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GPT-4o vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 27.5% higher average benchmark score. o3 offers 155.6K 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
This updated version of GPT-4o was released with refinements to its multimodal capabilities and improved performance across text, vision, and audio tasks. Built to incorporate learnings from the initial GPT-4o deployment, it enhanced reliability and accuracy while maintaining the seamless cross-modal reasoning that defines the GPT-4o family.
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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.
8 months newer
GPT-4o
OpenAI
2024-08-06
o3
OpenAI
2025-04-16
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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 16 common benchmarks
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GPT-4o
Average Score:45.9%
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o3
Average Score:73.5%(+27.5%)
Performance comparison across key benchmark categories
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GPT-4o
Coding33.2%
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o3
Coding69.1%(+35.9%)
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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: 99 tok/s
Latency: 0.53ms
OpenAI
Throughput: 132 tok/s
Latency: 0.5ms
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GPT-4o
Avg Score:45.9%
Providers:2
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o3
Avg Score:73.5%(+27.5%)
Providers:1