Nano Banana (Gemini 2.5 Flash Image) vs GLM 5.3 FlashX Legal

Price, context window & benchmark comparison

Google

Nano Banana (Gemini 2.5 Flash Image)

Google
$0.30 / $2.50
Input / Output · per 1M tokens
VS
Z.ai (Zhipu)

GLM 5.3 FlashX Legal

Z.ai (Zhipu)
$0.37 / $1.25
Input / Output · per 1M tokens
Compare different models
Google
Z.ai (Zhipu)
Verdict: GLM 5.3 FlashX Legal is 31% cheaper than Nano Banana (Gemini 2.5 Flash Image) on a typical 3:1 input/output mix. GLM 5.3 FlashX Legal has the larger context window (1M vs 33K).
Nano Banana (Gemini 2.5 Flash Image)GLM 5.3 FlashX Legal
Input price / 1M$0.30$0.37
Output price / 1M$2.50$1.25
Blended price (3:1)$0.85$0.59
Cached input / 1M$0.03$0.075
Context window33K1M
Max output8K131K
Intelligence index——
Coding index——
Providers—1
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningNoYes
Tool callingNoYes
Released2025-10-072026-11-02
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana (Gemini 2.5 Flash Image) or GLM 5.3 FlashX Legal?

GLM 5.3 FlashX Legal is 31% cheaper than Nano Banana (Gemini 2.5 Flash Image) on a typical 3:1 input/output mix.

Nano Banana (Gemini 2.5 Flash Image) vs GLM 5.3 FlashX Legal: which has a bigger context window?

Nano Banana (Gemini 2.5 Flash Image): 32,768 tokens. GLM 5.3 FlashX Legal: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana (Gemini 2.5 Flash Image) ≈ $1,850, GLM 5.3 FlashX Legal ≈ $1,365.

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