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Claude Sonnet 4 vs GPT-4o
Comprehensive side-by-side LLM comparison
GPT-4o leads with 36.7% higher average benchmark score. Claude Sonnet 4 offers 183.6K more tokens in context window than GPT-4o. GPT-4o is $5.50 cheaper per million tokens. Claude Sonnet 4 is available on 4 providers. Overall, GPT-4o is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 69.4% across 8 benchmarks. It excels particularly in MMMLU (86.5%), TAU-bench Retail (80.5%), GPQA (75.4%). It supports a 328K token context window for handling large documents. The model is available through 4 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic's latest advancement in AI technology.
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OpenAI
GPT-4o is a multimodal language model developed by OpenAI. The model shows competitive results across 39 benchmarks. It excels particularly in AI2D (94.2%), DocVQA (92.8%), ChartQA (85.7%). It supports a 144K 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
2024-08-06
Claude Sonnet 4
Anthropic
2025-05-22
Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4
Input:$3.00
Output:$15.00
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GPT-4o
Input:$2.50
Output:$10.00($5.50 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 41 common benchmarks
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Claude Sonnet 4
Average Score:13.5%
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GPT-4o
Average Score:50.2%(+36.7%)
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4
4 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Sonnet 4
Avg Score:13.5%
Providers:4
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GPT-4o
Avg Score:50.2%(+36.7%)
Providers:2