LLM Reference
All comparisons

o4-mini vs o3 Mini

Side-by-side comparison of specifications, capabilities, and pricing.

Released2025-04-162025-03-31
Context window
Parameters
Architecturedecoder onlydecoder only
LicenseProprietaryUnknown
Knowledge cutoff2025-08

Capabilities

Multimodal
Function calling
Tool use
JSON mode

Availability

Providers