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About

Ithy — I Think Why — turns research questions into articles with sources. Fast Research provides focused answers. Deep Research preserves separate AI researcher perspectives and combines findings into a final article. Users can inspect source links and passages, save a library, organize folders and download HTML. Pictures, video, charts and maps depend on the question, evidence and settings. New answers start private; link sharing and public search publication are separate choices. Free access is available. Pro costs $20/month or $120/year, billed annually, with 1,000 answers/month under current allowances. Ithy runs in desktop and mobile browsers. Founded by Winson Luk in November 2024. AI answers can contain errors; check important claims and original sources.

About

Lenz is an audit-grade fact-checking API for AI-drafted text, built for teams that need to check factual claims before customers or clients see them. It reads a draft, memo, model answer, or page of copy, extracts the factual statements that can be checked against independent public sources, and returns a result for each. Its workflow follows four API primitives: extract verifiable claims, assess them in bulk with a fast multi-model verdict, escalate uncertain statements to a full verification, and ask follow-up questions grounded in the verification. Full verification runs through a structured five-stage pipeline of framing, research, debate, panel review, and conclusion. Lenz searches public sources, scores evidence for authority, relevance, and recency, has models from multiple vendors argue both sides of a claim, and returns a verdict, confidence score, cited sources, and reasoning trace that users can audit.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Researchers, students, writers and professionals who need source-linked research articles, independent AI perspectives and a saved research library.

Audience

AI product teams, developers, editors, and researchers wanting to verify factual claims in AI- or human-written text against independent public sources before publication or delivery

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$0
Free access is available. Optional Pro: $20 per month or $120 per year, billed annually, with 1,000 answers per month under current allowances. Individual accounts; current access and renewal terms are shown on the official pricing page.
Free Version Supported
Free Trial Not Supported

Pricing

$7.99 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Ithy
Founded: 2024
United States
ithy.com

Company Information

Lenz
Founded: 2026
Bulgaria
lenz.io

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Categories

AI Tools Supported

Categories

AI Fact-Checking Supported

Integrations

ChatGPT Not Supported
Claude Not Supported
Claude Code Not Supported
Claude Duet Not Supported
Claude for Legal Not Supported
Cursor Not Supported
Model Context Protocol (MCP) Not Supported
WhatsApp Not Supported
Zapier Not Supported
n8n Not Supported

Integrations

ChatGPT Supported
Claude Supported
Claude Code Supported
Claude Duet Supported
Claude for Legal Supported
Cursor Supported
Model Context Protocol (MCP) Supported
WhatsApp Supported
Zapier Supported
n8n Supported
Claim Ithy and update features and information
Claim Ithy and update features and information
Claim Lenz and update features and information
Claim Lenz and update features and information