Upgrading the Moderation API with OpenAI's new multimodal moderation model

Upgrading the Moderation API with our new multimodal moderation model

OpenAI released omni-moderation-latest on September 26, 2024, a GPT-4o-based Moderation API model for text and image inputs that is free for all developers. It adds illicit and illicit/violent text categories, supports image moderation in 6 subcategories, and improves 42% on an internal 40-language eval, with gains in 98% of languages tested.

Why it matters: Official OpenAI developer product update with strong HKR-K: new moderation classes, image coverage, and a concrete +42% result across 40 languages. HKR-R also lands because moderation and compliance affect shipping teams directly; HKR-H is weak, so this sits at the low end of the