Gemini 2.5 Pro vs GPT-5.5 API Price Comparison
Gemini 2.5 Pro
Official
$1.2500
/ 1M tokens
Best Price
$1.2500
/ 1M tokens
5 providers · 1000K Context · 👁 Vision
GPT-5.5
Official
$5.0000
/ 1M tokens
Best Price
$1.7069
/ 1M tokens
5 providers · 1050K Context · 👁 Vision
At official prices, Gemini 2.5 Pro is ~75% cheaper. At the best relay price, Gemini 2.5 Pro is ~27% cheaper.
Price Comparison
| Gemini 2.5 Pro | GPT-5.5 | |
|---|---|---|
| Official input / 1M tokens | $1.2500 ✓ | $5.0000 |
| Official output / 1M tokens | $10.0000 ✓ | $30.0000 |
| Cheapest input / 1M tokens | $1.2500 ✓ | $1.7069 |
| Cheapest output / 1M tokens | $10.0000 ✓ | $10.2414 |
| providers | 5 | 5 |
| Context | 1000K | 1050K |
| Vision | ✓ | ✓ |
Gemini 2.5 Pro — All Providers
Detail page →GPT-5.5 — All Providers
Detail page →Frequently Asked Questions
Which is cheaper, Gemini 2.5 Pro or GPT-5.5?
At official price, Gemini 2.5 Pro is cheaper by ~75%. At the best relay price, Gemini 2.5 Pro with a ~27% difference.
What context window do Gemini 2.5 Pro and GPT-5.5 support?
Gemini 2.5 Pro has a 1000K token context window; GPT-5.5 has 1050K tokens.
Do Gemini 2.5 Pro and GPT-5.5 support image input?
Gemini 2.5 Pro supports image input; GPT-5.5 supports image input.
What is the cheapest way to access Gemini 2.5 Pro or GPT-5.5?
Gemini 2.5 Pro's lowest input price is $1.2500/1M tokens (OpenRouter). GPT-5.5's is $1.7069/1M tokens (YunWu AI). Relay providers typically offer lower prices with different SLA terms.
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