DeepSeek V4 Flash 0423 vs Nano Banana 2.1

Price, context window & benchmark comparison

DeepSeek

DeepSeek V4 Flash 0423

DeepSeek
$0.09 / $0.18
Input / Output · per 1M tokens
VS
Google

Nano Banana 2.1

Google
$1.50 / $7.50
Input / Output · per 1M tokens
Compare different models
DeepSeek
Google
Verdict: DeepSeek V4 Flash 0423 is 26.7× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. DeepSeek V4 Flash 0423 has the larger context window (1M vs 66K).
DeepSeek V4 Flash 0423Nano Banana 2.1
Input price / 1M$0.09$1.50
Output price / 1M$0.18$7.50
Blended price (3:1)$0.11$3.00
Cached input / 1M$0.018—
Context window1M66K
Max output393K59K
Intelligence index——
Coding index56.2—
Providers—1
Best provider uptime (30m)—100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-04-242026-10-06
Retirement——

Cost calculator

FAQ

Which is cheaper, DeepSeek V4 Flash 0423 or Nano Banana 2.1?

DeepSeek V4 Flash 0423 is 26.7× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.

DeepSeek V4 Flash 0423 vs Nano Banana 2.1: which has a bigger context window?

DeepSeek V4 Flash 0423: 1,048,576 tokens. Nano Banana 2.1: 65,536 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0423 ≈ $270.00, Nano Banana 2.1 ≈ $6,750.

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