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GPT-4.5 vs o1-mini
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 3.6% higher average benchmark score. o1-mini offers 61.4K more tokens in context window than GPT-4.5. o1-mini is $210.00 cheaper per million tokens. GPT-4.5 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-4.5 was developed as an intermediate advancement between GPT-4 and GPT-5, designed to incorporate incremental improvements in reasoning, factuality, and instruction-following. Built to bridge generational capabilities while maintaining compatibility with existing applications, it represents a refinement of the GPT-4 architecture with enhanced performance characteristics.
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OpenAI
o1-mini was created as a faster, more cost-effective reasoning model, designed to bring extended thinking capabilities to applications with tighter latency and budget constraints. Built to excel particularly in coding and STEM reasoning while maintaining affordability, it provides a more accessible entry point to reasoning-enhanced AI assistance.
5 months newer
o1-mini
OpenAI
2024-09-12
GPT-4.5
OpenAI
2025-02-27
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Pricing Comparison
Cost per million tokens (USD)
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GPT-4.5
Input:$75.00
Output:$150.00
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o1-mini
Input:$3.00
Output:$12.00($210.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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GPT-4.5
Average Score:82.8%(+3.6%)
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o1-mini
Average Score:79.2%
Provider Availability & Performance
Available providers and their performance metrics
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GPT-4.5
1 providers
OpenAI
Throughput: 50 tok/s
Latency: 20ms
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o1-mini
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GPT-4.5
Avg Score:82.8%(+3.6%)
Providers:1
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o1-mini
Avg Score:79.2%
Providers:2