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Lenz
Independent, multi-model fact-checking API for AI workflows
359 followers
Independent, multi-model fact-checking API for AI workflows
359 followers
Lenz is an AI fact-checking API for products that cannot afford to hallucinate. It extracts verifiable claims from any text, then checks each one: searching independent sources, running multi-model debate, and routing through a review panel — returning a scored verdict with every source, argument, and step visible. Most AI tools give you one model's best guess from memory. Lenz ensures no single model's blind spots drive the conclusion. Available as API and MCP. Try it free at lenz.io/ph
This is the 2nd launch from Lenz. View more
Lenz
Launched this week
Lenz is an AI fact-checking API for products that cannot afford to hallucinate. It extracts verifiable claims from any text, then checks each one: searching independent sources, running multi-model debate, and routing through a review panel — returning a scored verdict with every source, argument, and step visible. Most AI tools give you one model's best guess from memory. Lenz ensures no single model's blind spots drive the conclusion. Available as API and MCP. Try it free at lenz.io/ph
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Launch tags:Artificial Intelligence
Launch Team / Built With
Lenz
@solozero, this is how the validation itself works at a high level: lenz.io/how-it-works
Beyond the verdict, we provide full analysis details (sources, citations, reasoning, etc.), so you can verify the verification. Happy to share more details if you are interested.
Lenz
Hi, Vicky here 👋 the non-tech co-founder of Lenz
AI has genuinely changed what I can do on my own (from ops to marketing to building alongside an engineering team without being one). I’m one of those people it has really opened doors for.
But there’s another side to this. More and more companies rely on AI to produce the actual content their customers see: reports, articles, recommendations, research, support replies, ... And "someone will check it before it goes out" stops working at scale.
That’s the part of Lenz that really resonates with me. For editorial and production teams, that means letting verified claims through, sending uncertain ones for human review, and keeping the sources behind every decision.
AI will let us produce vastly more. Verification has to scale with it.
Very excited to have Lenz out here today and would love to hear your use cases.
@vicky_dodeva nice launch congrats🙌i think this will solve a massive bottleneck in automated research in agents
Lenz
@priya_kushwaha1 thanks Priya! This is exactly where we think verification will be critical. Appreciate the support!
Lenz
Thanks a lot @atul15
Congrats on the Launch @kostaj This hits close to me, spent Years in Security Testing and the same problem shows up there: one Models blind spot becomes everyones blind spot if you don't cross check.
Lenz
@bdennis11907 Very much our experience too. Even just organizing an adversarial debate with the same model still helps reduce blind spots somewhat.
Congrats on launch number two. Publishing the data and prompts for anyone to pick apart is a good look.
Lenz
Thanks, @lucasjpols. Yes, we try to be as transparent as possible about our research and publish everything, including the code: https://github.com/lenzhq/lenz-research. The repo also includes the input data and the results from our runs.
Lancepilot
Congrats team..idea of having a jury review the evidence is quite interesting.
Lenz
Thanks, @istiakahmad! Most of the standalone ideas implemented in Lenz (the jury review, the adversarial debate, the separate research step, the use of different models, the preliminary framing step, etc.) are well-researched and known to improve accuracy. We tested and fine-tuned a specific ensemble and packaged it as an easy-to-use API so everyone can use it when verification matters.
Macaly
fact checking as an api is underrated 🔍 media or legal buying first?
Lenz
@petrkovacik, indeed! Using a deep fact-checking layer makes the most sense when reputational, legal, or financial risk is involved. So yes - media, legal, finance, healthcare.
EverTutor AI
Love the idea and positioning! Excited to see where it goes huge congrats on the launch
Lenz
@suryansh_tiwari2 Thanks!