Mistral Large 4 vs DeepSeek V4 Pro: cost

For a typical support chatbot, Mistral Large 4 is about 1.9× cheaper than DeepSeek V4 Pro ($35.64 vs $66.33 per month). Price is only one factor: test both on your own prompts before switching.

Mistral Large 4DeepSeek V4 Pro
Input /1M$0.68$1.32
Output /1M$2.09$3.96
Cached input /1M$0.068$0.044
Batch input /1M——
Batch output /1M——
Context524,2881,000,000

Monthly cost by workload

Scenario (per month)Mistral Large 4DeepSeek V4 Pro
Customer support chatbot
1,000 req/day · 1,500 in · 300 out
$35.64$66.33
RAG over documents
500 req/day · 6,000 in · 400 out
$57.22$108
Agent loop (10 calls/task, 200 tasks)
2,000 req/day · 8,000 in · 500 out
$183$324
Batch summarization
10,000 req/day · 3,000 in · 200 out · batch
$737$1,426