Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 31.6% higher average benchmark score. Claude Opus 4 offers 195.9K more tokens in context window than GPT-4 Turbo. GPT-4 Turbo is $50.00 cheaper per million tokens. Claude Opus 4 supports multimodal inputs. Claude Opus 4 is available on 4 providers. Overall, Claude Opus 4 is the stronger choice for coding tasks.
Anthropic
Claude Opus 4 was developed as the flagship model in the Claude 4 generation, designed to push the boundaries of AI capability in complex reasoning, analysis, and multi-step problem-solving. Built to handle the most demanding enterprise tasks, it represents Anthropic's highest tier of intelligence and capability.
OpenAI
GPT-4 Turbo was introduced as an optimized version of GPT-4, designed to provide enhanced performance with improved efficiency and an expanded context window. Built with updated knowledge and refined capabilities, it offered developers a more cost-effective way to leverage GPT-4's advanced reasoning while handling longer conversations and documents.
1 year newer

GPT-4 Turbo
OpenAI
2024-04-09

Claude Opus 4
Anthropic
2025-05-22
Cost per million tokens (USD)

Claude Opus 4

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

Claude Opus 4

GPT-4 Turbo
GPT-4 Turbo
2023-12-31
Available providers and their performance metrics

Claude Opus 4
Anthropic
Bedrock
ZeroEval

Claude Opus 4

GPT-4 Turbo

Claude Opus 4

GPT-4 Turbo

GPT-4 Turbo
Azure
OpenAI