Comparison
Compare AI models, head to head
Pick two models and see price, intelligence, coding, and speed side by side. Live data from the open catalog and Artificial Analysis.
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) is 11% cheaper. Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) scores 5 points higher on intelligence.
Metric
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)Anthropic
GPT-5.5 (xhigh)OpenAI
IntelligenceArtificial Analysis index
60 ✓
55
CodingArtificial Analysis coding index
77 ✓
75
Input price / 1M
$5.00
$5.00
Output price / 1M
$25.00 ✓
$30.00
Blended price / 1M3:1 input-to-output
$10.00 ✓
$11.25
Output speed (tok/s)median
53.7
66.5 ✓
Time to first token (s)median
24.63 ✓
79.86
Quality and speed from Artificial Analysis; prices blended 3:1. Free to use and cite under CC BY 4.0.
Know which model to use? Track what it costs you.
Free, across every model and platform.