GPT-4o vs Gemini 2.5 Pro API Price Comparison

Prices updated: ·118 quotes

As of : At official rates, GPT-4o is $2.5000/1M input tokens and Gemini 2.5 Pro is $1.2500 — Gemini 2.5 Pro is ~50% cheaper than GPT-4o. Via relay providers, the lowest GPT-4o rate is $0.0828 (PoloAPI) and Gemini 2.5 Pro is $0.0517 (TreeRouter). Context windows: GPT-4o 131K, Gemini 2.5 Pro 1000K. GPT-4o and Gemini 2.5 Pro support image input. 118 provider quotes tracked (GPT-4o: 76, Gemini 2.5 Pro: 42), updated daily.
GPT-4oMid-tier
Official
$2.5000
/ 1M tokens
Best Price
$0.0828
/ 1M tokens
76 providers · 131K Context · 👁 Vision
Gemini 2.5 ProMid-tier
Official
$1.2500
/ 1M tokens
Best Price
$0.0517
/ 1M tokens
42 providers · 1000K Context · 👁 Vision
At official prices, Gemini 2.5 Pro is ~50% cheaper. At the best relay price, Gemini 2.5 Pro is ~38% cheaper.

Price Comparison

GPT-4oGemini 2.5 Pro
Official input / 1M tokens$2.5000$1.2500
Official output / 1M tokens$10.0000$10.0000
Cheapest input / 1M tokens$0.0828$0.0517
Cheapest output / 1M tokens$0.0517$0.4138
providers7642
Context131K1000K
Vision

GPT-4o — All Providers

Detail page →
ProviderInput / 1MAPI
Official
Azure OpenAIOfficial🌐Manual
$2.5000
Try →
Relay / Aggregator
PoloAPIRelayLowest🇨🇳支付宝微信⚠️ Unusually lowLive
$0.0828
Try →
TreeRouterRelay🇨🇳支付宝微信⚠️ Unusually lowLive
$0.1034
Try →
RunAPIRelay🇨🇳支付宝微信Live
$0.1379
Try →
ProAI APIRelay🇨🇳支付宝微信Live
$0.1793
Try →
EasyRouterRelay🇨🇳支付宝微信Live
$0.3448
Try →
UiUiAPIRelay🇨🇳支付宝微信VisaMCLive
$0.3448
Try →

Gemini 2.5 Pro — All Providers

Detail page →
ProviderInput / 1MAPI
Official
Google Vertex AIOfficial🌐VisaMCGCP👁Manual
$1.2500
Try →
Google AIOfficial🌐VisaMCGCP👁Live
$1.2500
Try →
Relay / Aggregator
TreeRouterRelayLowest🇨🇳支付宝微信⚠️ Unusually lowLive
$0.0517
Try →
RunAPIRelay🇨🇳支付宝微信Live
$0.0745
Try →
ProAI APIRelay🇨🇳支付宝微信Live
$0.1241
Try →
PoloAPIRelay🇨🇳支付宝微信Live
$0.1724
Try →
PackyCodeRelay🇨🇳支付宝微信Live
$0.1724
Try →
LaoZhang APIRelay🇨🇳支付宝微信Live
$0.1724
Try →

Frequently Asked Questions

Which is cheaper, GPT-4o or Gemini 2.5 Pro?

At official price, Gemini 2.5 Pro is cheaper by ~50%. At the best relay price, Gemini 2.5 Pro with a ~38% difference.

What context window do GPT-4o and Gemini 2.5 Pro support?

GPT-4o has a 131K token context window; Gemini 2.5 Pro has 1000K tokens.

Do GPT-4o and Gemini 2.5 Pro support image input?

GPT-4o supports image input; Gemini 2.5 Pro supports image input.

What is the cheapest way to access GPT-4o or Gemini 2.5 Pro?

GPT-4o's lowest input price is $0.0828/1M tokens (PoloAPI). Gemini 2.5 Pro's is $0.0517/1M tokens (TreeRouter). Relay providers typically offer lower prices with different SLA terms.

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