONE-236B-A23B

friendli logo
FriendliAI
Input Price:Input: $0.60/1MOutput Price:Output: $1.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

xAI
Larger context window (500,000 tokens)
Supports multimodal inputs
LG AI Research
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Grok 4.5 and K-EXAONE-236B-A23B side-by-side, then vote on the output you prefer.

Grok 4.5
✓ Preferred
K-EXAONE-236B-A23B
Open in Playground
AI Model Comparison Table
Feature
xAI
Grok 4.5
LG AI Research
K-EXAONE-236B-A23B

FAQ

Common questions about Grok 4.5 vs K-EXAONE-236B-A23B.

Which is better, Grok 4.5 or K-EXAONE-236B-A23B?

Grok 4.5 (xAI) and K-EXAONE-236B-A23B (LG AI Research) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Grok 4.5 compare to K-EXAONE-236B-A23B in benchmarks?

Grok 4.5 scores GPQA: 93.0%, Terminal-Bench 2.1: 83.3%, Artificial Analysis Coding Agent Index v1.1: 76.0%, SWE-Bench Pro: 64.7%, AA-Omniscience Index: 63.0%. K-EXAONE-236B-A23B scores AIME 2025: 92.8%, MMMLU: 85.7%, MMLU-Pro: 83.8%, LiveCodeBench v6: 80.7%, t2-bench: 73.2%.

Is Grok 4.5 cheaper than K-EXAONE-236B-A23B?

K-EXAONE-236B-A23B is 3.3x cheaper for input tokens. Grok 4.5 costs $2.00/M input and $6.00/M output via xai. K-EXAONE-236B-A23B costs $0.60/M input and $1.00/M output via friendli.

What are the context window sizes for Grok 4.5 and K-EXAONE-236B-A23B?

Grok 4.5 supports 500K tokens and K-EXAONE-236B-A23B supports 33K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok 4.5 and K-EXAONE-236B-A23B?

Key differences include context window (500K vs 33K), input pricing ($2.00 vs $0.60/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok 4.5 and K-EXAONE-236B-A23B?

Grok 4.5 is developed by xAI and K-EXAONE-236B-A23B is developed by LG AI Research.

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