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

Price, context window & benchmark comparison

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Google

$0.50 / $3.00

Input / Output · per 1M tokens

GLM 5.3 Flash

Z.ai (Zhipu)

$0.0399 / $0.0784

Input / Output · per 1M tokens

Compare different models

Verdict: GLM 5.3 Flash is 22.7× cheaper than Nano Banana 2 (Gemini 3.1 Flash Image Preview) on a typical 3:1 input/output mix. GLM 5.3 Flash has the larger context window (1M vs 66K).

	Nano Banana 2 (Gemini 3.1 Flash Image Preview)	GLM 5.3 Flash
Input price / 1M	$0.50	$0.0399
Output price / 1M	$3.00	$0.0784
Blended price (3:1)	$1.13	$0.0495
Cached input / 1M	—	$0.03
Context window	66K	1M
Max output	59K	131K
Intelligence index	—	27.8
Coding index	—	71.5
Providers	—	42
Best provider uptime (30m)	—	100.0%
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	No	Yes
Released	2026-02-26	2026-08-26
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

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

GLM 5.3 Flash is 22.7× cheaper than Nano Banana 2 (Gemini 3.1 Flash Image Preview) on a typical 3:1 input/output mix.

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

Nano Banana 2 (Gemini 3.1 Flash Image Preview): 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 (Gemini 3.1 Flash Image Preview) ≈ $2,500, GLM 5.3 Flash ≈ $119.00.

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