Comprehensive side-by-side LLM comparison
Claude 3.5 Sonnet leads with 21.7% higher average benchmark score. GPT-4.1 nano offers 680.3K more tokens in context window than Claude 3.5 Sonnet. GPT-4.1 nano is $17.50 cheaper per million tokens. Claude 3.5 Sonnet is available on 3 providers. Overall, Claude 3.5 Sonnet is the stronger choice for coding tasks.
Anthropic
This upgraded version of Claude 3.5 Sonnet was released with significant improvements in coding and agentic tool use. Built to deliver enhanced performance in software engineering tasks, it brought substantial gains in reasoning and problem-solving while introducing the groundbreaking computer use capability in public beta, allowing it to interact with computer interfaces like a human.
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.
5 months newer

Claude 3.5 Sonnet
Anthropic
2024-10-22

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

Claude 3.5 Sonnet

GPT-4.1 nano
Context window and performance specifications
Average performance across 6 common benchmarks

Claude 3.5 Sonnet

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

Claude 3.5 Sonnet
Anthropic
Bedrock

Claude 3.5 Sonnet

GPT-4.1 nano

Claude 3.5 Sonnet

GPT-4.1 nano

GPT-4.1 nano
OpenAI