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GPT-5.3 Chat

Multimodalby OpenAI·Model page

OpenAI's GPT-5.3 chat model with a 128K-token context for multimodal text, image, and file conversations.

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GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers more accurate answers with better contextualization and significantly...

Author
O
OpenAI
Organization · ✓
openai
Details
Downloads
Likes
AccessClosed Source
Context128K tokens
Input price$1.75 /1M
Output price$14 /1M
CreatedMar 3, 2026
Updated
View on Hugging Face
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GPT-5.3 Chat — AI Model Details | Applied