GPT-5.3 Instant System Card
GPT-5.3 Instant System Card
AI summary
OpenAI released the System Card for GPT-5.3 Instant, the latest member of the GPT-5 series, with safety mitigations largely consistent with GPT-5.2 Instant. The document says it responds faster and, when browsing the web, gives richer, more contextually relevant answers while reducing unnecessary dead ends, disclaimers, and overly assertive wording. The System Card also refers to it as gpt-5.3-instant.
Why it was selected
The System Card shows GPT-5.3 Instant's safety mitigations largely follow GPT-5.2 Instant, making it easy to compare safety handling differences between the two model generations.