Codesota · Models · GPT 5.3 CodexOpenAI4 results · 1 benchmarks
Model card

GPT 5.3 Codex.

OpenAIapi
§ 01 · Benchmarks

Every benchmark GPT 5.3 Codex has a recorded score for.

#BenchmarkArea · TaskMetricValueRankDateSource
01React Native EvalsMobile Development · React Native Code Generationnavigation-satisfaction95.6%#2/10—source ↗
02React Native EvalsMobile Development · React Native Code Generationasync-state-satisfaction85.3%#3/10—source ↗
03React Native EvalsMobile Development · React Native Code Generationrequirement-satisfaction80.9%#4/10—source ↗
04React Native EvalsMobile Development · React Native Code Generationanimation-satisfaction63.2%#7/10—source ↗
Rank column shows this model’s position vs all other models scored on the same benchmark + metric (competitors after the slash). #1 in red means current SOTA. Sorted by rank, then newest result.
§ 02 · Strengths by area

Where GPT 5.3 Codex actually performs.

Mobile Development
1
benchmark
avg rank #4.0
§ 04 · Related models

Other OpenAI models scored on Codesota.

GPT-4o
Undisclosed params · 35 results · 9 SOTA
o3
16 results · 5 SOTA
o4-mini
13 results · 3 SOTA
o3 (high)
2 results · 1 SOTA
o4-mini (high)
1 result · 1 SOTA
o1
11 results
GPT-5
8 results
o1-preview
Undisclosed params · 8 results
§ 05 · Sources & freshness

Where these numbers come from.

Callstack Incubator
4
results
4 of 4 rows marked verified.