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

GPT-5.2 Chat

Position

#9

Index

74.9

Measured

2 public benchmark observations across 2 boards

Comparison side 2

Output / 1M

$25.00

vs $14.00

Context

1M

vs 128K

Weights

API only

vs API only