Gemini 3.5 Flash vs Nano Banana 2.1

Price, context window & benchmark comparison

Google

Gemini 3.5 Flash

Google
$1.50 / $9.00
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 2.1 is 11% cheaper than Gemini 3.5 Flash on a typical 3:1 input/output mix. Gemini 3.5 Flash has the larger context window (1M vs 66K).
Gemini 3.5 FlashNano Banana 2.1
Input price / 1M$1.50$1.50
Output price / 1M$9.00$7.50
Blended price (3:1)$3.38$3.00
Cached input / 1M$0.15—
Context window1M66K
Max output66K59K
Intelligence index——
Coding index70.1—
Providers—1
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-05-192026-10-06
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 3.5 Flash or Nano Banana 2.1?

Nano Banana 2.1 is 11% cheaper than Gemini 3.5 Flash on a typical 3:1 input/output mix.

Gemini 3.5 Flash vs Nano Banana 2.1: which has a bigger context window?

Gemini 3.5 Flash: 1,048,576 tokens. Nano Banana 2.1: 65,536 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 3.5 Flash ≈ $7,500, Nano Banana 2.1 ≈ $6,750.

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