GPT-5.5 Instant System Card Released
Key Points
- First High capability Instant model with enhanced safeguards
- Cybersecurity and biological/chemical preparedness protections
- Comprehensive safety mitigation framework
Summary
OpenAI has released the GPT-5.5 Instant System Card, documenting the safety approach for the latest Instant model variant. This is the first Instant model classified as High capability in Cybersecurity and Biological & Chemical Preparedness categories, with corresponding safeguards implemented.
Key Points
- GPT-5.5 Instant (gpt-5.5-instant) uses a comprehensive safety mitigation approach similar to previous models in the series
- First Instant model treated as High capability in Cybersecurity and Biological & Chemical Preparedness
- Baseline comparison is against GPT-5.3 Instant (note: no GPT-5.4 Instant model exists)
- GPT-5.5 referred to as GPT-5.5 Thinking to distinguish from the instant variant
- Full System Card documentation available for detailed safety specifications