Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 34.0% higher average benchmark score. Nova Pro offers 368.0K more tokens in context window than Claude Opus 4.1. Nova Pro is $86.00 cheaper per million tokens. Claude Opus 4.1 is available on 4 providers. Overall, Claude Opus 4.1 is the stronger choice for coding tasks.
Anthropic
Claude Opus 4.1 represents an iteration within the Claude 4 Opus line, built to deliver refined performance in complex reasoning and analysis tasks. Developed as part of Anthropic's flagship tier, it incorporates improvements to the foundational capabilities that define the Opus family of models.
Amazon
Amazon Nova Pro was developed as the flagship model in the Nova family, designed to provide advanced multimodal understanding across text, images, and other modalities. Built to handle complex tasks requiring sophisticated reasoning, it represents Amazon's most capable offering for enterprise applications.
8 months newer

Nova Pro
Amazon
2024-11-20

Claude Opus 4.1
Anthropic
2025-08-05
Cost per million tokens (USD)

Claude Opus 4.1

Nova Pro
Context window and performance specifications
Average performance across 1 common benchmarks

Claude Opus 4.1

Nova Pro
Available providers and their performance metrics

Claude Opus 4.1
Anthropic
Bedrock
ZeroEval

Claude Opus 4.1

Nova Pro

Claude Opus 4.1

Nova Pro

Nova Pro
Bedrock