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gpt-5.3-chat
Detailed information about gpt-5.3-chat AI model
At a glance
Modalities
Context window
128,000
Pricing
$1.75$14.00
Capabilities
Tool Calling
Connect the model to external tools and systems.
Structured outputs
Return responses in a specific, organized format.
Reasoning
The model thinks before responding.
Pricing Details
Input
Tokens
$1.75/1M tokens
Cache read
$0.17/1M tokens
Output
Tokens
$14.00/1M tokens
Other Costs
Web search
$0.1
Model Owner
Available Providers
OpenRouter
openrouter/gpt-5.3-chat
Released on 3/3/2026
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