DeepSeek V4 Pro vs Kimi K3: cost

For a typical support chatbot, DeepSeek V4 Pro is about 3.4× cheaper than Kimi K3 ($337 vs $1,148 per month). Price is only one factor: test both on your own prompts before switching.

DeepSeek V4 Pro vs Kimi K3: prices and limits
DeepSeek V4 ProKimi K3
Input /1M$1.32$3.00
Output /1M$3.96$15.00
Cached input /1M$0.044$0.30
Batch input /1M——
Batch output /1M——
Context window1,000,0001,048,576
Max input1,000,0001,048,576
Max output393,2161,048,576

Monthly cost by workload

Estimated monthly cost by workload (USD)
Scenario (per month)DeepSeek V4 ProKimi K3
Customer support chatbot
5,000 req/day · 1,200 in · 400 out · cache 60%
$337$1,148
RAG over documents
2,000 req/day · 8,000 in · 600 out · cache 30%
$592$1,591
Coding agent
1,500 req/day · 25,000 in · 2,000 out · cache 80%
$693$2,295
Deep reasoning
800 req/day · 3,000 in · 6,000 out · cache 20%
$647$2,337
Batch processing
50,000 req/day · 1,500 in · 150 out · batch
$3,861$10,125