GPT 5.3 Codex
LatestOpenAI
•
Proprietary# 36
Released
Feb 5, 2026
Benchmarks
# 27
Code RankedAGI
72.4%
# 16
SWEBench Pro
56.8%
# 3
Terminal Bench 2.0
77.3%
# 29
Agentic RankedAGI
68.9%
# 24
Code Arena
1407
# 8
Code Livebench
78.2%
# 3
AgenticCode LiveBench
63.7%
# 15
OSWorld Verified
64.7%
# 4
Svelte Bench
96.7%
# 23
Reason RankedAGI
73.3%
# 7
Vending Bench 2
$5,940.12
# 54
Math RankedAGI
71.0%
# 28
RAGI RankedAGI
65.2%
# 15
GDPval AA
1480
# 39
Code DesignArena
1195
# 8
Toolathlon Pass@1
51.9%
Additional Details
Links
Last Updated
about 3 months ago