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o1 vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 13.5% higher average benchmark score. o3 is $65.00 cheaper per million tokens. o3 supports multimodal inputs. Overall, o3 is the stronger choice for coding tasks.
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OpenAI
o1 was developed as part of OpenAI's reasoning-focused model series, designed to spend more time thinking before responding. Built to excel at complex reasoning tasks in science, coding, and mathematics, it employs extended internal reasoning processes to solve harder problems than traditional language models through careful step-by-step analysis.
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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
OpenAI
2024-12-17
o3
OpenAI
2025-04-16
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Pricing Comparison
Cost per million tokens (USD)
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o1
Input:$15.00
Output:$60.00
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o3
Input:$2.00
Output:$8.00($65.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 6 common benchmarks
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o1
Average Score:58.0%
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o3
Average Score:71.6%(+13.5%)
Performance comparison across key benchmark categories
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o1
Coding41.0%
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o3
Coding69.1%(+28.1%)
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Knowledge Cutoff
Training data recency comparison
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
2 providers
Azure
Throughput: 16 tok/s
Latency: 0.54ms
OpenAI
Throughput: 66 tok/s
Latency: 16.2ms
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o1
Avg Score:58.0%
Providers:2
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o3
Avg Score:71.6%(+13.5%)
Providers:1