Comprehensive side-by-side LLM comparison
o1-preview leads with 36.1% higher average benchmark score. Phi-3.5-mini-instruct offers 95.2K more tokens in context window than o1-preview. Phi-3.5-mini-instruct is $74.80 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-3.5 Mini was developed by Microsoft as a small language model designed to deliver impressive performance despite its compact size. Built with efficiency in mind, it demonstrates that capable language understanding and generation can be achieved with fewer parameters, making AI more accessible for edge and resource-constrained deployments.
20 days newer

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

o1-preview
OpenAI
2024-09-12
Cost per million tokens (USD)

o1-preview

Phi-3.5-mini-instruct
Context window and performance specifications
Average performance across 4 common benchmarks

o1-preview

Phi-3.5-mini-instruct
Available providers and their performance metrics

o1-preview
Azure
OpenAI


o1-preview

Phi-3.5-mini-instruct

o1-preview

Phi-3.5-mini-instruct
Phi-3.5-mini-instruct
Azure