DeepSeek V4.1 Flash vs Nano Banana 2 (Gemini 3.1 Flash Image)

Price, context window & benchmark comparison

DeepSeek V4.1 Flash

DeepSeek

$0.14 / $0.42

Input / Output · per 1M tokens

Nano Banana 2 (Gemini 3.1 Flash Image)

Google

$0.50 / $3.00

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4.1 Flash is 5.4× cheaper than Nano Banana 2 (Gemini 3.1 Flash Image) on a typical 3:1 input/output mix. DeepSeek V4.1 Flash has the larger context window (1M vs 131K).

	DeepSeek V4.1 Flash	Nano Banana 2 (Gemini 3.1 Flash Image)
Input price / 1M	$0.14	$0.50
Output price / 1M	$0.42	$3.00
Blended price (3:1)	$0.21	$1.13
Cached input / 1M	$0.0042	—
Context window	1M	131K
Max output	131K	33K
Intelligence index	39.5	—
Coding index	—	—
Providers	26	2
Best provider uptime (30m)	100.0%	100.0%
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	No
Released	2026-09-10	2026-06-18
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4.1 Flash or Nano Banana 2 (Gemini 3.1 Flash Image)?

DeepSeek V4.1 Flash is 5.4× cheaper than Nano Banana 2 (Gemini 3.1 Flash Image) on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash vs Nano Banana 2 (Gemini 3.1 Flash Image): which has a bigger context window?

DeepSeek V4.1 Flash: 1,048,576 tokens. Nano Banana 2 (Gemini 3.1 Flash Image): 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $490.00, Nano Banana 2 (Gemini 3.1 Flash Image) ≈ $2,500.

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