Gemini · Mid-tier · 1,000K context window

Gemini 3.1 Pro pricing for rag pipeline

$0.0300 per call at 6,000 input / 1,500 output tokens.

Per call

$0.0300

10K calls/mo

$300

Cache savings

75% off input

Batch savings

50% off all

Calculate your Gemini 3.1 Pro costs

Adjust token counts, volume, and discount toggles to model your rag pipeline spend. Pricing updated weekly.

Configure your usage

6,000
100100K
1,500
5050K
10,000
1001M

Estimated cost

Monthly cost
$300
10,000 calls/month
Cost per call$0.03
Daily cost$10
Input rate$2.00/MTok
Output rate$12.00/MTok
Analyze your real spend

Quick start

Call Gemini 3.1 Pro with the Google Generative AI SDK:

import google.generativeai as genai

model = genai.GenerativeModel("gemini-3.1-pro")
response = model.generate_content("Your prompt here")
# Cost: ~$0.0300 per call at standard rates
# Input:  $2.00/MTok
# Output: $12.00/MTok

How Gemini 3.1 Pro compares on cost

Per-call cost for all models scoring 50+ on rag pipeline benchmarks. Hover for details.

Cheapest viable option: Gemini 3 Flash at $0.007500/call (75% less, 82/100 quality).

Complete Gemini 3.1 Pro pricing breakdown

Standard token rates

Direction$/MTokTokens per call
Input$2.006,000
Output$12.001,500

Prompt caching: 75% off input tokens

Caching drops input cost from $2.00 to $0.50/MTok. For repeated system prompts, that saves $0.009000 per call.

Batch API: 50% off all tokens

Submit requests asynchronously and receive 50% off all token costs. This works best for offline pipelines where latency requirements are flexible.

Monthly cost projections

Monthly volumeCost per callStandard monthlyCached monthlyYou save with caching
10,000 calls$0.0300$300$210$90
50,000 calls$0.0300$1,500$1,050$450
100,000 calls$0.0300$3,000$2,100$900
500,000 calls$0.0300$15,000$10,500$4,500
1,000,000 calls$0.0300$30,000$21,000$9,000

Gemini 3.1 Pro quality benchmarks for rag pipeline

Gemini 3.1 Pro is a solid pick for rag pipeline

Scores 87/100 (rank #4 of 14). Good balance of quality and cost for rag pipeline.

Top-ranked: GPT 5.6 Terra (92/100) at $0.0375/call

Performance across all task types

Gemini 3.1 Pro scores by task type. RAG Pipeline highlighted.

Reasoning90Summarization87Q&A *87Code Generation86Classification86Extraction85Code Review84Creative Writing84
Task typeConfidence scoreRank out of 14
Reasoning90/100#4
Summarization87/100#4
Q&A(current page)87/100#4
Code Generation86/100#5
Classification86/100#3
Extraction85/100#4
Code Review84/100#4
Creative Writing84/100#4

Alternative models for rag pipeline

12 models score 80+ on rag pipeline benchmarks, sorted by input rate. Cheapest: Gemini 3 Flash (75% less, 82/100 quality).

ModelProviderInput $/MTokOutput $/MTokQualityPer callvs Gemini
Gemini 3 FlashGemini$0.50$3.0082/100$0.00750075% cheaper
Claude Haiku 4.5Claude$1.00$5.0086/100$0.013555% cheaper
GPT 5.6 LunaGPT$1.00$6.0085/100$0.015050% cheaper
Gemini 3.5 FlashGemini$1.50$9.0084/100$0.022525% cheaper
Claude Sonnet 5Claude$2.00$10.0089/100$0.027010% cheaper
GPT 5.4GPT$2.50$15.0091/100$0.037525% more
GPT 5.6 TerraGPT$2.50$15.0092/100$0.037525% more
Claude Sonnet 4.6Claude$3.00$15.0088/100$0.040535% more
Claude Opus 4.8Claude$5.00$25.0085/100$0.0675125% more
GPT 5.5GPT$5.00$30.0090/100$0.0750150% more
GPT 5.6 SolGPT$5.00$30.0091/100$0.0750150% more
Claude Fable 5Claude$10.00$50.0088/100$0.1350350% more

About Gemini 3.1 Pro

Provider

Gemini

Tier

Mid-tier

Context

1,000K tokens

Released

Apr 2026

Other models from Gemini

ModelTierInput $/MTokOutput $/MTokContext
Gemini 3.5 FlashFast / Budget$1.50$9.001,000K
Gemini 3 FlashFast / Budget$0.50$3.001,000K
Gemini 3.5 Flash-LiteFast / Budget$0.25$1.501,000K

You can compare Gemini 3.1 Pro head-to-head against any other model on our model comparison pages, or track how pricing has changed over time on the pricing history tracker.

Frequently asked questions

How much does Gemini 3.1 Pro cost for rag pipeline per API call?

$0.0300 per call at 6,000 input / 1,500 output tokens.

Is Gemini 3.1 Pro the best model for rag pipeline?

Scores 87/100, rank #4 of 14 models. Top-ranked: GPT 5.6 Terra at 92/100.

What is the cheapest model for rag pipeline with good quality?

Gemini 3 Flash scores 82/100 quality at $0.50/$3.00 per MTok. That is 75% less than Gemini 3.1 Pro per call.

How can I reduce my Gemini 3.1 Pro costs for rag pipeline?

Three strategies: prompt caching (75% off input), batch API (50% off all tokens), prompt optimization. Combined: $0.0300 drops to about $0.003750 per call.

How does Gemini 3.1 Pro pricing compare to other Gemini models?

Gemini also offers: Gemini 3.5 Flash at $1.50/$9.00, Gemini 3 Flash at $0.50/$3.00, Gemini 3.5 Flash-Lite at $0.25/$1.50.

What context window does Gemini 3.1 Pro support?

1,000K tokens total. Typical rag pipeline calls use 6,000 plus 1,500 tokens, well within limits.

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This calculator estimates costs based on published rates only. Connect your API usage to see where your money goes and which models drive your spend.