Gemini 3.5 Flash vs GPT-4.1 API Price Comparison
Prices updated: ·35 quotes
As of : At official rates, Gemini 3.5 Flash is $1.5000/1M input tokens and GPT-4.1 is $2.0000 — Gemini 3.5 Flash is ~25% cheaper than GPT-4.1. Via relay providers, the lowest Gemini 3.5 Flash rate is $0.0621 (TreeRouter) and GPT-4.1 is $0.0828 (TreeRouter). Context windows: Gemini 3.5 Flash 1000K, GPT-4.1 1024K. Gemini 3.5 Flash and GPT-4.1 support image input. 35 provider quotes tracked (Gemini 3.5 Flash: 14, GPT-4.1: 21), updated daily.
Gemini 3.5 FlashMid-tier
Official
$1.5000
/ 1M tokens
Best Price
$0.0621
/ 1M tokens
14 providers · 1000K Context · 👁 Vision
GPT-4.1Mid-tier
Official
$2.0000
/ 1M tokens
Best Price
$0.0828
/ 1M tokens
21 providers · 1024K Context · 👁 Vision
At official prices, Gemini 3.5 Flash is ~25% cheaper. At the best relay price, Gemini 3.5 Flash is ~25% cheaper.
Price Comparison
| Gemini 3.5 Flash | GPT-4.1 | |
|---|---|---|
| Official input / 1M tokens | $1.5000 ✓ | $2.0000 |
| Official output / 1M tokens | $9.0000 | $8.0000 ✓ |
| Cheapest input / 1M tokens | $0.0621 ✓ | $0.0828 |
| Cheapest output / 1M tokens | $0.3724 | $0.3310 ✓ |
| providers | 14 | 21 |
| Context | 1000K | 1024K |
| Vision | ✓ | ✓ |
Gemini 3.5 Flash — All Providers
Detail page →GPT-4.1 — All Providers
Detail page →Frequently Asked Questions
Which is cheaper, Gemini 3.5 Flash or GPT-4.1?
At official price, Gemini 3.5 Flash is cheaper by ~25%. At the best relay price, Gemini 3.5 Flash with a ~25% difference.
What context window do Gemini 3.5 Flash and GPT-4.1 support?
Gemini 3.5 Flash has a 1000K token context window; GPT-4.1 has 1024K tokens.
Do Gemini 3.5 Flash and GPT-4.1 support image input?
Gemini 3.5 Flash supports image input; GPT-4.1 supports image input.
What is the cheapest way to access Gemini 3.5 Flash or GPT-4.1?
Gemini 3.5 Flash's lowest input price is $0.0621/1M tokens (TreeRouter). GPT-4.1's is $0.0828/1M tokens (TreeRouter). Relay providers typically offer lower prices with different SLA terms.
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