Anthropicactive
Claude 4.5 Opus
Released at: July 22, 2025
API StatusAvailable for integration
Context Window200,000 tokens
Input Price / MTok$5.00
Output Price / MTok$25.00
Model Overview
Anthropic's flagship model from the 4.5 generation, delivering exceptional reasoning and complex problem-solving at the frontier of AI capabilities.
Vetted Benchmarks
mmluScore: 92.8% (Ranked top 17%)
mathScore: 87.5% (Ranked top 36%)
gpqaScore: 76% (Ranked top 31%)
humanevalScore: 94.2% (Ranked top 26%)
mt_benchScore: 9.55% (Ranked top 19%)
hellaswagScore: 97.2% (Ranked top 30%)
Input Price TrendLast 90 Days
Output Price TrendLast 90 Days
How does this model compare?
Evaluate benchmark standing and performance rankings vs all other tracked models.