OpenAI

gpt-5.3-chat

Closed Source

Proprietary · 128K context window

Quick info

Provider: OpenAI
License: Proprietary
Context window: 128K
Task type: text-generation
LM Arena votes: 32,748

Official website

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Description

A description for this model isn't available yet.

LM Arena benchmarks

Board	Score
Text	1,449

Pricing (per 1M tokens)

Input price: $1.75/1M
Output price: $14/1M