Gemini 3.5 Flash Lite vs GPT-5.4 Nano

Price, context window & benchmark comparison

Gemini 3.5 Flash Lite

Google

$0.30 / $2.50

Input / Output · per 1M tokens

GPT-5.4 Nano

OpenAI

$0.20 / $1.25

Input / Output · per 1M tokens

Compare different models

Verdict: GPT-5.4 Nano is 46% cheaper than Gemini 3.5 Flash Lite on a typical 3:1 input/output mix. Gemini 3.5 Flash Lite scores higher on the Artificial Analysis Intelligence Index (22.2 vs 20.7). Gemini 3.5 Flash Lite has the larger context window (1M vs 400K).

	Gemini 3.5 Flash Lite	GPT-5.4 Nano
Input price / 1M	$0.30	$0.20
Output price / 1M	$2.50	$1.25
Blended price (3:1)	$0.85	$0.46
Cached input / 1M	$0.03	$0.02
Context window	1M	400K
Max output	66K	128K
Intelligence index	22.2	20.7
Coding index	49.3	56.1
Providers	8	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-07-21	2026-03-17
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Gemini 3.5 Flash Lite or GPT-5.4 Nano?

GPT-5.4 Nano is 46% cheaper than Gemini 3.5 Flash Lite on a typical 3:1 input/output mix.

Gemini 3.5 Flash Lite vs GPT-5.4 Nano: which has a bigger context window?

Gemini 3.5 Flash Lite: 1,048,576 tokens. GPT-5.4 Nano: 400,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 3.5 Flash Lite ≈ $1,850, GPT-5.4 Nano ≈ $1,025.

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