OpenAI GPT-4.5 System Card
OpenAI has released a research preview of GPT-4.5, described as their largest and most knowledgeable model to date. The system card accompanies the model release, providing safety evaluations and capability documentation. This represents a significant step in OpenAI's model scaling trajectory between GPT-4 and any future GPT-5 release.
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GPT-5.5 System Card
OpenAI has published the system card for GPT-5.5, a new model in their GPT series. The system card documents safety evaluations, capability assessments, and deployment considerations for the model. As a tier 1 source announcement, this represents an official release document accompanying a new frontier model.
GPT-4o System Card
OpenAI published the system card for GPT-4o, its flagship multimodal model. The document covers safety evaluations, capability assessments, and risk mitigations conducted prior to deployment. It provides transparency into the model's performance across modalities including text, audio, and vision, as well as alignment and red-teaming findings.
OpenAI Releases GPT-5.2 System Card Update
OpenAI has published a system card update for GPT-5.2, the latest model family in the GPT-5 series. The safety mitigation approach is described as largely consistent with the prior GPT-5 and GPT-5.1 system cards. Training data sources follow the same pattern as other OpenAI models: publicly available internet data, third-party partnerships, and user/researcher-generated content.
GPT-5.5: The System Card — Commentary
Zvi Mowshowitz's commentary on OpenAI's announcement of GPT-5.5 and GPT-5.5-Pro, analyzing the associated system card. The piece is a tier-2 analytical response to a major model release. Full content appears truncated, but the item covers the safety and capability disclosures accompanying the new model family.
GPT-5.3 Instant System Card
OpenAI has published the system card for GPT-5.3 Instant, a new model in the GPT-5 family. The system card documents safety evaluations, capability assessments, and deployment considerations for this release. As a tier-1 source announcement with minimal body content, specific technical details are not available from this item alone.
GPT-5.5 Instant System Card
OpenAI has published a system card for GPT-5.5 Instant, a model in their GPT-5 family. The system card likely covers safety evaluations, capability assessments, and deployment considerations for this model. No body content was provided, limiting detailed analysis of the specific findings or model characteristics.
GPT-5 System Card
OpenAI has published the system card for GPT-5, revealing a unified model routing architecture that dynamically selects among multiple sub-models: gpt-5-main, gpt-5-thinking, and lightweight variants such as gpt-5-thinking-nano. The routing system is designed to balance speed and capability depending on task requirements and deployment context. This document provides the first official safety and capability disclosure for the GPT-5 model family.
GPT-4V(ision) System Card
OpenAI published the system card for GPT-4V(ision), the multimodal extension of GPT-4 that accepts image inputs alongside text. The document covers capability evaluations, safety assessments, and known limitations of the vision-enabled model. It represents OpenAI's formal safety and transparency disclosure accompanying the GPT-4V release.