Nano Banana 2.1 vs GPT-6.1 Terra Pro

Price, context window & benchmark comparison

Google

Nano Banana 2.1

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

GPT-6.1 Terra Pro

OpenAI
$1.00 / $5.00
Input / Output · per 1M tokens
Compare different models
Google
OpenAI
Verdict: GPT-6.1 Terra Pro is 33% cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 66K).
Nano Banana 2.1GPT-6.1 Terra Pro
Input price / 1M$1.50$1.00
Output price / 1M$7.50$5.00
Blended price (3:1)$3.00$2.00
Cached input / 1M—$0.05
Context window66K1.1M
Max output59K128K
Intelligence index——
Coding index——
Providers14
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-062026-10-26
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana 2.1 or GPT-6.1 Terra Pro?

GPT-6.1 Terra Pro is 33% cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.

Nano Banana 2.1 vs GPT-6.1 Terra Pro: which has a bigger context window?

Nano Banana 2.1: 65,536 tokens. GPT-6.1 Terra 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-6.1 Terra Pro ≈ $4,500.

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