GPT‑5.3‑Codex
LatestOpenAI
•
Proprietary# 5
Released
Feb 5, 2026
Benchmarks
# 50
Code RankedAGI
56.8%
# 4
SWEBench Pro
56.8%
# 2
Terminal Bench 2.0
77.3%
# 2
Svelte Bench
96.7%
Additional Details
Links
Last Updated
about 2 hours ago
OpenAI
•
ProprietaryFeb 5, 2026
56.8%
56.8%
77.3%
96.7%
about 2 hours ago