Comprehensive side-by-side LLM comparison
o3-mini leads with 25.2% higher average benchmark score. o3-mini is available on 2 providers. Overall, o3-mini is the stronger choice for coding tasks.
OpenAI
o3-mini was created as an efficient variant of the o3 reasoning model, designed to provide advanced thinking capabilities with reduced computational requirements. Built to make next-generation reasoning accessible to a broader range of applications, it balances analytical depth with practical speed and cost considerations.
Microsoft
Phi-4 Mini Reasoning was developed to incorporate extended thinking capabilities into the ultra-compact Phi-4 Mini architecture. Built to demonstrate that reasoning enhancements can be applied even to very small models, it brings analytical depth to resource-constrained environments.
3 months newer

o3-mini
OpenAI
2025-01-30

Phi 4 Mini Reasoning
Microsoft
2025-04-30
Context window and performance specifications
Average performance across 1 common benchmarks

o3-mini

Phi 4 Mini Reasoning
o3-mini
2023-09-30
Phi 4 Mini Reasoning
2025-02-01
Available providers and their performance metrics

o3-mini
Azure
OpenAI


o3-mini

Phi 4 Mini Reasoning

o3-mini

Phi 4 Mini Reasoning
Phi 4 Mini Reasoning