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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

MarsCode logo
MarsCode
✓ verifiedFree

AI-powered IDE with code completion, generation, explanation and debugging, plus a cloud dev environment, for developers.

69K visits/mo
Continue logo
Continue
✓ verifiedFreemium

Open-source AI coding assistant offering autocomplete and chat in IDEs; the company was acquired by Cursor.

775K visits/mo
ChatbotGen logo
ChatbotGen
✓ verifiedFreemium

Builds AI chatbots for WhatsApp, web, and Telegram trained on your content, with fast QR-based WhatsApp setup and a free tier.

6.0K visits/mo
Base44 logo
Base44
✓ verifiedFreemium

No-code AI platform that builds full-stack apps, websites and agents from plain-language prompts with hosting built in.

18M visits/mo
B12 logo
B12
✓ verifiedFreemium

AI website builder for professional service providers that generates sites, stores and web apps plus client-engagement tools.

475K visits/mo185K saves
Pricing

No public pricing

No public pricing

Free: $0/mo (1 chatbot, 50 msgs)
Starter: $29/mo (3 bots, 2,000 msgs)
Growth: $79/mo (10 bots, 10,000 msgs)
Business: $199/mo (50 bots, 30,000 msgs)
Free: $0
Starter: $16/mo
Builder: $40/mo
Pro: $80/mo
Elite: $160/mo

No public pricing

Core features
  • AI code completion and snippet generation
  • Natural-language code generation
  • Code explanation and AI Q&A
  • Automated bug detection and fixes
  • Zero-config cloud development environment
  • Project creation from templates or Git
  • Open-source AI code assistant
  • Customizable autocomplete
  • In-editor AI chat
  • Community-built coding agent
  • Train on PDFs, URLs, and Q&A
  • WhatsApp via QR scan (no Meta Business)
  • Web widget and Telegram channels
  • Industry templates
  • Tools: lead capture, booking, human handoff
  • 100+ languages
  • Prompt-to-app full-stack generation
  • Built-in backend, database and auth
  • One-click integrations (Slack, Notion, HubSpot, etc.)
  • Instant hosting and custom domains
  • Superagents for automated workflows
  • GitHub sync and code export
  • AI website, store and web-app generation
  • Built-in on-page SEO and blogging
  • Client intake forms and contact manager
  • Email marketing and automation
  • Contracts and eSignatures
  • AI content and website chatbots
Use cases
  • Writing and completing code faster with AI
  • Onboarding to unfamiliar codebases
  • Debugging and optimizing code
  • Spinning up dev environments in the browser
  • Get AI code completions while coding
  • Ask questions about code in the editor
  • Build on an open-source coding-agent foundation
  • Adding an AI agent to WhatsApp fast
  • Answering website visitor questions
  • Booking and lead capture for SMBs
  • Building internal tools and dashboards
  • Launching websites and landing pages
  • Creating customer portals and CRMs
  • Deploying AI agents that automate tasks
  • Launching a professional-services website quickly
  • Generating an online store or web app with AI
  • Capturing and managing client leads
  • Sending contracts and collecting eSignatures
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