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Claude 3.5 Sonnet vs GPT-4.5
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 8.4% higher average benchmark score. Claude 3.5 Sonnet offers 267.9K more tokens in context window than GPT-4.5. Claude 3.5 Sonnet is $207.00 cheaper per million tokens. Claude 3.5 Sonnet is available on 3 providers. Overall, GPT-4.5 is the stronger choice for coding tasks.
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Anthropic
Claude 3.5 Sonnet is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 73.3% across 19 benchmarks. It excels particularly in GSM8k (96.4%), DocVQA (95.2%), AI2D (94.7%). It supports a 400K token context window for handling large documents. The model is available through 3 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents Anthropic'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.
4 months newer
Claude 3.5 Sonnet
Anthropic
2024-10-22
GPT-4.5
OpenAI
2025-02-27
Pricing Comparison
Cost per million tokens (USD)
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Claude 3.5 Sonnet
Input:$3.00
Output:$15.00($207.00 cheaper)
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GPT-4.5
Input:$75.00
Output:$150.00
Performance Metrics
Context window and performance specifications
Average performance across 37 common benchmarks
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Claude 3.5 Sonnet
Average Score:37.7%
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GPT-4.5
Average Score:46.1%(+8.4%)
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3.5 Sonnet
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.5 Sonnet
Avg Score:37.7%
Providers:3
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GPT-4.5
Avg Score:46.1%(+8.4%)
Providers:1