Price comparison · checked October 12, 2026

Gemini 3.1 Pro vs DeepSeek V4 Pro pricing

For a typical support chatbot (60,000 conversations a month), DeepSeek V4 Pro costs $95.04 a month and Gemini 3.1 Pro costs $396. That makes DeepSeek V4 Pro 4.2× cheaper for this workload.

Gemini 3.1 ProDeepSeek V4 Pro
ProviderGoogleDeepSeek
Input / 1M$2.00$0.66
Cached input / 1M–$0.022
Output / 1M$12.00$1.98
Context window1M1M
NotesPreview. Higher rate over 200K tokensOff-peak rate. Peak hours cost 2×

Monthly cost by workload

WorkloadGemini 3.1 ProDeepSeek V4 ProDifference
Support chatbot
60,000 req · 1,500 in / 300 out
$396$95.04DeepSeek V4 Pro 4.2× cheaper
Document summaries
20,000 req · 6,000 in / 400 out
$336$95.04DeepSeek V4 Pro 3.5× cheaper
Coding assistant
30,000 req · 4,000 in / 800 out
$528$127DeepSeek V4 Pro 4.2× cheaper
RAG search
100,000 req · 2,500 in / 250 out
$800$214DeepSeek V4 Pro 3.7× cheaper

Standard rates, no caching or batch discounts. Sources: ai.google.dev · api-docs.deepseek.com

Try your own numbers

Start from a use case

1,000 tokens is about 750 English words. Input includes your system prompt, chat history and any retrieved documents.

DeepSeek V4 Pro
DeepSeekCheapest
$95.04 /mo
Gemini 3.1 Pro
Google
$396 /mo

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