Auto-generated comparison

Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs OpenAI: GPT-5.4 Nano

OpenAI: GPT-5.4 Nano wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.

Side-by-side comparison

CapabilityGoogle: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)OpenAI: GPT-5.4 NanoWinner
Context window
Maximum number of input tokens the model can attend to in a single request.
66K400K🏆 OpenAI: GPT-5.4 Nano
Input price (per 1M)
Cost per million input tokens billed by the provider.
$0.25$0.20🏆 OpenAI: GPT-5.4 Nano
Output price (per 1M)
Cost per million output tokens billed by the provider.
$1.50$1.25🏆 OpenAI: GPT-5.4 Nano
Tool / function calling
First-class support for emitting structured tool calls.
Yes🏆 OpenAI: GPT-5.4 Nano
Vision input
Accepts image inputs alongside text.
YesYesTie
Reasoning mode
Internal chain-of-thought / extended-thinking support.
YesYesTie

Frequently asked questions

Is Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) better than OpenAI: GPT-5.4 Nano?

OpenAI: GPT-5.4 Nano wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.

What's the price difference between Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) and OpenAI: GPT-5.4 Nano?

Input: $0.25 vs $0.20 per 1M tokens. Output: $1.50 vs $1.25 per 1M tokens.

What context windows do Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) and OpenAI: GPT-5.4 Nano support?

Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) supports up to 66K tokens. OpenAI: GPT-5.4 Nano supports up to 400K tokens.

Do both Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) and OpenAI: GPT-5.4 Nano support tool calling?

Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): not advertised. OpenAI: GPT-5.4 Nano: yes.

Compare Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) with other models

Compare OpenAI: GPT-5.4 Nano with other models