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model profile

Excellent

GPT-5.3-Codex

OpenAI·gpt-5-3-codex

Rank · overall#53

Score64.6

Benchmark scores

3 benchmarks

SWE-bench Verified75.2%

% Resolved · 2026-02-05

WebDev Arena1409WebDev Elo · ± 14

BrowseComp77.3%

Accuracy

Across harnesses

0 agents

This model appears only in model-level benchmarks — no harness ran it directly.

Scraped and aggregated from public leaderboards · 2026-07-27