GPT-5.3 Chat
byOpenAI
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...
Specifications
Technical details and pricing.
Benchmarks
10 benchmark scores from Artificial Analysis.
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Frequently Asked Questions
What is GPT-5.3 Chat good for?
Use GPT-5.3 Chat for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does GPT-5.3 Chat cost?
Pricing is based on usage. Current rates are $1.25/1M tokens for input and $10.00/1M tokens for output.
Can I try GPT-5.3 Chat for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does GPT-5.3 Chat support images or audio?
GPT-5.3 Chat can understand images.
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Benchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.