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GPT-5.3 Instant

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GPT-5.3 Instant

gpt-5.3-chat-latest

Developer

Status

Released

Deprecated

Retired

Details

Context: 128,000 tokens
Max output: 16,384 tokens
Knowledge cutoff: 2025-08-31
Inputs: Text, Image
Outputs: Text
Price: $1.75 in / $14 out
Tool use: Yes

Links

ChatGPT/Instant models

GPT-5.1 Instant

GPT-5.3 Instant

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GPT-5.3 Instant is a large language model by OpenAI.