OpenAI: GPT-5.3 Chat API Pricing
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...
Input / 1M tokens
$1.75
Output / 1M tokens
$14.00
Cost per request (1K in / 500 out)
$0.0088
~$8.75 per 1M tokens mixed
Specifications
Context Window 128K tokens
Max Output Tokens 16,384
Vision Support Yes
Function Calling No
Streaming Yes
Modality multimodal
Release Date 2026-03-03
Price history will appear here after the first price change is detected.
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