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GLM 5.3 Flash vs GPT 5.6 Luna
Side-by-side comparison of token prices, context windows, and capabilities across official model makers.
| Specification | GLM 5.3 Flash glm-5.3-flash | GPT 5.6 Luna gpt-5.6-luna |
|---|---|---|
| Official provider | Z.ai | OpenAI |
| Input / 1M | $0.15$0.0525save $0.0975 Cheaper | $0.20$0.07save $0.13 |
| Output / 1M | $0.50$0.175save $0.325 Cheaper | $1.20$0.42save $0.78 |
| Context | 1M | 1.05MLarger context |
| Max out | 131K | 128K |
| Capabilities | visiontoolsreasoningcachefile | visiontoolsreasoningcache |
30-day workload (30M input · 80% cached · 3M output) Estimated monthly spend on AivoKey | $2.10 | $3.36 |
| Model details | GLM 5.3 Flash → | GPT 5.6 Luna → |