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GPT-5 vs o4 mini
Comprehensive side-by-side LLM comparison
GPT-5 leads with 28.0% higher average benchmark score. GPT-5 offers 132.8K more tokens in context window than o4 mini. o4 mini is $144.50 cheaper per million tokens. Overall, GPT-5 is the stronger choice for coding tasks.
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OpenAI
GPT-5, released by OpenAI on August 7, 2025, is a large language model that combines direct generation and extended reasoning in a single unified system with a built-in routing mechanism. It features a 400K token context window, 128K maximum output tokens, native multimodal support (text, image, audio, video), and demonstrated strong results across coding, mathematics, visual understanding, and health benchmarks at release. GPT-5 targets complex multi-step tasks including advanced coding, mathematical problem solving, and long-context analysis.
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OpenAI
OpenAI o4 mini, released by OpenAI in April 2025, is a compact reasoning model from the o4 family that combines multimodal understanding with efficient chain-of-thought processing. It features a 200K token context window and native image understanding, with strong performance on mathematics and coding benchmarks relative to its inference cost. o4 mini targets cost-sensitive applications requiring both visual reasoning and mathematical accuracy.
3 months newer
o4 mini
OpenAI
2025-04-16
GPT-5
OpenAI
2025-08-07
Pricing Comparison
Cost per million tokens (USD)
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GPT-5
Input:$30.00
Output:$120.00
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o4 mini
Input:$1.10
Output:$4.40($144.50 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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GPT-5
Average Score:47.7%(+28.0%)
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o4 mini
Average Score:19.8%
Performance comparison across key benchmark categories
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GPT-5
Agents45.0%(+16.5%)
Reasoning25.3%(+11.0%)
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o4 mini
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Knowledge Cutoff
Training data recency comparison
GPT-5
2025-05
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-5
1 providers
OpenAI
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o4 mini
1 providers
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GPT-5
Avg Score:47.7%(+28.0%)
Providers:1
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o4 mini
Avg Score:19.8%
Providers:1