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
Thinking Machines
Inkling
Position
#24
Index
63.9
Measured
5 public benchmark observations across 5 boards
Comparison side 2
Output / 1M
$14.00
vs $4.05
Context
400K
vs 1M
Weights
API only
vs Open weights