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GPT-4.5 vs GPT-4o
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 35.0% higher average benchmark score. GPT-4o is $212.50 cheaper per million tokens. Overall, GPT-4.5 is the stronger choice for coding tasks.
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OpenAI
GPT-4.5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.1% across 27 benchmarks. It excels particularly in GSM8k (97.0%), MMLU (90.8%), CharXiv-D (90.0%). It supports a 132K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
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OpenAI
GPT-4o is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 77.4% across 8 benchmarks. It excels particularly in MGSM (90.5%), HumanEval (90.2%), MMLU (88.7%). It supports a 132K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents OpenAI's latest advancement in AI technology.
9 months newer
GPT-4o
OpenAI
2024-05-13
GPT-4.5
OpenAI
2025-02-27
Pricing Comparison
Cost per million tokens (USD)
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GPT-4.5
Input:$75.00
Output:$150.00
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GPT-4o
Input:$2.50
Output:$10.00($212.50 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 31 common benchmarks
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GPT-4.5
Average Score:55.0%(+35.0%)
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GPT-4o
Average Score:20.0%
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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GPT-4o
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GPT-4.5
Avg Score:55.0%(+35.0%)
Providers:1
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GPT-4o
Avg Score:20.0%
Providers:2