# Tagged judge-model

> Announcements and real-world deployments of AI, checked against their sources and scored: open-weights releases, decision models in the wild, and what is actually in use.

- [IBM releases Granite Guardian 4.1 8B, a judge model for safety, RAG and agent checks](https://shipped.anth.us/decisions/ibm-granite-guardian-4-1-8b/index.md): Apache-2.0 judge on Granite 4.1 8B with a hybrid reasoning mode. Covers harm, groundedness and function-calling hallucination, plus custom criteria. (2026-04-16)
- [OpenAI releases gpt-oss-safeguard, open-weight safety reasoning models that read your policy](https://shipped.anth.us/decisions/openai-gpt-oss-safeguard/index.md): 20b and 120b Apache-2.0 models that classify text against a policy you supply at inference time, with configurable reasoning effort. (2025-10-29)
- [Skywork releases Reward-V2, eight reward models from 0.6B to 8B](https://shipped.anth.us/decisions/skywork-reward-v2/index.md): For context: Llama and Qwen3-based preference scorers trained on about 26 million pairs. The 8B card reports 96.4 on RewardBench v1. (2025-07-02)
