Nano Banana Pro (Gemini 3 Pro Image Preview) vs GLM 5.3 FlashX Legal

Price, context window & benchmark comparison

Nano Banana Pro (Gemini 3 Pro Image Preview)

Google

$2.00 / $12.00

Input / Output · per 1M tokens

GLM 5.3 FlashX Legal

Z.ai (Zhipu)

$0.37 / $1.25

Input / Output · per 1M tokens

Compare different models

Verdict: GLM 5.3 FlashX Legal is 7.6× cheaper than Nano Banana Pro (Gemini 3 Pro Image Preview) on a typical 3:1 input/output mix. GLM 5.3 FlashX Legal has the larger context window (1M vs 66K).

	Nano Banana Pro (Gemini 3 Pro Image Preview)	GLM 5.3 FlashX Legal
Input price / 1M	$2.00	$0.37
Output price / 1M	$12.00	$1.25
Blended price (3:1)	$4.50	$0.59
Cached input / 1M	$0.20	$0.075
Context window	66K	1M
Max output	33K	131K
Intelligence index	—	—
Coding index	—	—
Providers	—	1
Best provider uptime (30m)	—	100.0%
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	No	Yes
Released	2025-11-20	2026-11-02
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Nano Banana Pro (Gemini 3 Pro Image Preview) or GLM 5.3 FlashX Legal?

GLM 5.3 FlashX Legal is 7.6× cheaper than Nano Banana Pro (Gemini 3 Pro Image Preview) on a typical 3:1 input/output mix.

Nano Banana Pro (Gemini 3 Pro Image Preview) vs GLM 5.3 FlashX Legal: which has a bigger context window?

Nano Banana Pro (Gemini 3 Pro Image Preview): 65,536 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 Pro (Gemini 3 Pro Image Preview) ≈ $10,000, GLM 5.3 FlashX Legal ≈ $1,365.

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