‹ PublicAI Index
The LLM benchmark aggregator.
GPT-5.2 Pro
OpenAI
Strongest in Reasoning (#46 of 143, on 2 of its 3 boards), weakest in Reasoning (#69 of 189). Above par in 2 of 2 scopes. Among the models it meets almost everywhere, it finishes behind Claude Opus 5.5 and Claude Fable 5.1 and ahead of Grok 4 Fast and Gemini 2.5 Pro.
§ 1 · Profile
What it is good at
Bars run from 50 — the average of the models each source lists — so right of the line is above par. The middle column is the gap to whoever leads that scope.
Reasoning52.8−12#69/1892/5
Reasoning54−12.7#46/1432/3
§ 2 · Head to head
What it beats, and what beats it
The same models turn up scope after scope. Counted once: where both were placed, who finished higher. Bars run right for GPT-5.2 Pro, left for the other.
§ 3 · Sources
Where the numbers come from
2 publications, 2 figures. Every one links to the page it was read from.
ARC-AGI-2 54.2%
SimpleBench 57.4%
Badge
[](https://publicai.io/model-index/m/gpt-5-2-pro)