Nano Banana 2.1 vs GLM 5.3 Flash

Price, context window & benchmark comparison

Google

Nano Banana 2.1

Google
$1.50 / $7.50
Input / Output · per 1M tokens
VS
Z.ai (Zhipu)

GLM 5.3 Flash

Z.ai (Zhipu)
$0.0149 / $0.15
Input / Output · per 1M tokens
Compare different models
Google
Z.ai (Zhipu)
Verdict: GLM 5.3 Flash is 60.3× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. GLM 5.3 Flash has the larger context window (1M vs 66K).
Nano Banana 2.1GLM 5.3 Flash
Input price / 1M$1.50$0.0149
Output price / 1M$7.50$0.15
Blended price (3:1)$3.00$0.0498
Cached input / 1M—$0.0149
Context window66K1M
Max output59K131K
Intelligence index—27.8
Coding index—71.5
Providers140
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-062026-08-26
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana 2.1 or GLM 5.3 Flash?

GLM 5.3 Flash is 60.3× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.

Nano Banana 2.1 vs GLM 5.3 Flash: which has a bigger context window?

Nano Banana 2.1: 65,536 tokens. GLM 5.3 Flash: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, GLM 5.3 Flash ≈ $106.95.

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