OpenAI: GPT-4o-mini vs Auto Router — API Pricing Comparison
Auto Router is 266666767% cheaper than OpenAI: GPT-4o-mini at the same token volume. Data as of 2026-02-27.
OpenAI: GPT-4o-mini
openai
Total /1M tokens
$0.750Input $0.150 · Output $0.600
Context: 128K tokens
Full details →Context: 128K tokens
Auto Router
openrouter
Total /1M tokens
$-2000000.000000Input $-1000000.000000 · Output $-1000000.000000
Context: 2000K tokens
Full details →Context: 2000K tokens
Monthly Cost Comparison
| Monthly usage | OpenAI: GPT-4o-mini | Auto Router | Savings with Auto Router |
|---|---|---|---|
| 1M tokens/month | $0.75 | <$0.01 | $2,000,000.75 |
| 10M tokens/month | $7.50 | <$0.01 | $20,000,007.50 |
| 100M tokens/month | $75.00 | <$0.01 | $200,000,075.00 |
| 1B tokens/month | $750.00 | <$0.01 | $2,000,000,750.00 |
Use both automatically — let AI decide
StormRouter routes each prompt to the cheapest model that meets your quality requirements.
Use Auto Router for simple tasks, OpenAI: GPT-4o-mini only when complexity demands it.