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GPT-4o mini vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 33.8% higher average benchmark score. o3 offers 155.6K more tokens in context window than GPT-4o mini. GPT-4o mini is $9.25 cheaper per million tokens. Overall, o3 is the stronger choice for coding tasks.
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OpenAI
GPT-4o mini is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.5% across 9 benchmarks. It excels particularly in HumanEval (87.2%), MGSM (87.0%), MMLU (82.0%). It supports a 144K 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 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.
9 months newer
GPT-4o mini
OpenAI
2024-07-18
o3
OpenAI
2025-04-16
Pricing Comparison
Cost per million tokens (USD)
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GPT-4o mini
Input:$0.15
Output:$0.60($9.25 cheaper)
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o3
Input:$2.00
Output:$8.00
Performance Metrics
Context window and performance specifications
Average performance across 27 common benchmarks
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GPT-4o mini
Average Score:21.2%
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o3
Average Score:55.0%(+33.8%)
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Knowledge Cutoff
Training data recency comparison
GPT-4o mini
2023-10-01
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 mini
1 providers
Azure
Throughput: 92 tok/s
Latency: 0.52ms
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o3
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GPT-4o mini
Avg Score:21.2%
Providers:1
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o3
Avg Score:55.0%(+33.8%)
Providers:1