ModelCap

Current AI model comparison

Exact identities · public evidence

Anthropic

Claude Fable 5.1

Position

#3

Index

86.0

Measured

4 public benchmark observations across 4 boards

Comparison side 1

Anthropic

Claude Opus 5.5

Position

#1

Index

87.7

Measured

4 public benchmark observations across 4 boards

Comparison side 2

Output / 1M

$50.00

vs $20.00

Context

1M

vs 1M

Weights

No linked weights

vs No linked weights