Comprehensive side-by-side LLM comparison
o1-preview leads with 13.8% higher average benchmark score. o1-preview offers 128.8K more tokens in context window than Phi 4. Phi 4 is $74.79 cheaper per million tokens. Overall, o1-preview is the stronger choice for coding tasks.
OpenAI
o1-preview was introduced as an early version of OpenAI's reasoning model series, designed to demonstrate the potential of AI models that engage in extended thinking before responding. Built to solve complex problems through deliberate reasoning processes, it represented an initial step toward more thoughtful and analytical AI systems.
Microsoft
Phi-4 was introduced as the fourth generation of Microsoft's small language model series, designed to push the boundaries of what compact models can achieve. Built with advanced training techniques and architectural improvements, it demonstrates continued progress in efficient, high-quality language models.
3 months newer

o1-preview
OpenAI
2024-09-12

Phi 4
Microsoft
2024-12-12
Cost per million tokens (USD)

o1-preview

Phi 4
Context window and performance specifications
Average performance across 6 common benchmarks

o1-preview

Phi 4
Phi 4
2024-06-01
Available providers and their performance metrics

o1-preview
Azure
OpenAI


o1-preview

Phi 4

o1-preview

Phi 4
Phi 4
DeepInfra