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

Price, context window & benchmark comparison

Google

Nano Banana 2 (Gemini 3.1 Flash Image)

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) 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) has the larger context window (131K vs 66K).
Nano Banana 2 (Gemini 3.1 Flash Image)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 window131K66K
Max output33K59K
Intelligence index——
Coding index——
Providers21
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingNoYes
Released2026-06-182026-10-06
Retirement——

Cost calculator

FAQ

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

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

Nano Banana 2 (Gemini 3.1 Flash Image): 131,072 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) ≈ $2,500, Nano Banana 2.1 ≈ $6,750.

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