Nano Banana 2 (Gemini 3.1 Flash Image) vs GLM 5.3 FlashX

Price, context window & benchmark comparison

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Nano Banana 2 (Gemini 3.1 Flash Image)

Google
$0.50 / $3.00
Input / Output · per 1M tokens
VS
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GLM 5.3 FlashX

Z.ai (Zhipu)
$0.37 / $1.25
Input / Output · per 1M tokens
Compare different models
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Verdict: GLM 5.3 FlashX is 48% cheaper than Nano Banana 2 (Gemini 3.1 Flash Image) on a typical 3:1 input/output mix. GLM 5.3 FlashX has the larger context window (1M vs 131K).
Nano Banana 2 (Gemini 3.1 Flash Image)GLM 5.3 FlashX
Input price / 1M$0.50$0.37
Output price / 1M$3.00$1.25
Blended price (3:1)$1.13$0.59
Cached input / 1M$0.09
Context window131K1M
Max output33K131K
Intelligence index
Coding index
Providers21
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingNoYes
Released2026-06-182026-09-18
Retirement

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FAQ

Which is cheaper, Nano Banana 2 (Gemini 3.1 Flash Image) or GLM 5.3 FlashX?

GLM 5.3 FlashX is 48% cheaper than Nano Banana 2 (Gemini 3.1 Flash Image) on a typical 3:1 input/output mix.

Nano Banana 2 (Gemini 3.1 Flash Image) vs GLM 5.3 FlashX: which has a bigger context window?

Nano Banana 2 (Gemini 3.1 Flash Image): 131,072 tokens. GLM 5.3 FlashX: 1,048,576 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, GLM 5.3 FlashX ≈ $1,365.

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