Comprehensive side-by-side LLM comparison
GPT-4o leads with 2.5% higher average benchmark score. Claude Opus 4.1 offers 99.9K more tokens in context window than GPT-4o. GPT-4o is $77.50 cheaper per million tokens. Claude Opus 4.1 is available on 4 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude Opus 4.1 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 72.7% across 8 benchmarks. It excels particularly in MMMLU (89.5%), TAU-bench Retail (82.4%), GPQA (80.9%). It supports a 232K 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.
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.
1 year newer
GPT-4o
OpenAI
2024-05-13
Claude Opus 4.1
Anthropic
2025-08-05
Cost per million tokens (USD)
Claude Opus 4.1
GPT-4o
Context window and performance specifications
Average performance across 15 common benchmarks
Claude Opus 4.1
GPT-4o
Available providers and their performance metrics
Claude Opus 4.1
Anthropic
Bedrock
ZeroEval
Claude Opus 4.1
GPT-4o
Claude Opus 4.1
GPT-4o
GPT-4o
Azure
OpenAI