ModelCap

Current AI model comparison

Exact identities · public evidence

Anthropic

Claude Fable 5

Position

#1

Index

84.2

Measured

7 public benchmark observations across 7 boards

Comparison side 1

OpenAI

GPT-5.3-Codex

Position

#20

Index

66.4

Measured

1 public benchmark observation across 1 board

Comparison side 2

Output / 1M

$50.00

vs $14.00

Context

1M

vs 400K

Weights

API only

vs API only