Nano Banana 2.1 vs GPT-4 Turbo

Price, context window & benchmark comparison

Google

Nano Banana 2.1

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

GPT-4 Turbo

OpenAI
$10.00 / $30.00
Input / Output · per 1M tokens
Compare different models
Google
OpenAI
Verdict: Nano Banana 2.1 is 5.0× cheaper than GPT-4 Turbo on a typical 3:1 input/output mix. GPT-4 Turbo has the larger context window (128K vs 66K).
Nano Banana 2.1GPT-4 Turbo
Input price / 1M$1.50$10.00
Output price / 1M$7.50$30.00
Blended price (3:1)$3.00$15.00
Cached input / 1M——
Context window66K128K
Max output59K4K
Intelligence index——
Coding index—21.5
Providers1—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesNo
Tool callingYesYes
Released2026-10-062024-04-09
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana 2.1 or GPT-4 Turbo?

Nano Banana 2.1 is 5.0× cheaper than GPT-4 Turbo on a typical 3:1 input/output mix.

Nano Banana 2.1 vs GPT-4 Turbo: which has a bigger context window?

Nano Banana 2.1: 65,536 tokens. GPT-4 Turbo: 128,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, GPT-4 Turbo ≈ $35,000.

More comparisons