Nano Banana 2 (Gemini 3.1 Flash Image) vs Hy4 preview

Price, context window & benchmark comparison

Nano Banana 2 (Gemini 3.1 Flash Image)

Google

$0.50 / $3.00

Input / Output · per 1M tokens

Hy4 preview

Tencent

$0.83 / $2.50

Input / Output · per 1M tokens

Compare different models

Verdict: Nano Banana 2 (Gemini 3.1 Flash Image) is 10% cheaper than Hy4 preview on a typical 3:1 input/output mix. Hy4 preview has the larger context window (1M vs 131K).

	Nano Banana 2 (Gemini 3.1 Flash Image)	Hy4 preview
Input price / 1M	$0.50	$0.83
Output price / 1M	$3.00	$2.50
Blended price (3:1)	$1.13	$1.25
Cached input / 1M	—	$0.042
Context window	131K	1M
Max output	33K	64K
Intelligence index	—	—
Coding index	—	—
Providers	2	3
Best provider uptime (30m)	100.0%	100.0%
Vision input	Yes	No
Reasoning	Yes	Yes
Tool calling	No	Yes
Released	2026-06-18	2026-08-28
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Nano Banana 2 (Gemini 3.1 Flash Image) or Hy4 preview?

Nano Banana 2 (Gemini 3.1 Flash Image) is 10% cheaper than Hy4 preview on a typical 3:1 input/output mix.

Nano Banana 2 (Gemini 3.1 Flash Image) vs Hy4 preview: which has a bigger context window?

Nano Banana 2 (Gemini 3.1 Flash Image): 131,072 tokens. Hy4 preview: 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, Hy4 preview ≈ $2,919.

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