How much does Nano Banana (Gemini 2.5 Flash Image) cost per million tokens?

$0.30 per million input tokens and $2.50 per million output tokens, as listed on OpenRouter on October 22, 2026.

Does Nano Banana (Gemini 2.5 Flash Image) support prompt caching?

Yes. OpenRouter lists cached input at $0.03 per million tokens, against $0.30 for uncached input.

Has the price of Nano Banana (Gemini 2.5 Flash Image) changed?

Not since we started recording it daily on October 21, 2026.

Nano Banana (Gemini 2.5 Flash Image) API pricing

As of October 22, 2026, Google Nano Banana (Gemini 2.5 Flash Image) costs $0.30 per million input tokens and $2.50 per million output tokens on Google's own API, with cached input at $0.03 per million.

Nano Banana (Gemini 2.5 Flash Image) benchmarks and specs · Every Google model's price

Input, per million tokens$0.30
Output, per million tokens$2.50
Cached input, per million$0.03
Context window33K tokens
Max output8K tokens
Output speedNot measured

What a request costs

Three fixed token mixes at the list price, without cache or batch discounts. For a whole month, use the calculator.

Cost of three workloads on Nano Banana (Gemini 2.5 Flash Image)
Workload	Tokens	One request	1,000 requests	Fits the context window
Chat turn	1K input + 500 output tokens	$0.0015	$1.55	Yes
Repository review	50K input + 3K output tokens	$0.022	$22.50	No, it would need splitting
Agent loop	200K input + 10K output tokens	$0.085	$85.00	No, it would need splitting
Solved coding task	One SWE-bench Verified attempt, divided by the share that succeed	Not computable	Not computable

Price history

We have read Google's own price every day since October 21, 2026. It has not changed yet; any change will be listed here with its date.

October 21, 2026 First recorded: $0.30 input, $2.50 output

Cheaper models as good as Nano Banana (Gemini 2.5 Flash Image)

Nano Banana (Gemini 2.5 Flash Image) has no overall or coding score, so we make no quality claim against it.

Nano Banana (Gemini 2.5 Flash Image) pricing questions

How much does Nano Banana (Gemini 2.5 Flash Image) cost per million tokens?: $0.30 per million input tokens and $2.50 per million output tokens, as listed on OpenRouter on October 22, 2026.
Does Nano Banana (Gemini 2.5 Flash Image) support prompt caching?: Yes. OpenRouter lists cached input at $0.03 per million tokens, against $0.30 for uncached input.
Has the price of Nano Banana (Gemini 2.5 Flash Image) changed?: Not since we started recording it daily on October 21, 2026.