Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Nano Banana 2.1

Price, context window & benchmark comparison

Google

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Google
$0.50 / $3.00
Input / Output · per 1M tokens
VS
Google

Nano Banana 2.1

Google
$1.50 / $7.50
Input / Output · per 1M tokens
Compare different models
Google
Google
Verdict: Nano Banana 2 (Gemini 3.1 Flash Image Preview) is 2.7× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.
Nano Banana 2 (Gemini 3.1 Flash Image Preview)Nano Banana 2.1
Input price / 1M$0.50$1.50
Output price / 1M$3.00$7.50
Blended price (3:1)$1.13$3.00
Cached input / 1M——
Context window66K66K
Max output59K59K
Intelligence index——
Coding index——
Providers—1
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingNoYes
Released2026-02-262026-10-06
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana 2 (Gemini 3.1 Flash Image Preview) or Nano Banana 2.1?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is 2.7× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.

Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Nano Banana 2.1: which has a bigger context window?

Nano Banana 2 (Gemini 3.1 Flash Image Preview): 65,536 tokens. Nano Banana 2.1: 65,536 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana 2 (Gemini 3.1 Flash Image Preview) ≈ $2,500, Nano Banana 2.1 ≈ $6,750.

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