“GPT-5.5 Instant is our latest Instant model, and explained in our blog. The comprehensive safety mitigation approach for this model is similar to previous models in this series, but this is the first Instant model that we are treating as High capability in our Cybersecurity and Biological & Chemical Preparedness categories, and implementing appropriate safeguards.”
| Benchmark | Variant | Score |
|---|---|---|
| Biological Safety Evaluations | post-mitigation, instruction-tuned, synthetic_easy, not_unsafe | 99.5% |
| Biological Safety Evaluations | post-mitigation, instruction-tuned, synthetic_easy, not_unsafe | 99.3% |
| Biological Safety Evaluations | post-mitigation, instruction-tuned, synthetic_hard, not_unsafe | 94.9% |
| Biological Safety Evaluations | post-mitigation, instruction-tuned, synthetic_hard, not_unsafe | 92.3% |
Showing top 4 of 5. See full list below.
- “we have deployed our cybersecurity safeguards to mitigate potentially violative conversations, including automated monitors, actor level enforcement, and security controls.”
- “available on the internet, information that we partner with third parties to access, and information that our users or human trainers and researchers provide or generate.”
Every italicized passage is a verbatim substring of the source document (checked deterministically after extraction). Field selection is heuristic — some quotes may lack surrounding context and some claims may be absent if no matching pattern appeared. For citation, open the source: original model card · source SHA a753435f88e1 · version dated Aug 3, 2026.
Extracted Evaluations(5 results)
| Benchmark | Category | State | Score | Setup | Source |
|---|---|---|---|---|---|
Biological Safety Evaluations/ synthetic_easy | other | scored | 1.0 not unsafe | post-mitigationinstruction-tunedmissing: shot countmissing: language | self-reported |
Biological Safety Evaluations/ synthetic_easy | other | scored | 1.0 not unsafe | post-mitigationinstruction-tunedmissing: shot countmissing: language | self-reported |
Biological Safety Evaluations/ synthetic_hard | other | scored | 0.9 not unsafe | post-mitigationinstruction-tunedmissing: shot countmissing: language | self-reported |
Biological Safety Evaluations/ synthetic_hard | other | scored | 0.9 not unsafe | post-mitigationinstruction-tunedmissing: shot countmissing: language | self-reported |
AI Self-Improvement | other | mentioned | — | instruction-tunedmissing: shot countmissing: methodmissing: language | self-reported |