Gemini 2.5 Pro vs GPT-5.4 Nano

Price, context window & benchmark comparison

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Gemini 2.5 Pro

Google
$1.25 / $10.00
Input / Output · per 1M tokens
VS
O

GPT-5.4 Nano

OpenAI
$0.20 / $1.25
Input / Output · per 1M tokens
Compare different models
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O
Verdict: GPT-5.4 Nano is 7.4× cheaper than Gemini 2.5 Pro on a typical 3:1 input/output mix. GPT-5.4 Nano scores higher on the Artificial Analysis Intelligence Index (20.7 vs 16.1). Gemini 2.5 Pro has the larger context window (1M vs 400K).
Gemini 2.5 ProGPT-5.4 Nano
Input price / 1M$1.25$0.20
Output price / 1M$10.00$1.25
Blended price (3:1)$3.44$0.46
Cached input / 1M$0.13$0.02
Context window1M400K
Max output66K128K
Intelligence index16.120.7
Coding index33.356.1
Providers
Best provider uptime (30m)
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-06-172026-03-17
Retirement2026-10-20

Cost calculator

FAQ

Which is cheaper, Gemini 2.5 Pro or GPT-5.4 Nano?

GPT-5.4 Nano is 7.4× cheaper than Gemini 2.5 Pro on a typical 3:1 input/output mix.

Gemini 2.5 Pro vs GPT-5.4 Nano: which has a bigger context window?

Gemini 2.5 Pro: 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 2.5 Pro ≈ $7,500, GPT-5.4 Nano ≈ $1,025.

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