ModelCap
Current AI model comparison
Exact identities · public evidence
Anthropic
Claude Fable 5.1
Position
#2
Index
84.1
Measured
2 public benchmark observations across 2 boards
Comparison side 1
Anthropic
Claude Opus 5
Position
#3
Index
83.6
Measured
6 public benchmark observations across 6 boards
Comparison side 2
Output / 1M
$50.00
vs $25.00
Context
1M
vs 1M
Weights
API only
vs API only