Products

Three Sigma

AI-native

Imagine having an assistant that can answer any question in your documents.

threesigma.ai AI Models & Agents / AI Search & Answer Engines

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Sep 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
$14/mo
Higher than 54% of peersNiche median $12/mo
Creators
Lev Ostatnigrosh
No social account linked
Launched
3y ago
2023-05-14 · Est.

Traffic

Monthly visitsData through Sep 2026

Marketing moves

Launches, search & content, referrals, promotions

  • Launched on Product HuntLaunch

    Talk to your documents - powered by GPT-4

    May 25, 2023 · 3y agoLaunch page

  • Launched on Show HN (1 pts)Launch

    Analyzing Documents with Three Sigma

    May 16, 2023 · 3y agoLaunch page

  • Launched on Show HN (1 pts · 4 comments)Launch

    Launching my first startup

    May 14, 2023 · 3y agoLaunch page

Traffic sources

Sep 2026

Traffic breakdown

Channels

  • Direct39%
  • Organic Search30%
  • Referrals10%
  • Social6%
  • Other14%

Countries

  • United States100%

Search

Domain authority —Domain registered 2023-03-10

KeywordMonthly volume
three sigma lab40

Traffic data: Vaneform

Pricing

Standard
$14/mo (billed annually)
750 pages/mo · Unlimited questions when using ChatGPT plugin · Roughly 250 questions per month using GPT-3 on our site · Roughly 250 questions per month using GPT-4 on our site · Supports files with up to 750 pages

Trial: None · 1 paid tier ($14) · Observed 2026-11-04 · Pricing page

Entry price $14/mo, Higher than 54% of peers; “AI Search & Answer Engines” median is $12/mo.View pricing benchmark

Pages & changes

Tracked since 2023-05-25

Key pages

Weekly snapshots

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much does Three Sigma cost?
Standard: $14/mo (billed annually). Observed 2026-11-04. Check the source for current billing terms, usage limits and taxes.Source
How much website traffic does Three Sigma get?
Vaneform estimates <5K website visits in 2026-09. Visits can include repeat visits; this estimate does not measure paying customers or revenue.Source

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