o4-mini
ProprietaryMultimodal
About
Fast and cost-efficient reasoning model with vision support for math, coding, and visual understanding. Retired from ChatGPT February 13, 2026 but still available via API. Released April 16, 2025.
Capabilities
MultimodalFunction CallingTool UseJSON Mode
Specifications
Released2025-04-16
ArchitectureDecoder Only
Knowledge cutoff2025-08
Specializationgeneral
LicenseProprietary