All models
Head to head

GPT-5 Image vs Nano Banana Pro

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

Nano Banana Pro costs 3.5Γ— less per message.

GPT-5 Image holds 6.1Γ— more context.

MainstreamChat with GPT-5 Image
MainstreamChat with Nano Banana Pro
Made by
OpenAI
Google
Content tier
Mainstream
Mainstream
Intelligence
Smart & Cheap
Brilliant
Estimated price per message
~22.75 creditsβ‰ˆ 4 messages for $1
~6.5 creditsβ‰ˆ 15 messages for $1
Context window
400K tokensβ‰ˆ 615 pages of text in one go
66K tokensβ‰ˆ 101 pages of text in one go
Reads
Text, Images
Text, Images
Writes
Text, Images
Text, Images
Tool use
No - plain chat
No - plain chat
Served via
OpenRouter, Unbottled AI
OpenRouter, Unbottled AI
Status
Legacy
Current

A typical message: 16K tokens in, 1.5K out. Short replies cost less. Models served via OpenRouter bill the real provider cost plus our markup, so actual charges vary. 1 credit = $0.01.