Backplain is an AI platform to independently control AI models, including Large Language Models (LLMs), across an entire organization. Multi-model aggregation of LLMs, both public and private, in a single, simple interface provides the best response, protection from outage, and avoids model lock-in. Monitoring, filtering, and reporting provides AI Trust, Risk, and Security Management (AI TRiSM). Prompt assist, multi-response comparison, and Human-in-the-Loop (HITL) sharing builds better questions, identifies hallucinations, and audits content to drive Productivity gains.