Google: Gemini 2.0 Flash vs OpenAI: GPT-4o-mini — API Pricing Comparison
Google: Gemini 2.0 Flash is 33% cheaper than OpenAI: GPT-4o-mini at the same token volume. Data as of 2026-02-27.
Google: Gemini 2.0 Flash
Total /1M tokens
$0.500Input $0.100 · Output $0.400
Context: 1048K tokens
Full details →Context: 1048K tokens
OpenAI: GPT-4o-mini
openai
Total /1M tokens
$0.750Input $0.150 · Output $0.600
Context: 128K tokens
Full details →Context: 128K tokens
Monthly Cost Comparison
| Monthly usage | Google: Gemini 2.0 Flash | OpenAI: GPT-4o-mini | Savings with Google: Gemini 2.0 Flash |
|---|---|---|---|
| 1M tokens/month | $0.50 | $0.75 | $0.25 |
| 10M tokens/month | $5.00 | $7.50 | $2.50 |
| 100M tokens/month | $50.00 | $75.00 | $25.00 |
| 1B tokens/month | $500.00 | $750.00 | $250.00 |
Use both automatically — let AI decide
StormRouter routes each prompt to the cheapest model that meets your quality requirements.
Use Google: Gemini 2.0 Flash for simple tasks, OpenAI: GPT-4o-mini only when complexity demands it.