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GPT-4o mini vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 39.3% 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 was created as a smaller, more efficient variant of GPT-4o, designed to bring multimodal capabilities to applications requiring faster response times and lower costs. Built to democratize access to advanced vision and text understanding, it enables developers to build sophisticated applications with reduced resource requirements.
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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.
9 months newer
GPT-4o mini
OpenAI
2024-07-18
o3
OpenAI
2025-04-16
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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 4 common benchmarks
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GPT-4o mini
Average Score:41.3%
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o3
Average Score:80.5%(+39.3%)
Performance comparison across key benchmark categories
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GPT-4o mini
Coding8.7%
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o3
Coding69.1%(+60.4%)
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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:41.3%
Providers:1
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o3
Avg Score:80.5%(+39.3%)
Providers:1