o4-mini
o4-mini
also answers to: o4-mini-2025-04-16
2025-04-16 — still running · lived 1 year, 4 months · plot reserved
It arrived beside o3 as half of the pair that could reach for every tool in ChatGPT on its own — search, Python, vision — and decide when to. Eighteen months is all it gets: of the four reasoning models going on 23 October, this is the youngest and the last to arrive.
- Provider
- OpenAI
- Cause of death
- Superseded
- Funeral
- 2026-10-23