Comprehensive side-by-side LLM comparison
o4-mini leads with 9.7% higher average benchmark score. o4-mini offers 37.9K more tokens in context window than DeepSeek-R1-0528. DeepSeek-R1-0528 is $2.85 cheaper per million tokens. o4-mini supports multimodal inputs. DeepSeek-R1-0528 is available on 3 providers. Overall, o4-mini is the stronger choice for coding tasks.
DeepSeek
DeepSeek-R1-0528 represents a specific release iteration of the DeepSeek-R1 model, developed to incorporate refinements and improvements from ongoing training. Built to provide enhanced reasoning capabilities based on accumulated insights, it continues the evolution of DeepSeek's reasoning-focused architecture.
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.
1 month newer

o4-mini
OpenAI
2025-04-16

DeepSeek-R1-0528
DeepSeek
2025-05-28
Cost per million tokens (USD)

DeepSeek-R1-0528

o4-mini
Context window and performance specifications
Average performance across 7 common benchmarks

DeepSeek-R1-0528

o4-mini
Performance comparison across key benchmark categories

DeepSeek-R1-0528

o4-mini
o4-mini
2024-05-31
Available providers and their performance metrics

DeepSeek-R1-0528
DeepInfra
DeepSeek
Novita

DeepSeek-R1-0528

o4-mini

DeepSeek-R1-0528

o4-mini

o4-mini
OpenAI