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GPT-4.5 vs o1-preview
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 1.5% higher average benchmark score. o1-preview offers 28.7K more tokens in context window than GPT-4.5. o1-preview is $150.00 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-preview was introduced as an early version of OpenAI's reasoning model series, designed to demonstrate the potential of AI models that engage in extended thinking before responding. Built to solve complex problems through deliberate reasoning processes, it represented an initial step toward more thoughtful and analytical AI systems.
5 months newer
o1-preview
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-preview
Input:$15.00
Output:$60.00($150.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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GPT-4.5
Average Score:59.5%(+1.5%)
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o1-preview
Average Score:58.0%
Performance comparison across key benchmark categories
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GPT-4.5
Coding38.0%
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o1-preview
Coding41.3%(+3.3%)
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-preview
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GPT-4.5
Avg Score:59.5%(+1.5%)
Providers:1
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o1-preview
Avg Score:58.0%
Providers:2