Head to head

GPT-5 Image Mini vs Nano Banana

Price, context, inputs and filters. No benchmarks theatre.

Nano Banana costs 3.4× less per message.

GPT-5 Image Mini holds 6.1× more context.

Fact

Made by

OpenAI

Google

Content tier

Mainstream

Intelligence

Quick

Price per message

~5.59 credits≈ 17 messages for $1

~1.63 credits≈ 61 messages for $1

Context window

400K tokens≈ 615 pages of text in one go

66K tokens≈ 101 pages of text in one go

Reads

Text, Images

Writes

Text, Images

Tool use

No - plain chat

Served via

OpenRouter, Unbottled AI

Status

Current

A typical message: 16K tokens in, 1.5K out. Short replies cost less. 1 credit = $0.01.