Real-Time Detection
Scan every LLM response for unsupported claims and fabricated facts as they stream in.
Know exactly when your AI is making things up.
HallucCheck is a real-time hallucination detection engine built for teams that ship AI-powered products. It detects, scores, and explains factual inaccuracies in LLM outputs — so you can trust every response before it reaches your users.
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Scan every LLM response for unsupported claims and fabricated facts as they stream in.
Every sentence gets a hallucination-risk score so you can triage and act fast.
Automatically link claims back to verified sources or flag when no evidence exists.
Works with OpenAI, Anthropic, Gemini, and open-source models via a single SDK.
Built by
Ship AI with Confidence.
SpanForge is the AI compliance platform for every team — from deciding whether to build, to proving compliance in production. Built around the T.R.U.S.T. Framework, it covers all five lifecycle phases: Discover, Design, Build, Govern, and Scale. HallucCheck is a SpanForge product — bringing hallucination detection into the Build phase as a first-class compliance gate.
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