Gemini 3 Flash Preview API Pricing
Google · Mid-tier · Proprietary · released 2025-12. Prices in USD per 1 million tokens. Data snapshot: 2026-09-06.
- Input: $0.50 per 1M tokens
- Output: $3.00 per 1M tokens
- Batch API (input/output): $0.25 / $1.50
- Prompt-cache read: $0.05
- Context window: 1M
Cost per request by business use case
List price vs optimized (prompt caching on the cached input share, batch API for async workloads, only where the provider publishes those rates).
| Use case | Tokens (in/out) | Cost/req (list) | Cost/req (optimized) | Monthly @100K req |
|---|---|---|---|---|
| Support Ticket | 1,500 / 500 | $0.0023 | $0.0018 | $185 |
| Knowledge Q&A | 2,000 / 800 | $0.0034 | $0.0028 | $277 |
| Meeting Summary | 10,000 / 1,200 | $0.0086 | $0.0041 | $410 |
| Marketing Content | 2,500 / 1,800 | $0.0067 | $0.0064 | $643 |
| Coding Task | 3,000 / 2,000 | $0.0075 | $0.0068 | $683 |
| Invoice Processing | 1,500 / 600 | $0.0026 | $0.0012 | $118 |
| Call Summary | 2,000 / 700 | $0.0031 | $0.0015 | $151 |
| Agent Workflow | 6,000 / 3,000 | $0.012 | $0.010 | $1.0K |
Gemini 3 Flash Preview pricing by host
A host is a company that runs the model and sells it by the token — the lab that made it, a cloud platform like Amazon Bedrock, Azure or Vertex, or an independent provider. One model, several sellers, and often several prices. This model is sold by 2 different hosts. The price quoted above is the one we publish so that models stay comparable; it is not necessarily the cheapest way to buy this model. List prices as published on 2026-09-06 via OpenRouter — negotiated rates, committed-use discounts and provisioned capacity are not shown.
| Host | Input $/1M | Output $/1M |
|---|---|---|
| Google (the price shown above) | $0.50 | $3.00 |
| Google AI Studio (the price shown above) | $0.50 | $3.00 |
Common questions about Gemini 3 Flash Preview pricing
- How much does Gemini 3 Flash Preview cost?
- Gemini 3 Flash Preview costs $0.50 per million input tokens and $3.00 per million output tokens on the API.
- Does Gemini 3 Flash Preview offer batch or cached pricing?
- Yes. Batch API pricing is $0.25/M input and $1.50/M output. Prompt-cache reads cost $0.05/M.
- What would Gemini 3 Flash Preview cost per month?
- For a support-ticket workload (1,500 input + 500 output tokens per request) at 100K requests/month, Gemini 3 Flash Preview costs about $225 at list prices.
These are list prices: real cost also depends on caching, batching, negotiated discounts, marketplace agreements, and existing contracts. Get a FinOps review from OptimNow or compare all models.
Build the business case for Gemini 3 Flash Preview in the AI ROI Calculator: add your business value on top of these costs to get ROI, break-even and payback.
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