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DeepSeek: DeepSeek V4 Flash Vision Exp vs MoonshotAI: Kimi K3.1 Pro

DeepSeek: DeepSeek V4 Flash Vision Exp is 13× cheaper for the sample workload; both have the same context window.

MetricDeepSeek: DeepSeek V4 Flash Vision ExpMoonshotAI: Kimi K3.1 Pro
Model IDdeepseek/deepseek-v4-flash-vision-expmoonshotai/kimi-k3.1-pro
Prompt price$0.2156 / 1M tokens$2.00 / 1M tokens
Completion price$0.6468 / 1M tokens$10.00 / 1M tokens
Context1,048,576 tokens1,048,576 tokens
Tool calling✓✓
Structured outputs✓✓
Reasoning✓✓
Response format✓✓
Web search––
Input modalitiestext, imagetext, image, video
Output modalitiestexttext
Added2026-08-212026-10-23

Sample workload

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

CostDeepSeek: DeepSeek V4 Flash Vision ExpMoonshotAI: Kimi K3.1 Pro
Per day$0.0539$0.70
Per 30 days$1.62$21.00

Difference: $0.65 per day and $19.38 per 30 days.

Data updated 2026-10-30