Lenz
Summary
Lenz is an independent, multi-model fact-checking API designed for AI workflows.
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Built an open-source fact-checker for AI agents, it won't let a claim through unless it can actually back it up
Built an open-source fact-checker for AI agents that verifies claims by fetching real-time sources and providing truth and confidence scores, useful for both public and internal documents.
Lium AI
Lium AI is an AI tool designed to handle complex data, as featured on ProductHunt.
I run an AI-based fact-checking platform and I refuse to let the LLM produce the verdict. Here's why.
The author details their decision to exclude LLMs from generating final fact-check verdicts in favor of a hybrid architecture that uses LLMs for data extraction and a deterministic Python layer for scoring, citing issues with stochastic instability and auditability.
Hetzner is working on LLM Inference
Hetzner has launched an experimental LLM inference API service, offering an OpenAI-compatible endpoint with the Qwen3.6-35B-A3B-FP8 model. The service is free during the experiment period, has no SLA, and is intended to gather user feedback.
EditLens: Quantifying the extent of AI editing in text (2025)
EditLens is a regression model that quantifies the extent of AI editing in text, achieving state-of-the-art performance on binary and ternary classification tasks distinguishing human, AI, and mixed writing. It addresses the gap in detecting AI-edited rather than fully AI-generated text, with implications for authorship attribution, education, and policy.