ModelCap

Current AI model comparison

Exact identities · public evidence

OpenAI

GPT-5.5 Pro

Position

#51

Index

59.3

Measured

publisher-corpus-prior over 183 held-out anchors (59%); 1 specialist-board observation at 2.1% support (41%); shrunk 14.4 toward the measured corpus

Comparison side 1

OpenAI

GPT-6 Astra

Position

#1

Index

93.7

Measured

4 public benchmark observations across 4 boards

Comparison side 2

Output / 1M

$180

vs $50.00

Context

1M

vs 1M

Weights

API only

vs API only