← the graveyard

o1 pro

o1-pro

also answers to: o1-pro-2025-03-19

2025-03-19still running · lived 1 year, 5 months · plot reserved

A hundred and fifty dollars a million tokens in, six hundred out: the most expensive thing OpenAI has ever put behind an API, sold on the premise that some questions are worth more compute than others. It was o1 given longer to think. Nineteen months later it is switched off alongside the tier it defined.

Provider
OpenAI
Cause of death
Superseded
Funeral
2026-10-23
Context
200,000 tokens
Cost per Mtok
$150.00 in · $600.00 out

Sources