ModelCap

Current AI model comparison

Exact identities · public evidence

OpenAI

GPT-5.4 Nano

Position

#81

Index

57.3

Measured

4 public benchmark observations across 4 boards

Comparison side 1

OpenAI

GPT-5.5 Pro

Position

#59

Index

64.3

Measured

publisher-corpus-prior over 209 held-out anchors (59%); 1 specialist-board observation at 2.1% support (41%); shrunk 10.1 toward the measured corpus

Comparison side 2

Output / 1M

$1.25

vs $180

Context

400K

vs 1M

Weights

API only

vs API only