Google: Gemini 2.0 Flash vs OpenAI: GPT-4o — API Pricing Comparison
Google: Gemini 2.0 Flash is 96% cheaper than OpenAI: GPT-4o 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
openai
Total /1M tokens
$12.500Input $2.500 · Output $10.000
Context: 128K tokens
Full details →Context: 128K tokens
Monthly Cost Comparison
| Monthly usage | Google: Gemini 2.0 Flash | OpenAI: GPT-4o | Savings with Google: Gemini 2.0 Flash |
|---|---|---|---|
| 1M tokens/month | $0.50 | $12.50 | $12.00 |
| 10M tokens/month | $5.00 | $125.00 | $120.00 |
| 100M tokens/month | $50.00 | $1,250.00 | $1,200.00 |
| 1B tokens/month | $500.00 | $12,500.00 | $12,000.00 |
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 only when complexity demands it.