Skip to content
Back to the index

CodeDuel

duelai.devCoding AI & assistants

No liveness check has reached it yet; it has been in the index since 9 Oct 2026. How this is checked

CodeDuel lets users solve programming problems in a browser while competing head-to-head with Claude on the same task and time limit. It provides a VS Code-style editor, multiple languages, automated test scoring, side-by-side results, and explanations of Claude’s approach for learning.

Inferred · not functionally tested

FreemiumWebCloud-managed
CodeDuel preview
Visit duelai.dev

Overview

6 features

Purpose: Practicing coding under realistic time pressure and staying competitive with AI coding systems.

Inferred · not functionally tested

Audience: software developers and coding students

Inferred · not functionally tested

Functions: code_generation

Inferred · not functionally tested

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: freemium · license: Proprietary · platforms: WEB · deployment: browser, cloud_managed

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: duelai.dev. These links do not verify the individual claims.

CodeDuel sits in PulseGate's Coding AI & assistants category. Inferred · not functionally tested: It focuses on practicing coding under realistic time pressure and staying competitive with AI coding systems. Inferred · not functionally tested: It is built as a consumer product for software developers and coding students. Basis unknown · not verified: A free plan is available. Basis unknown · not verified: It ships for the web.

Inferred · not functionally tested: Among its 6 catalogued features are timed coding duels, 120+ problems, and 36 problem categories.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Timed coding duels
  • 120+ problems
  • 36 problem categories
  • Three difficulty levels
  • Browser code editor
  • Nine programming languages

Topics: Inferred · not functionally tested

Tags
coding-challengesai-coding-competitiontimed-programmingdeveloper-practice
AI capabilities
CodeText
Inference: Cloud APIWeights: Proprietary

JSON profile · Text profile · Access guide

Built with & integrations

Framework
Next.js
Hosting
VercelCloudflare
AI providers
anthropic
Runs on
BrowserCloud-managed
Detected from
Next.js
x-nextjs-prerender header · /_next/static/ in the HTML · __next_f in the HTML
Vercel
x-vercel-id header · x-vercel-cache header
Cloudflare
cf-ray header · cf-cache-status header

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tier
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed8 Oct · 21:56 UTC
    Duelai Dev seen via Saashub
    Source: Saashub · Open

Frequently asked questions about CodeDuel

What is CodeDuel?
Inferred · not functionally tested: CodeDuel focuses on practicing coding under realistic time pressure and staying competitive with AI coding systems. It is catalogued under Coding AI & assistants on PulseGate.
Who is CodeDuel for?
Inferred · not functionally tested: CodeDuel is a consumer product built for software developers and coding students.
Does CodeDuel have a free plan?
Basis unknown · not verified: Yes — there is a free tier, with paid plans for advanced use.
What platforms does CodeDuel run on?
Basis unknown · not verified: CodeDuel runs on the web.
Is CodeDuel still maintained?
Unverified. CodeDuel has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Similar projects

Closest matches by what these projects do