Model Comparison

Claude Opus 4.1 vs K-EXAONE-236B-A23B

Both models are evenly matched across the benchmarks. K-EXAONE-236B-A23B is 42.9x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude Opus 4.1 outperforms in 1 benchmarks (MMMLU), while K-EXAONE-236B-A23B is better at 1 benchmark (AIME 2025).

Both models are evenly matched across the benchmarks.

Tue Apr 14 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, Claude Opus 4.1 ($15.00/1M tokens) is 25.0x more expensive than K-EXAONE-236B-A23B ($0.60/1M tokens).

For output processing, Claude Opus 4.1 ($75.00/1M tokens) is 75.0x more expensive than K-EXAONE-236B-A23B ($1.00/1M tokens).

In conclusion, Claude Opus 4.1 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 Apr 14 2026 • llm-stats.com
Anthropic
Claude Opus 4.1
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
LG AI Research
K-EXAONE-236B-A23B
Input tokens$0.60
Output tokens$1.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4.1 accepts 200,000 input tokens compared to K-EXAONE-236B-A23B's 32,768 tokens. K-EXAONE-236B-A23B can generate longer responses up to 32,768 tokens, while Claude Opus 4.1 is limited to 32,000 tokens.

Anthropic
Claude Opus 4.1
Input200,000 tokens
Output32,000 tokens
LG AI Research
K-EXAONE-236B-A23B
Input32,768 tokens
Output32,768 tokens
Tue Apr 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 4.1 supports multimodal inputs, whereas K-EXAONE-236B-A23B does not.

Claude Opus 4.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 4.1

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.

Claude Opus 4.1

Proprietary

Closed source

K-EXAONE-236B-A23B

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4.1 was released on 2025-08-05, while K-EXAONE-236B-A23B was released on 2025-12-31.

K-EXAONE-236B-A23B is 5 months newer than Claude Opus 4.1.

Claude Opus 4.1

Aug 5, 2025

8 months ago

K-EXAONE-236B-A23B

Dec 31, 2025

3 months ago

4mo newer

Knowledge Cutoff

When training data ends

K-EXAONE-236B-A23B has a documented knowledge cutoff of 2025-10-01, while Claude Opus 4.1's cutoff date is not specified.

We can confirm K-EXAONE-236B-A23B's training data extends to 2025-10-01, but cannot make a direct comparison without Claude Opus 4.1's cutoff date.

Claude Opus 4.1

—

K-EXAONE-236B-A23B

Oct 2025

Provider Availability

Claude Opus 4.1 is available from Anthropic, Bedrock, Google. K-EXAONE-236B-A23B is available from FriendliAI.

Claude Opus 4.1

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

K-EXAONE-236B-A23B

friendli logo
Unknown Organization
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

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Higher MMMLU score (89.5% vs 85.7%)
LG AI Research
Less expensive input tokens
Less expensive output tokens
Higher AIME 2025 score (92.8% vs 78.0%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.1
LG AI Research
K-EXAONE-236B-A23B

FAQ

Common questions about Claude Opus 4.1 vs K-EXAONE-236B-A23B

Both models are evenly matched across the benchmarks. Claude Opus 4.1 is made by Anthropic and K-EXAONE-236B-A23B is made by LG AI Research. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude Opus 4.1 scores MMMLU: 89.5%, TAU-bench Retail: 82.4%, GPQA: 80.9%, AIME 2025: 78.0%, MMMU (validation): 77.1%. K-EXAONE-236B-A23B scores AIME 2025: 92.8%, MMMLU: 85.7%, MMLU-Pro: 83.8%, LiveCodeBench v6: 80.7%, t2-bench: 73.2%.
K-EXAONE-236B-A23B is 25.0x cheaper for input tokens. Claude Opus 4.1 costs $15.00/M input and $75.00/M output via anthropic. K-EXAONE-236B-A23B costs $0.60/M input and $1.00/M output via friendli.
Claude Opus 4.1 supports 200K 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.
Key differences include context window (200K vs 33K), input pricing ($15.00 vs $0.60/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.
Claude Opus 4.1 is developed by Anthropic and K-EXAONE-236B-A23B is developed by LG AI Research.