Model Comparison
Comprehensive side-by-side analysis of model capabilities and performance

Claude Sonnet 4.5
Anthropic
Claude Sonnet 4.5 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 78.0% across 10 benchmarks. It excels particularly in Tau2 Telecom (98.0%), MMMLU (89.1%), AIME 2025 (87.0%). It supports a 264K 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 2025, it represents Anthropic's latest advancement in AI technology.

GPT-4o
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.

GPT-4o
OpenAI
2024-05-13

Claude Sonnet 4.5
Anthropic
2025-09-29
1 year newer
Pricing Comparison
Cost per million tokens (USD)

Claude Sonnet 4.5

GPT-4o
Performance Metrics
Context window and performance specifications

Claude Sonnet 4.5

GPT-4o
Average performance across 17 common benchmarks

Claude Sonnet 4.5

GPT-4o
Performance comparison across key benchmark categories

Claude Sonnet 4.5

GPT-4o
Claude Sonnet 4.5
2025-01-31
Provider Availability & Performance
Available providers and their performance metrics

Claude Sonnet 4.5
Anthropic
ZeroEval

GPT-4o
Azure
OpenAI

Claude Sonnet 4.5

GPT-4o