GPT 5.3 Codex
LatestOpenAI
•
Proprietary# 22
Released
Feb 5, 2026
Benchmarks
# 23
Code RankedAGI
74.6%
# 8
SWEBench Pro
56.8%
# 3
Terminal Bench 2.0
77.3%
# 13
Agentic RankedAGI
71.7%
# 21
Code Arena
1407
# 8
Code Livebench
78.2%
# 3
AgenticCode LiveBench
63.7%
# 10
OSWorld Verified
64.7%
# 4
Svelte Bench
96.7%
# 13
Reason RankedAGI
73.7%
# 7
Vending Bench 2
$5,940.12
# 53
Math RankedAGI
70.2%
# 18
RAGI RankedAGI
66.3%
# 11
GDPval AA
1480
# 28
Code DesignArena
1210
# 4
Toolathlon Pass@1
51.9%
Additional Details
Links
Last Updated
8 days ago