ModelCap
Current AI model comparison
Exact identities · public evidence
Anthropic
Claude Opus 5.5
Position
#1
Index
98.6
Measured
2 public benchmark observations across 2 boards
Comparison side 1
Ornith Ai
Ornith 1.5 397B
Position
#24
Index
79.4
Estimated
global-corpus-prior over 209 held-out anchors (10%); launch card against 2 resolved peers on 11 rows (90%); exceeds every named peer on 3 of 11 rows; optimism haircut 0 from cross-lab-probe; shrunk 2.5 toward the measured corpus
Comparison side 2
Output / 1M
$20.00
vs Unavailable
Context
1M
vs —
Weights
API only
vs Open weights