GPT-5.4 vs Gemini 3.5 Flash API Price Comparison
GPT-5.4Mid-tier
Official
$2.5000
/ 1M tokens
Best Price
$0.8534
/ 1M tokens
4 providers · 1050K Context · 👁 Vision
Gemini 3.5 FlashMid-tier
Official
$1.5000
/ 1M tokens
Best Price
$1.5000
/ 1M tokens
4 providers · 1000K Context · 👁 Vision
At official prices, Gemini 3.5 Flash is ~40% cheaper. At the best relay price, GPT-5.4 is ~43% cheaper.
Price Comparison
| GPT-5.4 | Gemini 3.5 Flash | |
|---|---|---|
| Official input / 1M tokens | $2.5000 | $1.5000 ✓ |
| Official output / 1M tokens | $15.0000 | $9.0000 ✓ |
| Cheapest input / 1M tokens | $0.8534 ✓ | $1.5000 |
| Cheapest output / 1M tokens | $5.1207 ✓ | $9.0000 |
| providers | 4 | 4 |
| Context | 1050K | 1000K |
| Vision | ✓ | ✓ |
GPT-5.4 — All Providers
Detail page →Gemini 3.5 Flash — All Providers
Detail page →Frequently Asked Questions
Which is cheaper, GPT-5.4 or Gemini 3.5 Flash?
At official price, Gemini 3.5 Flash is cheaper by ~40%. At the best relay price, GPT-5.4 with a ~43% difference.
What context window do GPT-5.4 and Gemini 3.5 Flash support?
GPT-5.4 has a 1050K token context window; Gemini 3.5 Flash has 1000K tokens.
Do GPT-5.4 and Gemini 3.5 Flash support image input?
GPT-5.4 supports image input; Gemini 3.5 Flash supports image input.
What is the cheapest way to access GPT-5.4 or Gemini 3.5 Flash?
GPT-5.4's lowest input price is $0.8534/1M tokens (YunWu AI). Gemini 3.5 Flash's is $1.5000/1M tokens (302.AI). Relay providers typically offer lower prices with different SLA terms.
Related