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
GPT-5.4 Nano
Position
#45
Index
52.1
Measured
4 public benchmark observations across 4 boards
Comparison side 2
Output / 1M
$14.00
vs $1.25
Context
400K
vs 400K
Weights
API only
vs API only