Claude Opus 4.5 vs K-EXAONE-236B-A23B: Specs & Benchmark Comparison
| Characteristic | Claude Opus 4.5 | K-EXAONE-236B-A23B |
|---|---|---|
| Company | Anthropic | LG AI Research |
| Release Date | November 23, 2025 | December 30, 2025 |
| Parameters | — | 236B |
| Multimodal | Yes | No |
| Context (input) | 200K | 33K |
| Context (output) | 64K | 33K |
| Input Price / 1M | $5.00 | $0.60 |
| Output Price / 1M | $25.00 | $1.00 |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| MMMLU | 0.9 | 0.9 |
Visual Benchmark Comparison
Claude Opus 4.5
K-EXAONE-236B-A23B
MMMLU0.9 vs 0.9
0.9
0.9
Verdict
K-EXAONE-236B-A23B leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Opus 4.5 — 0.9, K-EXAONE-236B-A23B — 0.8.
API Cost
K-EXAONE-236B-A23B is 18.8x cheaper: input $0.60/1M vs $5.00/1M tokens.
Context Window
Claude Opus 4.5 supports a larger context: 200K vs 33K tokens.
Recency
K-EXAONE-236B-A23B is newer: released 12/30/2025 vs 11/23/2025.
More About These Models
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The Claude Opus 4.5 and K-EXAONE-236B-A23B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Opus 4.5 or K-EXAONE-236B-A23B page. See also the complete list of AI model comparisons.