Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs GPT-6.1 Terra Pro

Price, context window & benchmark comparison

Google

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

Google
$0.25 / $1.50
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: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is 3.6× cheaper than GPT-6.1 Terra Pro 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 Lite (Gemini 3.1 Flash Lite Image)GPT-6.1 Terra Pro
Input price / 1M$0.25$1.00
Output price / 1M$1.50$5.00
Blended price (3:1)$0.56$2.00
Cached input / 1M—$0.05
Context window66K1.1M
Max output59K128K
Intelligence index——
Coding index——
Providers26
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingNoYes
Released2026-06-302026-10-26
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) or GPT-6.1 Terra Pro?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is 3.6× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs GPT-6.1 Terra Pro: which has a bigger context window?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): 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 Lite (Gemini 3.1 Flash Lite Image) ≈ $1,250, GPT-6.1 Terra Pro ≈ $4,500.

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