CodeCrafters

CodeCrafters offers hands-on programming challenges that teach developers by having them build actual tools and systems from scratch

Education·Launched Apr 2026·Signal Score 24.8·0 upvotes·codecrafters.io

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LivenessActiveRankScore 24.8Last commit—SO tag heat—Press sentiment 7d—Hiring—Cohort 2026+13.9 WoW

What it is

CodeCrafters offers hands-on programming challenges that teach developers by having them build actual tools and systems from scratch. The platform gamifies complex technical tutorials, making advanced programming concepts accessible through practical, project-based learning.

Signal score

vs category avg: +-40.2

24.8+13.9 WoW

Funding history

1 round

Total raised

$1.8M

Latest valuation

—

Stage

seed

Lead investors: Mike Krieger · Jitendra Vaidya · Paul Copplestone · Kevin Van Gundy · Arash Ferdowsi

Seed

Nov 2024

Mike Krieger, Arash Ferdowsi, Kevin Van Gundy, Paul Copplestone

$1.8M

source

Data from SEC EDGAR Form D filings and press coverage. Round labels for SEC filings are inferred from filing sequence and amount.

Moat

Updated May 2026

Brand

strong

CodeCrafters is distinguished by a strong brand reputation, supported by endorsements from prominent developers and its offerings which are recognized within the developer community for high-quality challenges that promote deep learning.

4 sources

→#1 GitHub Repo in the World source
→Consistently praised by principal engineers at remarkable companies. source
→Enjoyed by developers at the world's best companies including OpenAI and Google. source
→The hardest programming challenges on the internet. source

Confidence 80% · classified by firecrawl-extract

Press mentions

0 lifetime · 0 shown

No press mentions found.

Discussion 0 comments

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Vitalslive · 06:28 UTC

Signal

24.8+13.9

Rank in cat

—

Upvotes

—

Press 30d

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Founders

Not yet researched. Weekly founder enrichment runs Sundays.

Liveness probedaily 04:30 UTC

Active · 200 OK

codecrafters.io · last 16:48 UTC

30-day probe history

30d agotoday

GitHub activitydaily 04:15 UTC

No GitHub data available

Stack Overflow tag heatweekly Sun

Category tags · 30d / lifetime ratio

large-language-model

0.59%

openai-api

0.035%

langchain

0.14%

huggingface

0.057%

Category heat (avg)—

Press sentiment · 7d rollinghourly

+0.72

Strongly positive

7 mentions in window

growthagenticproductvs competitors

Cohort survival · Class of 2026weekly

Products in the 2026 cohort. Cohort survival data is not yet computed for individual products.

Median Lifespan

4.2y

Cohort Rank

—

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