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o1 vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 3.6% higher average benchmark score. o3 is $65.00 cheaper per million tokens. o3 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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OpenAI
o1 is a language model developed by OpenAI. It achieves strong performance with an average score of 71.6% across 19 benchmarks. It excels particularly in GSM8k (97.1%), MATH (96.4%), GPQA Physics (92.8%). It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.
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OpenAI
o3 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 67.5% across 22 benchmarks. It excels particularly in COLLIE (98.4%), AIME 2024 (91.6%), ARC-AGI (88.0%). It supports a 300K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
4 months newer
o1
OpenAI
2024-12-17
o3
OpenAI
2025-04-16
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 35 common benchmarks
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o1
Average Score:38.9%
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o3
Average Score:42.4%(+3.6%)
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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:38.9%
Providers:2
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o3
Avg Score:42.4%(+3.6%)
Providers:1