ModelCap
Current AI model comparison
Exact identities · public evidence
Anthropic
Claude Opus 5
Position
#2
Index
83.0
Measured
6 public benchmark observations across 6 boards
Comparison side 1
OpenAI
o3
Position
#37
Index
55.1
Measured
4 public benchmark observations across 4 boards
Comparison side 2
Output / 1M
$25.00
vs $8.00
Context
1M
vs 200K
Weights
API only
vs API only