diff ~/p/pieter-levels ~/p/sergiu-chiriac

Pieter Levels vs Sergiu Chiriac

Products, revenue & stack compared side by side.

Pieter Levels

Solo maker behind Photo AI, Nomads.com, Remote OK, Interior AI and the MAKE book

@levelsio Portugal

Sergiu Chiriac

Software engineer turned indie hacker behind AI Directories, TransClipper and ColdConvert

@s_chiriac Portugal

Pieter Levels vs Sergiu Chiriac at a glance

Both Pieter Levels and Sergiu Chiriac are bootstrapped solo founders, build in public and are serial makers. They overlap in AI Builders and Directory Makers. Both are based in Portugal. Pieter started in 2014 and Sergiu in 2024. Pieter Levels has 8 products listed on IndieMakerList vs Sergiu Chiriac's 5. On revenue, Pieter self-reports ~$219K/mo across products (as of 2026) and Sergiu $7.7K in the last 30 days (AI Directories) (as of 2026). On X, Pieter has about 971K followers and Sergiu about 12K.

Side-by-side comparison

Based in: Pieter Levels: Portugal; Sergiu Chiriac: Portugal
Started: Pieter Levels: 2014 (12 yrs indie); Sergiu Chiriac: 2024 (2 yrs indie)
Revenue (self-reported): Pieter Levels: ~$219K/mo across productsself-reported, as of 2026 · source for Pieter Levels's revenue; Sergiu Chiriac: $7.7K in the last 30 days (AI Directories)self-reported, as of 2026 · source for Sergiu Chiriac's revenue
Products listed: Pieter Levels: 8; Sergiu Chiriac: 5
Product status: Pieter Levels: 8 active; Sergiu Chiriac: 5 active
X followers: Pieter Levels: 971K; Sergiu Chiriac: 12K
Categories: Pieter Levels: AI Builders SaaS Founders Digital Nomads Directory Makers; Sergiu Chiriac: Marketing & SEO Tools Directory Makers AI Builders
Style: Pieter Levels: solobootstrappedbuilds in publicserial maker; Sergiu Chiriac: solobootstrappedbuilds in publicserial maker
Courses & resources: Pieter Levels: 4; Sergiu Chiriac: —

Revenue figures are self-reported by each maker and not audited; dates and scope differ. Highlighted categories are shared by both.

Tech stack

No tools in common in their publicly listed stacks. See the indie maker tech stack.

Pieter Levels

PHPjQuerySQLiteVanilla JavaScriptReplicatesingle VPS

Sergiu Chiriac

Next.jsTypeScriptMongoDBPrismaTailwind CSSStripe

How they build

Pieter Levels

Ship fast and launch many small bets; most will fail, so volume matters.
Use boring, familiar tech and keep everything on one server for as long as possible.
Stay solo and automate work with code instead of hiring.
Charge money early and grow organically rather than with ads or investors.
Be radically transparent about revenue and failures.

Sergiu Chiriac

Give away a useful resource first, then sell the done-for-you version.
Use your own service to grow your own products.
Share revenue numbers for every product publicly.

Learn from Pieter and Sergiu

Pieter Levels

[book] MAKE: The Indie Startup Manual · $29.99–$69.99
[community] @levelsio chat on Telegram · +$25
[podcast] Lex Fridman Podcast #440
[newsletter] levels.io blog

Sergiu Chiriac

No courses, books or communities listed.

Pieter Levels vs Sergiu Chiriac FAQ

Who makes more money, Pieter Levels or Sergiu Chiriac?

Pieter Levels self-reports ~$219K/mo across products (as of 2026) and Sergiu Chiriac self-reports $7.7K in the last 30 days (AI Directories) (as of 2026). By these self-reported figures, Pieter Levels' reported monthly revenue is higher. Figures are unaudited and may cover different periods or businesses, so treat them as rough indicators.

Who has built more products, Pieter Levels or Sergiu Chiriac?

Pieter Levels has 8 products listed (including Photo AI, Vibe Jam and Interior AI); Sergiu Chiriac has 5 products listed (including AI Directories, TransClipper and ColdConvert).

What tech stack do Pieter Levels and Sergiu Chiriac use?

Pieter Levels uses PHP, jQuery, SQLite, Vanilla JavaScript, Replicate and single VPS. Sergiu Chiriac uses Next.js, TypeScript, MongoDB, Prisma, Tailwind CSS and Stripe. They don't list any tools in common.