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Lenz

Writing

Fact-checking API for AI-drafted text

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+ tax where applicable

What is Lenz?

Lenz checks factual claims in AI-written text against independent sources and returns verdicts with a citation trail. It offers an API, SDKs, MCP support and integrations with Google Docs, Claude and ChatGPT. It targets content, legal, tax and AI product teams.

Key facts

Category
Writing
Website
https://lenz.io/
Listing updated
Nov 13, 2026

Lenz FAQ

What is Lenz?

Lenz checks factual claims in AI-written text against independent sources and returns verdicts with a citation trail. It offers an API, SDKs, MCP support and integrations with Google Docs, Claude and ChatGPT. It targets content, legal, tax and AI product teams.

What are alternatives to Lenz?

Writing alternatives to Lenz include DeepL, Quillbot, Junia, Wordtune, TypeBoost and Remy AI.

Alternatives to Lenz

DeepLAI translation, writing and voice platformFree / $9 moQuillbotAn AI paraphrasing and summarization tool.Free / $10 moJuniaAI writing tool for SEO contentFree + $20/MonthWordtuneA reading and writing companion that improves phrasing.Free / $10 moTypeBoostYour personal AI writing toolkit inside any app.$10 moRemy AIThe 24/7 intelligent assistant for real estate agentsFreemium

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