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DeepSeek: DeepSeek V4 Flash Vision Exp vs Z.ai: GLM 5.3 Prime

DeepSeek: DeepSeek V4 Flash Vision Exp is 13.4× cheaper for the sample workload; DeepSeek: DeepSeek V4 Flash Vision Exp has the larger context window.

MetricDeepSeek: DeepSeek V4 Flash Vision ExpZ.ai: GLM 5.3 Prime
Model IDdeepseek/deepseek-v4-flash-vision-expz-ai/glm-5.3-prime
Prompt price$0.2156 / 1M tokens$2.80 / 1M tokens
Completion price$0.6468 / 1M tokens$8.80 / 1M tokens
Context1,048,576 tokens1,000,000 tokens
Tool calling✓✓
Structured outputs✓–
Reasoning✓✓
Response format✓✓
Web search––
Input modalitiestext, imagetext
Output modalitiestexttext
Added2026-08-212026-09-23

Sample workload

Chat app: 1,000 prompt + 500 completion tokens × 100 requests per day.

CostDeepSeek: DeepSeek V4 Flash Vision ExpZ.ai: GLM 5.3 Prime
Per day$0.0539$0.72
Per 30 days$1.62$21.60

Difference: $0.67 per day and $19.98 per 30 days.

Data updated 2026-10-30