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Claude Opus 4.8 vs GLM 5.3 Flash
Side-by-side comparison of token prices, context windows, and capabilities across official model makers.
| Specification | Claude Opus 4.8 claude-opus-4-8 | GLM 5.3 Flash glm-5.3-flash |
|---|---|---|
| Official provider | Anthropic | Z.ai |
| Input / 1M | $5$1.75save $3.25 | $0.15$0.0525save $0.0975 Cheaper |
| Output / 1M | $25$8.75save $16.25 | $0.50$0.175save $0.325 Cheaper |
| Context | 1M | 1M |
| Max out | 128K | 131K |
| Capabilities | visiontoolsreasoningcachefile | visiontoolsreasoningcachefile |
30-day workload (30M input · 80% cached · 3M output) Estimated monthly spend on AivoKey | $78.75 | $2.10 |
| Model details | Claude Opus 4.8 → | GLM 5.3 Flash → |