Comprehensive side-by-side LLM comparison
o4-mini leads with 56.2% higher average benchmark score. o4-mini supports multimodal inputs. Overall, o4-mini is the stronger choice for coding tasks.
OpenAI
o4-mini was created as part of the next generation of OpenAI's reasoning models, designed to continue advancing the balance between analytical capability and operational efficiency. Built to bring cutting-edge reasoning techniques to applications requiring quick turnaround, it represents the evolution of compact reasoning-focused models.
Microsoft
Phi-4 Mini was created as an even more compact variant of Phi-4, designed to bring fourth-generation capabilities to the smallest possible footprint. Built for extreme efficiency scenarios, it enables AI capabilities on devices and applications where resources are severely constrained.
2 months newer

Phi 4 Mini
Microsoft
2025-02-01

o4-mini
OpenAI
2025-04-16
Context window and performance specifications
Average performance across 1 common benchmarks

o4-mini

Phi 4 Mini
o4-mini
2024-05-31
Phi 4 Mini
2024-06-01
Available providers and their performance metrics

o4-mini
OpenAI

Phi 4 Mini

o4-mini

Phi 4 Mini

o4-mini

Phi 4 Mini