Verified 2026-05-15 · sourced from Google
Gemini 3.1 Flash Image Preview Token Calculator, Pricing & 100K/1M Cost
Check Google Gemini 3.1 Flash Image Preview pricing, estimate 100K and 1M token cost, and size a real API budget before you send a single request. Standard pricing is $0.25 per million input tokens and $1.50 per million output tokens with a 1M token context window.
Quick answer: Gemini 3.1 Flash Image Preview pricing per 1M tokens is $0.25 input and $1.50 output. Context window: 1,000,000 tokens · Cached input: $0.050 / 1M.
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Context window
1,000,000 tokens
Input price
$0.25 / 1M
Output price
$1.50 / 1M
Cached input
$0.050 / 1M
Usage scenarios
Compare standard and cached pricing (where available) across common workloads.
| Scenario | Tokens in | Tokens out | Total tokens | Standard cost | Cached cost |
|---|---|---|---|---|---|
Quick chat reply Single user question with a short assistant answer | 650 | 220 | 870 | $0.0005 | $0.0004 |
Coding assistant session Multi-turn pair programming exchange (≈6 turns) | 2,600 | 1,400 | 4,000 | $0.0027 | $0.0022 |
Knowledge base response Retrieval-augmented answer referencing multiple passages | 12,000 | 3,000 | 15,000 | $0.0075 | $0.0051 |
Near-max context run Large document processing approaching the 1M token limit | 880,000 | 120,000 | 1,000,000 | $0.400 | $0.224 |
Daily & monthly budgeting
Translate usage into predictable operating expenses across popular deployment sizes.
| Profile | Requests/day | Tokens/day | Daily cost | Monthly cost | Cached daily | Cached monthly |
|---|---|---|---|---|---|---|
| Team pilot | 25 | 75,000 | $0.0500 | $1.50 | $0.0400 | $1.20 |
| Product launch | 100 | 500,000 | $0.313 | $9.38 | $0.242 | $7.27 |
| Enterprise scale | 500 | 3,000,000 | $2.00 | $60.00 | $1.60 | $48.00 |
Pricing notes
- Google lists Gemini 3.1 Flash Image Preview text/image/video input at $0.25 and output at $1.50 per 1M tokens.
Frequently asked questions
How much does Gemini 3.1 Flash Image Preview cost per 1,000 tokens?
At the published rates of $0.25 per million input tokens and $1.50 per million output tokens, a typical 1,000 token request (≈70% input, 30% output) costs about $0.0006.
Does Gemini 3.1 Flash Image Preview offer cached input discounts?
Gemini 3.1 Flash Image Preview drops input costs to $0.050 per million cached tokens. Using cached contexts, that same 1,000 token call totals $0.0005, a significant saving for chatbots and RAG systems.
What is the context window for Gemini 3.1 Flash Image Preview?
Gemini 3.1 Flash Image Preview supports up to 1,000,000 tokens (1M), allowing large prompts and retrieval-augmented payloads in a single call.
How fresh is the Gemini 3.1 Flash Image Preview pricing data?
Pricing is sourced from https://ai.google.dev/gemini-api/docs/pricing and was last verified on 2026-05-15. The calculator updates automatically when models.json is refreshed.