Nano Banana 2 (Gemini 3.1 Flash Image) API pricing
Google · Image price tier · Proprietary · released 2026-06. Prices in USD per 1 million tokens. Data snapshot: 2026-11-12.
Nano Banana 2 (Gemini 3.1 Flash Image) has held the same list price since 2026-08-15. None of its 2 hosts undercuts the price we quote. No Arena score is published for it, so it carries no Efficiency score and cannot hold the FinOps Friendly badge.
- Input: $0.50 per 1M tokens
- Output: $3.00 per 1M tokens
- Batch API (in/out): Not published
- Prompt-cache read: Not published
- Context window: 131K tokens
- Arena ELO: Not published
Market position
Image models bill per image as well as per token, so this page does not rank this one on token price.
Licence, size and capabilities
Nano Banana 2 (Gemini 3.1 Flash Image) is recorded here as proprietary: access is through an API, priced by the token. Its parameter count is not published. Listed capabilities: Text, Vision, Image Gen, Reasoning. Filling its 131K context window once costs $0.0655 in input tokens at list price.
Pricing by host
A host is a company that runs the model and sells it by the token: the model maker, a cloud platform like Amazon Bedrock, Azure or Vertex, or an independent host. One model, several hosts, and often several prices. This model is sold by 2 different hosts. The price we quote elsewhere on this page is marked. We quote one host's rate so that models stay comparable; it is not a recommendation to buy there.
The price we quote is already the cheapest of the 2 hosts: Google AI Studio at $0.50 input / $3.00 output per 1M tokens. All of them charge within 10% of one another.
| Host | Input $/1M | Output $/1M |
|---|---|---|
| Google AI Studio (model maker, price we quote) | $0.50 | $3.00 |
| Google (price we quote) | $0.50 | $3.00 |
List prices as published on 2026-11-12, via OpenRouter. Negotiated rates, committed-use discounts and provisioned capacity are not shown.
Monthly cost at 100K requests, by business use case
From the after-discounts figure (prompt caching on the cached input share, batch API for async workloads, only where Google publishes those rates), which assumes you implement both, to the list price. One figure means no discount is published.
| Use case | Tokens (in/out) | Monthly (after discounts – list) |
|---|---|---|
| Support Ticket | 1,500 / 500 | $225 |
| Knowledge Q&A | 2,000 / 800 | $340 |
| Meeting Summary | 10,000 / 1,200 | $860 |
| Marketing Content | 2,500 / 1,800 | $665 |
| Coding Task | 3,000 / 2,000 | $750 |
| Invoice Processing | 1,500 / 600 | $255 |
| Call Summary | 2,000 / 700 | $310 |
| Agent Workflow | 6,000 / 3,000 | $1.2K |
Price history
Nano Banana 2 (Gemini 3.1 Flash Image) has been in our daily price archive since tracking began on 2026-08-15, when it listed at $0.50 input / $3.00 output per 1M tokens. No list price change since tracking began on 2026-08-15. Last checked against the 2026-11-12 snapshot.
Other models from Google
The 8 nearest to Nano Banana 2 (Gemini 3.1 Flash Image) in price, of 27 other Google models in the catalogue. Prices per 1M tokens, input then output.
- Gemini 2.5 Flash: $0.30 / $2.50
- Gemini 3.5 Flash Lite: $0.30 / $2.50
- Nano Banana (Gemini 2.5 Flash Image): $0.30 / $2.50
- Gemini 3 Flash Preview: $0.50 / $3.00
- Gemini 3.6 Flash: $0.75 / $3.75
- Gemini 3.7 Flash: $0.75 / $3.75
- Gemini 3.8 Flash: $0.75 / $3.75
- Nano Banana 2.1: $1.50 / $7.50
All 28 Google models and prices
Common questions about Nano Banana 2 (Gemini 3.1 Flash Image) pricing
- How much does Nano Banana 2 (Gemini 3.1 Flash Image) cost?
- Nano Banana 2 (Gemini 3.1 Flash Image) costs $0.50 per 1M input tokens and $3.00 per 1M output tokens. That is the model maker's own rate (Google AI Studio). Prices as listed on 2026-11-12.
- Which host is cheapest for Nano Banana 2 (Gemini 3.1 Flash Image)?
- The price we quote is already the cheapest of the 2 hosts: Google AI Studio at $0.50 input / $3.00 output per 1M tokens. All of them charge within 10% of one another. Host rates as listed on 2026-11-12.
- Does Nano Banana 2 (Gemini 3.1 Flash Image) offer batch or cached pricing?
- No. Neither a batch rate nor a prompt-cache rate is published for Nano Banana 2 (Gemini 3.1 Flash Image) as of 2026-11-12.
- What would Nano Banana 2 (Gemini 3.1 Flash Image) cost per month?
- With the Support Ticket profile (1,500 input and 500 output tokens per request), 100,000 requests a month cost about $225 on Nano Banana 2 (Gemini 3.1 Flash Image) at the list price quoted on 2026-11-12.
- Can Nano Banana 2 (Gemini 3.1 Flash Image) be self-hosted?
- No, as far as this site records. Nano Banana 2 (Gemini 3.1 Flash Image) is recorded here as proprietary: access is through an API, priced by the token.
- Has the price of Nano Banana 2 (Gemini 3.1 Flash Image) changed?
- Nano Banana 2 (Gemini 3.1 Flash Image) has been in our daily price archive since tracking began on 2026-08-15, when it listed at $0.50 input / $3.00 output per 1M tokens. No list price change since tracking began on 2026-08-15. Last checked against the 2026-11-12 snapshot.
It exposes a thinking budget, so its output volume is what the bill turns on: what thinking models charge for output.
These are list prices. Your real cost also depends on caching and batching, negotiated discounts, marketplace agreements, and the contracts you already have. OptimNow audits exactly that.
Build the business case · Get a FinOps review
LLM pricing · Models by maker · Cloud compute pricing · Compare models · Price barometer · FinOps guides · API and MCP server