Gemini 3.8 Flash vs GLM 5.3 Prime Pricing Comparison

Head-to-head token pricing, context window limits, and blended inference cost comparison between Gemini 3.8 Flash (Google) and GLM 5.3 Prime (Zhipu AI).

Direct Answer Summary (3:1 Blended Cost)

GLM 5.3 Prime costs 2.6x more than Gemini 3.8 Flash on a 3:1 blended token workload. Gemini 3.8 Flash has a context window of 1049k tokens, while GLM 5.3 Prime provides 1000k tokens.

Google

Gemini 3.8 Flash

Input / 1M
$0.8250
Output / 1M
$4.1250
3:1 Blended / 1M
$1.6500
Context Window
1049k tokens
Zhipu AI

GLM 5.3 Prime

Input / 1M
$2.8000
Output / 1M
$8.8000
3:1 Blended / 1M
$4.3000
Context Window
1000k tokens
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