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Google: Gemini 3.1 Pro Preview Custom Tools

🇺🇸 Google · Gemini 3.1

Input Price $2.00 per million tokens NT$64.0
Output Price $12.00 per million tokens NT$384
Context Window 1M tokens Output limit: 66K
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Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $2.00 NT$64.0 2026-05-03
Output per 1M tokens $12.00 NT$384 2026-05-03
Cached Input per 1M tokens $0.200 NT$6.4 2026-05-27
Cache Write per 1M tokens $0.375 NT$12.0 2026-05-03
Reasoning per 1M tokens $12.00 NT$384 2026-05-03
Image Input per image $0.0000 NT$0.00 2026-05-03
Audio Input per minute $0.0000 NT$0.00 2026-05-03
Web Search per search $0.014 NT$0.45 2026-05-03

Provider
Google (Google)
Model Family
Gemini 3.1
Version String
google/gemini-3.1-pro-preview-customtools
Status
active
Modality
text, audio, image, video, file
Context Window
1,048,756 tokens
Output Limit
65,536 tokens

90-Day Price Trend

Input / Output price (USD per 1M tokens)

Past 90 days of records; every price change is shown here

Date Dimension Price (USD) Source
2026-05-27 Web Search $0.014 openrouter
2026-05-27 Audio Input $0.0000 openrouter
2026-05-27 Image Input $0.0000 openrouter
2026-05-27 Reasoning $12.00 openrouter
2026-05-27 Cache Write $0.375 openrouter
2026-05-27 Cached Input $0.200 openrouter
2026-05-27 Output $12.00 openrouter
2026-05-27 Input $2.00 openrouter
2026-05-26 Web Search $0.014 openrouter
2026-05-26 Audio Input $0.0000 openrouter
2026-05-26 Image Input $0.0000 openrouter
2026-05-26 Reasoning $12.00 openrouter
2026-05-26 Cache Write $0.375 openrouter
2026-05-26 Cached Input $0.200 openrouter
2026-05-26 Output $12.00 openrouter
2026-05-26 Input $2.00 openrouter
2026-05-25 Web Search $0.014 openrouter
2026-05-25 Audio Input $0.0000 openrouter
2026-05-25 Image Input $0.0000 openrouter
2026-05-25 Reasoning $12.00 openrouter
2026-05-25 Cache Write $0.375 openrouter
2026-05-25 Cached Input $0.200 openrouter
2026-05-25 Output $12.00 openrouter
2026-05-25 Input $2.00 openrouter
2026-05-24 Web Search $0.014 openrouter
2026-05-24 Audio Input $0.0000 openrouter
2026-05-24 Image Input $0.0000 openrouter
2026-05-24 Reasoning $12.00 openrouter
2026-05-24 Cache Write $0.375 openrouter
2026-05-24 Cached Input $0.200 openrouter
2026-05-24 Output $12.00 openrouter
2026-05-24 Input $2.00 openrouter
2026-05-23 Web Search $0.014 openrouter
2026-05-23 Audio Input $0.0000 openrouter
2026-05-23 Image Input $0.0000 openrouter
2026-05-23 Reasoning $12.00 openrouter
2026-05-23 Cache Write $0.375 openrouter
2026-05-23 Cached Input $0.200 openrouter
2026-05-23 Output $12.00 openrouter
2026-05-23 Input $2.00 openrouter
2026-05-22 Web Search $0.014 openrouter
2026-05-22 Audio Input $0.0000 openrouter
2026-05-22 Image Input $0.0000 openrouter
2026-05-22 Reasoning $12.00 openrouter
2026-05-22 Cache Write $0.375 openrouter
2026-05-22 Cached Input $0.200 openrouter
2026-05-22 Output $12.00 openrouter
2026-05-22 Input $2.00 openrouter
2026-05-22 Web Search $0.014 openrouter
2026-05-22 Audio Input $0.0000 openrouter

Description

Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party...

Key Insights

Key data points from this page for quick reference and citation.

  • Google: Gemini 3.1 Pro Preview Custom Tools Input price: $2/M tokens
  • Google: Gemini 3.1 Pro Preview Custom Tools Output price: $12/M tokens
  • Context window: 1,048,756 tokens
  • Provider: Google
  • Model family: Gemini 3.1
  • Modalities: text, audio, image, video, file
  • Data source: OpenRouter, updated daily