ModelCap

Current AI model comparison

Exact identities · public evidence

Anthropic

Claude Opus 5.5

Position

#1

Index

98.6

Measured

2 public benchmark observations across 2 boards

Comparison side 1

Z.ai

GLM 5.3 Flash

Position

#14

Index

81.9

Measured

4 public benchmark observations across 4 boards

Comparison side 2

Output / 1M

$20.00

vs $0.50

Context

1M

vs 1.3M

Weights

API only

vs Open weights