Claude Opus 4.6 vs GLM-4.5: Specs & Benchmark Comparison
| Characteristic | Claude Opus 4.6 | GLM-4.5 |
|---|---|---|
| Company | Anthropic | Zhipu AI |
| Release Date | February 4, 2026 | July 27, 2025 |
| Parameters | — | 355B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 131K |
| Context (output) | 128K | 98K |
| Input Price / 1M | $5.00 | $0.60 |
| Output Price / 1M | $25.00 | $2.20 |
| Average Score | 0.8 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.8 |
Visual Benchmark Comparison
Claude Opus 4.6
GLM-4.5
GPQA0.9 vs 0.8
0.9
0.8
Verdict
Claude Opus 4.6 leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Opus 4.6 — 0.8, GLM-4.5 — 0.8.
API Cost
GLM-4.5 is 10.7x cheaper: input $0.60/1M vs $5.00/1M tokens.
Context Window
Claude Opus 4.6 supports a larger context: 1M vs 131K tokens.
Recency
Claude Opus 4.6 is newer: released 2/4/2026 vs 7/27/2025.
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The Claude Opus 4.6 and GLM-4.5 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 4.6 or GLM-4.5 page. See also the complete list of AI model comparisons.