Comprehensive side-by-side LLM comparison
Claude 3 Opus leads with 3.4% higher average benchmark score. GPT-4.1 nano offers 680.3K more tokens in context window than Claude 3 Opus. GPT-4.1 nano is $89.50 cheaper per million tokens. Claude 3 Opus is available on 3 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude 3 Opus was developed as the most capable model in the Claude 3 family, designed to set new industry benchmarks across a wide range of cognitive tasks. Built to handle complex analysis and extended tasks requiring deep reasoning, it balanced frontier intelligence with careful safety considerations, representing the flagship tier of the Claude 3 generation.
OpenAI
GPT-4.1 Nano was developed as the smallest and most efficient variant in the GPT-4.1 family, designed for applications requiring minimal latency and resource usage. Built to enable AI capabilities on edge devices and resource-constrained environments, it distills GPT-4.1 capabilities into an ultra-compact form factor.
1 year newer

Claude 3 Opus
Anthropic
2024-02-29

GPT-4.1 nano
OpenAI
2025-04-14
Cost per million tokens (USD)

Claude 3 Opus

GPT-4.1 nano
Context window and performance specifications
Average performance across 2 common benchmarks

Claude 3 Opus

GPT-4.1 nano
GPT-4.1 nano
2024-05-31
Available providers and their performance metrics

Claude 3 Opus
Anthropic
Bedrock

Claude 3 Opus

GPT-4.1 nano

Claude 3 Opus

GPT-4.1 nano

GPT-4.1 nano
OpenAI