Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 45.2% higher average benchmark score. Claude Opus 4.1 offers 166.5K more tokens in context window than GPT-4. Both models have similar pricing. 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.
OpenAI
GPT-4 was created as a large multimodal model capable of accepting image and text inputs while producing text outputs. Developed to exhibit human-level performance on various professional and academic benchmarks, it marked a significant advancement in reliability, creativity, and handling of nuanced instructions compared to its predecessors.
2 years newer

GPT-4
OpenAI
2023-06-13

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

Claude Opus 4.1

GPT-4
Context window and performance specifications
Average performance across 1 common benchmarks

Claude Opus 4.1

GPT-4
GPT-4
2022-12-31
Available providers and their performance metrics

Claude Opus 4.1
Anthropic
Bedrock
ZeroEval

Claude Opus 4.1

GPT-4

Claude Opus 4.1

GPT-4

GPT-4
Azure
OpenAI