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Gemini 3.1 Pro vs GLM 5.3 Flash

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

SpecificationGemini 3.1 Pro
gemini-3.1-pro
GLM 5.3 Flash
glm-5.3-flash
Official providerGoogleZ.ai
Input / 1M
$4$1.40save $2.60
$0.15$0.0525save $0.0975
Cheaper
Output / 1M
$18$6.30save $11.70
$0.50$0.175save $0.325
Cheaper
Context
1.05MLarger context
1M
Max out65.5K131K
Capabilities
visiontoolsreasoningcache
visiontoolsreasoningcachefile
30-day workload (30M input · 80% cached · 3M output)
Estimated monthly spend on AivoKey
$60.90$2.10
Model detailsGemini 3.1 Pro →GLM 5.3 Flash →

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