‹ PublicAI Index
The LLM benchmark aggregator.
GPT-5.3 Chat
OpenAI
Strongest in Human preference (#66 of 346), weakest in Human preference (#66 of 346). Above par in 2 of 2 scopes. Among the models it meets almost everywhere, it finishes behind Gemini 4 Argon and Muse Wonder and ahead of Mimo V2 Pro and GPT-5.4 Mini.
§ 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.
Human preference61.6−7#66/3461/1
Human preference61.6−7#66/3461/1
§ 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-5.3 Chat, left for the other.
§ 3 · Sources
Where the numbers come from
1 publication, 1 figures. Every one links to the page it was read from.
LMArena Text 1450
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[](https://publicai.io/model-index/m/gpt-5-3-chat)