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GPT-4 Turbo vs GPT-4.5
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 41.2% higher average benchmark score. GPT-4 Turbo is $185.00 cheaper per million tokens. GPT-4.5 supports multimodal inputs. Overall, GPT-4.5 is the stronger choice for coding tasks.
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OpenAI
GPT-4 Turbo is a language model developed by OpenAI. It achieves strong performance with an average score of 78.1% across 6 benchmarks. It excels particularly in MGSM (88.5%), HumanEval (87.1%), MMLU (86.5%). It supports a 132K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.
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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.
10 months newer
GPT-4 Turbo
OpenAI
2024-04-09
GPT-4.5
OpenAI
2025-02-27
Pricing Comparison
Cost per million tokens (USD)
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GPT-4 Turbo
Input:$10.00
Output:$30.00($185.00 cheaper)
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GPT-4.5
Input:$75.00
Output:$150.00
Performance Metrics
Context window and performance specifications
Average performance across 30 common benchmarks
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GPT-4 Turbo
Average Score:15.6%
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GPT-4.5
Average Score:56.8%(+41.2%)
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Knowledge Cutoff
Training data recency comparison
GPT-4 Turbo
2023-12-31
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-4 Turbo
2 providers
Azure
Throughput: 97 tok/s
Latency: 0.6ms
OpenAI
Throughput: 100 tok/s
Latency: 0.5ms
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GPT-4 Turbo
Avg Score:15.6%
Providers:2
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GPT-4.5
Avg Score:56.8%(+41.2%)
Providers:1