ModelCap

Current AI model comparison

Exact identities · public evidence

OpenAI

GPT-5.5 Pro

Position

#59

Index

64.3

Measured

publisher-corpus-prior over 208 held-out anchors (59%); 1 specialist-board observation at 2.1% support (41%); shrunk 10.1 toward the measured corpus

Comparison side 1

OpenAI

o4 Mini

Position

#106

Index

51.6

Measured

3 public benchmark observations across 3 boards

Comparison side 2

Output / 1M

$180

vs $4.40

Context

1M

vs 200K

Weights

API only

vs API only