Lab system cards and frameworks · System card · OpenAI

GPT-5.3 Instant System Card

2 Mar 2026

Outline · 33 paragraphs

GPT-5.3 Instant System Card¶2
1. Introduction¶3
2. Model Data and Training¶6
3. Safety¶11
3.1 Disallowed Content¶12
Table 1: Production Benchmarks (higher is better)¶16
Table 2: Dynamic Mental Health Evaluations¶20
4. Health Performance¶23
4.1 HealthBench¶24
Table 3: HealthBench¶26
5. References¶30

How to cite

A citation names the document, the version and the place.

openai:gpt-5-3-instant/r1/b1

https://safetypage.noahairmet.com/d/openai/gpt-5-3-instant/r1/b1

BibTeX

@misc{openai2026,
  title = {GPT-5.3 Instant System Card},
  author = {{OpenAI}},
  year = {2026},
  url = {https://deploymentsafety.openai.com/gpt-5-3-instant}
}

Versions

Version	Published	Read
r1 latest	2 Mar 2026	At source

Licence

So you: Search it, cite it and check quotes here; read it at its source
Evidence: Read by hand: https://deploymentsafety.openai.com/ — footer "OpenAI © 2015–2026"; terms at https://openai.com/policies/terms-of-use/; no open licence.
Read at: deploymentsafety.openai.com/gpt-5-3-instant, 10 Nov 2026