OpenAI: GPT-4o vs OpenAI: o1 — API Pricing Comparison
OpenAI: GPT-4o is 83% cheaper than OpenAI: o1 at the same token volume. Data as of 2026-02-27.
OpenAI: GPT-4o
openai
Total /1M tokens
$12.500Input $2.500 · Output $10.000
Context: 128K tokens
Full details →Context: 128K tokens
OpenAI: o1
openai
Total /1M tokens
$75.000Input $15.000 · Output $60.000
Context: 200K tokens
Full details →Context: 200K tokens
Monthly Cost Comparison
| Monthly usage | OpenAI: GPT-4o | OpenAI: o1 | Savings with OpenAI: GPT-4o |
|---|---|---|---|
| 1M tokens/month | $12.50 | $75.00 | $62.50 |
| 10M tokens/month | $125.00 | $750.00 | $625.00 |
| 100M tokens/month | $1,250.00 | $7,500.00 | $6,250.00 |
| 1B tokens/month | $12,500.00 | $75,000.00 | $62,500.00 |
Use both automatically — let AI decide
StormRouter routes each prompt to the cheapest model that meets your quality requirements.
Use OpenAI: GPT-4o for simple tasks, OpenAI: o1 only when complexity demands it.