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

Claude 3 Opus
Anthropic
Claude 3 Opus is a multimodal language model developed by Anthropic. This model demonstrates exceptional performance with an average score of 81.6% across 11 benchmarks. It excels particularly in ARC-C (96.4%), HellaSwag (95.4%), GSM8k (95.0%). The model shows particular specialization in reasoning tasks with an average performance of 95.9%. 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.

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.

Claude 3 Opus
Anthropic
2024-02-29

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

Claude 3 Opus

Claude Sonnet 4.5
Performance Metrics
Context window and performance specifications

Claude 3 Opus

Claude Sonnet 4.5
Average performance across 20 common benchmarks

Claude 3 Opus

Claude Sonnet 4.5
Performance comparison across key benchmark categories

Claude 3 Opus

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

Claude 3 Opus
Bedrock
Anthropic

Claude Sonnet 4.5
Anthropic
ZeroEval

Claude 3 Opus

Claude Sonnet 4.5