DeepSeek-R1 (05/28) vs o3
Detailed comparison of capabilities, features, and performance.
Feature
DeepSeek-R1 (05/28)
o3
Model Image
AI Lab
DeepSeek
OpenAI
Context Size
131,072 tokens
200,000 tokens
Max Output Size
8,192 tokens
100,000 tokens
Frontier Model
No
Yes
Vision Support
No
Yes
Description
Deep reasoning model from DeepSeek hosted securely in the USA, updated on 05/28/2025
o3 is powerful across all domains. It excels at Math, Science, Coding and Visual Reasoning tasks. Best for multi-step problems, not everyday.
Learn more about DeepSeek-R1 (05/28)
View detailed specifications and capabilities
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