Nano Banana 2.1 vs GPT-5.4 Image 2

Price, context window & benchmark comparison

Google

Nano Banana 2.1

Google
$1.50 / $7.50
Input / Output · per 1M tokens
VS
OpenAI

GPT-5.4 Image 2

OpenAI
$8.00 / $15.00
Input / Output · per 1M tokens
Compare different models
Google
OpenAI
Verdict: Nano Banana 2.1 is 3.3× cheaper than GPT-5.4 Image 2 on a typical 3:1 input/output mix. GPT-5.4 Image 2 has the larger context window (272K vs 66K).
Nano Banana 2.1GPT-5.4 Image 2
Input price / 1M$1.50$8.00
Output price / 1M$7.50$15.00
Blended price (3:1)$3.00$9.75
Cached input / 1M—$2.00
Context window66K272K
Max output59K128K
Intelligence index——
Coding index——
Providers1—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-10-062026-04-21
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana 2.1 or GPT-5.4 Image 2?

Nano Banana 2.1 is 3.3× cheaper than GPT-5.4 Image 2 on a typical 3:1 input/output mix.

Nano Banana 2.1 vs GPT-5.4 Image 2: which has a bigger context window?

Nano Banana 2.1: 65,536 tokens. GPT-5.4 Image 2: 272,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, GPT-5.4 Image 2 ≈ $23,500.

More comparisons