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o1-pro vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 5.0% higher average benchmark score. Both models have their strengths depending on your specific coding needs.
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OpenAI
o1-pro was developed as an enhanced version of the o1 reasoning model, designed to provide extended reasoning capabilities with greater depth and reliability. Built for professionals and advanced users tackling complex analytical tasks, it offers enhanced thinking time and reasoning quality for the most demanding applications.
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OpenAI
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
4 months newer
o1-pro
OpenAI
2024-12-17
o3
OpenAI
2025-04-16
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Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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o1-pro
Average Score:82.5%
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o3
Average Score:87.5%(+5.0%)
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Knowledge Cutoff
Training data recency comparison
o1-pro
2023-09-30
o3
2024-05-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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o1-pro
0 providers
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o3
1 providers
OpenAI
Throughput:
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o1-pro
Avg Score:82.5%
Providers:0
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o3
Avg Score:87.5%(+5.0%)
Providers:1