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GLM 5.3 vs GPT 5.6 Luna

Side-by-side comparison of token prices, context windows, and capabilities across official model makers.

SpecificationGLM 5.3
glm-5.3
GPT 5.6 Luna
gpt-5.6-luna
Official providerZ.aiOpenAI
Input / 1M
$1.40$0.49save $0.91
$0.20$0.07save $0.13
Cheaper
Output / 1M
$4.40$1.54save $2.86
$1.20$0.42save $0.78
Cheaper
Context
1M
1.05MLarger context
Max out131K128K
Capabilities
visiontoolsreasoningcache
visiontoolsreasoningcache
30-day workload (30M input · 80% cached · 3M output)
Estimated monthly spend on AivoKey
$19.32$3.36
Model detailsGLM 5.3 →GPT 5.6 Luna →

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