Detailed comparison of capabilities, features, and performance.
| Feature | GLM 5.2 | Claude 4.6 Opus |
|---|---|---|
| AI Lab | Z.ai | Anthropic |
| Context Size | 1,000,000 tokens | 1,000,000 tokens |
| Max Output Size | 131,072 tokens | 125,000 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | No | Yes |
| Description | GLM-5.2 introduces a robust 1M-token context and advanced, multi-effort coding capabilities to significantly enhance performance on long-horizon tasks. Its new IndexShare architecture and improved MTP layer simultaneously boost efficiency by reducing per-token FLOPs and increasing speculative decoding lengths. 743B parameter MoE. | The latest Opus 4.6 model from Anthropic |
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