Comprehensive side-by-side LLM comparison
DeepSeek-R1 offers 101.4K more tokens in context window than o1-preview. DeepSeek-R1 is $72.26 cheaper per million tokens. DeepSeek-R1 is available on 5 providers. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-R1 was developed as a reasoning-focused language model, designed to combine chain-of-thought reasoning with reinforcement learning techniques. Built to excel at complex problem-solving through trial-and-error learning and deliberate analytical processes, it demonstrates the power of efficient training methods in open-source model development.
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.
4 months newer

o1-preview
OpenAI
2024-09-12

DeepSeek-R1
DeepSeek
2025-01-20
Cost per million tokens (USD)

DeepSeek-R1

o1-preview
Context window and performance specifications
Available providers and their performance metrics

DeepSeek-R1
DeepInfra
DeepSeek
Fireworks
Together
ZeroEval

DeepSeek-R1

o1-preview

DeepSeek-R1

o1-preview

o1-preview
Azure
OpenAI