Nano Banana 2.1 vs GPT-6 Luna Pro

Price, context window & benchmark comparison

Google

Nano Banana 2.1

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

GPT-6 Luna Pro

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
Compare different models
Google
OpenAI
Verdict: GPT-6 Luna Pro is 15.0× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 66K).
Nano Banana 2.1GPT-6 Luna Pro
Input price / 1M$1.50$0.10
Output price / 1M$7.50$0.50
Blended price (3:1)$3.00$0.20
Cached input / 1M—$0.01
Context window66K1.1M
Max output59K128K
Intelligence index——
Coding index——
Providers16
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-062026-09-22
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana 2.1 or GPT-6 Luna Pro?

GPT-6 Luna Pro is 15.0× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.

Nano Banana 2.1 vs GPT-6 Luna Pro: which has a bigger context window?

Nano Banana 2.1: 65,536 tokens. GPT-6 Luna Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, GPT-6 Luna Pro ≈ $450.00.

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