Gemini 3.5 Flash Lite vs GLM-5.3: cost

For a typical support chatbot, Gemini 3.5 Flash Lite is about 2.2× cheaper than GLM-5.3 ($175 vs $393 per month). Price is only one factor: test both on your own prompts before switching.

Gemini 3.5 Flash Lite vs GLM-5.3: prices and limits
Gemini 3.5 Flash LiteGLM-5.3
Input /1M$0.30$1.40
Output /1M$2.50$4.40
Cached input /1M$0.03$0.26
Batch input /1M$0.15—
Batch output /1M$1.25—
Context window1,048,5761,000,000
Max input1,048,5761,000,000
Max output65,536128,000

Monthly cost by workload

Estimated monthly cost by workload (USD)
Scenario (per month)Gemini 3.5 Flash LiteGLM-5.3
Customer support chatbot
5,000 req/day · 1,200 in · 400 out · cache 60%		$175$393
RAG over documents
2,000 req/day · 8,000 in · 600 out · cache 30%		$195$666
Coding agent
1,500 req/day · 25,000 in · 2,000 out · cache 80%		$320$945
Deep reasoning
800 req/day · 3,000 in · 6,000 out · cache 20%		$378$718
Batch processing
50,000 req/day · 1,500 in · 150 out · batch		$619$4,140