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GPT-4o vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 30.9% higher average benchmark score. o3 offers 167.9K more tokens in context window than GPT-4o. o3 is $2.50 cheaper per million tokens. Overall, o3 is the stronger choice for coding tasks.
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OpenAI
GPT-4o is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 77.4% across 8 benchmarks. It excels particularly in MGSM (90.5%), HumanEval (90.2%), MMLU (88.7%). It supports a 132K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. 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.
11 months newer
GPT-4o
OpenAI
2024-05-13
o3
OpenAI
2025-04-16
Pricing Comparison
Cost per million tokens (USD)
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GPT-4o
Input:$2.50
Output:$10.00
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o3
Input:$2.00
Output:$8.00($2.50 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 28 common benchmarks
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GPT-4o
Average Score:22.1%
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o3
Average Score:53.0%(+30.9%)
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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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GPT-4o
2 providers
Azure
Throughput: 92 tok/s
Latency: 0.54ms
OpenAI
Throughput: 100 tok/s
Latency: 0.5ms
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GPT-4o
Avg Score:22.1%
Providers:2
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o3
Avg Score:53.0%(+30.9%)
Providers:1