How many providers offer Gemini 3 Pro and GPT-5?

Gemini 3 Pro is available from 1 providers and GPT-5 is available from 4 providers. 1 providers offer both models, making it easy to switch between them.

What is the context window for Gemini 3 Pro vs GPT-5?

Gemini 3 Pro has a — context window and GPT-5 has a 272K context window.

How is blended price calculated?

Blended price uses the formula (3 x input + 1 x output) / 4 per million tokens, reflecting typical usage where input tokens outnumber output tokens roughly 3:1.

Gemini 3 Pro vs GPT-5 — API Pricing Comparison 2026

Compare GPT-5 and Gemini 3 Pro API pricing. OpenAI vs Google flagship models — find the cheapest provider and compare capabilities.

$4.50

Gemini 3 Pro cheapest

$3.44

GPT-5 cheapest

—

Gemini 3 Pro context

272K

GPT-5 context

Which is cheaper, Gemini 3 Pro or GPT-5?

GPT-5 is cheaper at $3.44/1M tokens via OpenAI, compared to Gemini 3 Pro at $4.50/1M via Replicate. 1 providers offer both models.

Model Specifications

Spec	Gemini 3 Pro	GPT-5
Type	chat	chat
Parameters	—	—
Context Window	—	272K
Arena ELO	1380	1380
Quality Tier	Frontier	Frontier
Open Weight	No	No
Cheapest Price	$4.50/1M	$3.44/1M
Cheapest Provider	Replicate	OpenAI
Providers	1	4

Price Comparison by Provider

4 providers

Provider	Gemini 3 Pro Input/1M	Gemini 3 Pro Output/1M	GPT-5 Input/1M	GPT-5 Output/1M
Azure OpenAI	—	—	$1.25	$10.00
OpenAI	—	—	$1.25	$10.00
OpenRouter	—	—	$1.50	$12.00
Replicate	$2.00	$12.00	$1.25	$10.00

Prices in USD per 1M tokens. Green highlights the cheaper model at each provider. Updated every 6 hours.

Gemini 3 Pro pricing details GPT-5 pricing details Custom comparison

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Frequently Asked Questions

GPT-5 is cheaper at $3.44/1M tokens (via OpenAI) compared to Gemini 3 Pro at $4.50/1M tokens (via Replicate). Prices vary by provider — Sector HQ tracks them all.

Prices in USD per 1M tokens. Updated every 6 hours.