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
StepFun
Step 3.7 Flash
Position
#66
Index
39.6
Measured
1 public benchmark observation across 1 board
Comparison side 2
Output / 1M
$14.00
vs $1.15
Context
400K
vs 262K
Weights
API only
vs Open weights