LLM Price Watch › Price history › GPT-4o
GPT-4o price history
OpenAI · mid tier · context 128K. Daily API prices per million tokens, tracked since Oct 2, 2026.
$2.5input / 1M today
$10output / 1M today
0price changes recorded
$2.5–$2.5input range, 31 days
Every price change we recorded
No price change recorded yet. The price has been stable since we started tracking GPT-4o.
Get told the day it changes
Price-change alerts are free by e-mail on the front page. Developers can pull the data from the free history API (last 30 days; API Pro adds full history and webhooks).
Questions
What does GPT-4o cost right now?
GPT-4o by OpenAI costs $2.5 per million input tokens and $10 per million output tokens, as recorded by LLM Price Watch today.
Has the GPT-4o price changed?
No. We have not recorded a price change for GPT-4o since we started tracking it.
Where does this price history come from?
LLM Price Watch records the listed API price of every tracked model once a day. The raw daily data is available free for the last 30 days at api.llmpricewatch.com/v1/history/gpt-4o.