Google · API pricing
Gemini 3.1 Pro API pricing
Gemini 3.1 Pro costs $2.00 per million input tokens and $12.00 per million output tokens on Google's standard tier. Checked against the official pricing page on October 12, 2026.
Input / 1M$2.00
Cached input / 1M–
Output / 1M$12.00
Context window1M
Preview. Higher rate over 200K tokens.
Prompts over 200,000 tokens are billed at $4.00 input and $18.00 output per 1M tokens. The calculator applies this automatically.
What Gemini 3.1 Pro costs for common workloads
| Workload | Monthly cost | Rank of 20 |
|---|---|---|
| Support chatbot | $396 | #16 |
| Document summaries | $336 | #17 |
| Coding assistant | $528 | #16 |
| RAG search | $800 | #17 |
Price it for your own workload
Compared against similar models from other providers.
Start from a use case
1,000 tokens is about 750 English words. Input includes your system prompt, chat history and any retrieved documents.
Mistral Large
MistralCheapest
$72.00 /mo
DeepSeek V4 Pro
DeepSeek
$95.04 /mo
Grok 4.7
xAI
$288 /mo
Gemini 3.1 Pro
Google
$396 /mo
Claude Opus 5.5
Anthropic
$720 /mo
Claude Fable 5.1
Anthropic
$1,800 /mo
GPT-6 Astra
OpenAI
$1,800 /mo