Comprehensive side-by-side LLM comparison
o4-mini leads with 39.5% higher average benchmark score. 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-3.5 Vision was developed as a multimodal variant of Phi-3.5, designed to understand and reason about both images and text. Built to extend the Phi family's efficiency into vision-language tasks, it enables compact multimodal AI for practical applications.
7 months newer

Phi-3.5-vision-instruct
Microsoft
2024-08-23

o4-mini
OpenAI
2025-04-16
Context window and performance specifications
Average performance across 2 common benchmarks

o4-mini

Phi-3.5-vision-instruct
o4-mini
2024-05-31
Available providers and their performance metrics

o4-mini
OpenAI

Phi-3.5-vision-instruct

o4-mini

Phi-3.5-vision-instruct

o4-mini

Phi-3.5-vision-instruct