ModelCap
Current AI model comparison
Exact identities · public evidence
OpenAI
GPT-5.3-Codex
Position
#20
Index
66.4
Measured
1 public benchmark observation across 1 board
Comparison side 1
OpenAI
o3 Pro
Position
#53
Index
46.5
Measured
1 public benchmark observation across 1 board
Comparison side 2
Output / 1M
$14.00
vs $80.00
Context
400K
vs 200K
Weights
API only
vs API only