Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs Seed 2.1 Turbo

Price, context window & benchmark comparison

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Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

Google
$0.25 / $1.50
Input / Output · per 1M tokens
VS
B

Seed 2.1 Turbo

ByteDance Seed
$0.50 / $2.50
Input / Output · per 1M tokens
Compare different models
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Verdict: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is 44% cheaper than Seed 2.1 Turbo on a typical 3:1 input/output mix. Seed 2.1 Turbo has the larger context window (262K vs 66K).
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)Seed 2.1 Turbo
Input price / 1M$0.25$0.50
Output price / 1M$1.50$2.50
Blended price (3:1)$0.56$1.00
Cached input / 1M
Context window66K262K
Max output59K236K
Intelligence index
Coding index
Providers21
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingNoYes
Released2026-06-302026-08-12
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FAQ

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

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is 44% cheaper than Seed 2.1 Turbo on a typical 3:1 input/output mix.

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

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): 65,536 tokens. Seed 2.1 Turbo: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) ≈ $1,250, Seed 2.1 Turbo ≈ $2,250.

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