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

Claude 3.5 Sonnet
Anthropic
Claude 3.5 Sonnet is a multimodal language model developed by Anthropic. This model demonstrates exceptional performance with an average score of 84.1% across 9 benchmarks. It excels particularly in GSM8k (96.4%), BIG-Bench Hard (93.1%), HumanEval (92.0%). It supports a 400K 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 Anthropic's latest advancement in AI technology.

GPT-4.5
OpenAI
GPT-4.5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 64.1% across 26 benchmarks. It excels particularly in GSM8k (97.0%), MMLU (90.8%), CharXiv-D (90.0%). The model shows particular specialization in code tasks with an average performance of 88.1%. 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.

Claude 3.5 Sonnet
Anthropic
2024-06-21

GPT-4.5
OpenAI
2025-02-27
8 months newer
Pricing Comparison
Cost per million tokens (USD)

Claude 3.5 Sonnet

GPT-4.5
Performance Metrics
Context window and performance specifications

Claude 3.5 Sonnet

GPT-4.5
Average performance across 4 common benchmarks

Claude 3.5 Sonnet

GPT-4.5
Performance comparison across key benchmark categories

Claude 3.5 Sonnet

GPT-4.5
Provider Availability & Performance
Available providers and their performance metrics

Claude 3.5 Sonnet
Bedrock

GPT-4.5
OpenAI

Claude 3.5 Sonnet

GPT-4.5