Gelt.dev vs Spider Cloud

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-10-18
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At a glance

DimensionGelt.devSpider Cloud
Core FunctionNatural language app builder to deploymentWeb scraping & crawling API for AI agents
Target UserNon-technical founders, product managersDevelopers, AI agents, RAG pipelines
Key IntegrationsStripe, VercelLangChain, LlamaIndex, S3, GCS, Supabase
Latest FeatureNo recent newsBrowser AI commands via WebSocket (2026-03-05)
Best ForOne-shot app prototypingHigh-volume web data extraction

Choose Spider Cloud if you need a high-performance, cost-efficient web scraping API for AI agents and RAG pipelines, with recent additions like Browser AI commands. Choose Gelt.dev if you want to build a full-stack web app from a natural language description without coding. They solve different problems—Spider Cloud gets you data, Gelt.dev gets you a deployable app.

Try Gelt.devTry Spider Cloud
Gelt.dev
Gelt.dev

Fixa is a cloud coding agent that turns plain-language prompts into deployed full-stack web apps — and runs the code before you ship it.

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Spider Cloud
Spider Cloud

Spider Cloud is a web scraping, crawling, and search API that streams live pages as markdown or JSON for AI agents and RAG pipelines.

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Pricing
Freemium
Freemium
Plans
$0/mo
Usage-based
Usage-based
Usage-based
Usage-based
Custom
$1/GB + $0.0001/CPU-min
From $6/mo
From $40/mo
Custom
Popularity
1 views
7.5k views
Skill Level
Beginner-friendly
Intermediate
API Available
Platforms
Web
WebAPIPluginCLIDesktop
Categories
🚀 AI App & Website Builders
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Turn plain-language app descriptions into deployed full-stack web apps
Cloud sandbox runs your code and self-checks output before you ship
Start from scratch or import an existing GitHub repository
Iterate by chatting with the agent in natural language
Command palette for triggering agent actions quickly
Connect MCP tools to extend the agent's capabilities
One-click deploy to production
Stripe payment integration configured through chat
Download the full codebase for self-hosting or local development
Usage-based billing with tiered usage ceilings
Free tier runs on GPT-6 Luna
Premium models across tiers: Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 5.5, GPT-6.1 Sol, GPT-6 Sol, GPT-6 Astra, Grok 4.7
Priority sandboxes for faster agent runs on paid plans
Ad-free agent experience on paid plans
Custom domains, team management and real-time collaboration on Enterprise
Scrape a single page into markdown, JSON, HTML, raw, or plain text
Crawl entire sites with each page streamed as one JSONL line in order as it finishes
Web search endpoint returns SERP results plus the scraped pages behind them
Custom browser renders like a user: scripts run, lazy images load, infinite scroll reaches the end
Load protected pages through a real browser engine with geo checks, returning a 200
Run full browser sessions over WebSocket with anti-detection and rotating exits
Send AI commands (Act, Extract, Observe) over the Browser API WebSocket
Send a prompt on a scrape or crawl request and get named fields back as JSON
Two-phase AI extraction: a fast model for most pages, a stronger model for complex layouts
Provider router sends scrape and crawl requests to outside providers on your own keys
Data connectors pipe crawl results into S3, GCS, Google Sheets, Azure Blob, or Supabase
Proxy network with 215M+ residential and ISP exits in 199 countries, rotated per request
MCP server at mcp.spider.cloud for Claude Code, Codex, Cursor, and Claude Desktop
1,000+ ready-made scraper examples across 32 categories, each with working code
API responses support JSON, JSONL, CSV, and XML; up to 10,000 core API requests per minute by default
Integrations
GitHub
Stripe
LangChain
LlamaIndex
CrewAI
FlowiseAI
Langflow
Dify
Agno
MCP
Claude Code
Codex
Cursor
Claude Desktop
Amazon S3
Google Cloud Storage
Google Sheets

What real users say: Gelt.dev vs Spider Cloud

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

Gelt.dev

24 mentions across 3 sources · 63% positive — mixed (averaged across 3 sources)

Hacker News, YouTube, Product Hunt

What users praise

  • • Natural language to full-stack app in minutes – no coding needed.
  • • Pay-per-message billing – only pay for what you generate.
  • • One-click deploy to Vercel with built-in Stripe integration.
  • • Multi-model AI support (Claude, GPT-5, Gemini) gives flexibility.

What frustrates them

  • • Very limited real user feedback – mostly just launch buzz.
  • • Support depends on a single teenage founder – risky for uptime.
  • • Stripe and Vercel integrations only – no external API support.
  • • Not suitable for complex or data-heavy applications.

Researched Jul 27, 2026

Spider Cloud

No verifiable community signal. We scanned public discussion on Oct 14, 2026 and found posts matching the name “Spider Cloud”, but could not establish that they are about this product rather than something else sharing its name. Rather than publish a score built on the wrong subject, we publish none.

Who should pick which

  • AI agent developer
    Pick: Spider Cloud

    Spider Cloud provides a fast web crawling API with Rust engine, plus recent Browser AI commands for real-time interaction, ideal for feeding data to LLMs.

  • Non-technical founder
    Pick: Gelt.dev

    Gelt.dev lets you describe an app idea in natural language and deploys it to Vercel with Stripe integration, perfect for testing a business concept quickly.

  • Data engineer for RAG pipeline
    Pick: Spider Cloud

    Spider Cloud offers structured output, cloud connectors, and integrates with LangChain/LlamaIndex, directly feeding RAG pipelines.

  • Product manager prototyping
    Pick: Gelt.dev

    Gelt.dev enables rapid iteration of app ideas without coding, helping PMs validate features before development.

  • Freelancer scraping data for clients
    Pick: Spider Cloud

    The 1,000+ scraper catalog and low per-page cost make Spider Cloud efficient for client data extraction projects.

Frequently Asked Questions

Gelt.dev vs Spider Cloud: which should you choose?

Choose Spider Cloud if you need a high-performance, cost-efficient web scraping API for AI agents and RAG pipelines, with recent additions like Browser AI commands. Choose Gelt.dev if you want to build a full-stack web app from a natural language description without coding. They solve different problems—Spider Cloud gets you data, Gelt.dev gets you a deployable app.

What is the main difference between Spider Cloud and Gelt.dev?

Spider Cloud is a web scraping API for extracting data at scale; Gelt.dev is an AI app builder that generates deployable web apps from natural language.

Which tool is better for AI agents?

Spider Cloud, because it provides real-time web data, structured output, and recently added Browser AI commands (Act, Extract, Observe) via WebSocket.

Can I use Gelt.dev to scrape websites?

No, Gelt.dev is designed for building apps, not extracting data from other sites.

Does Spider Cloud offer a free tier?

Yes, it's freemium with usage credits; details are not fully specified but failed requests are not billed.

Can I build a Stripe-integrated app with Spider Cloud?

No, Spider Cloud is an API for crawling/scraping; it does not build apps or integrate Stripe.

How does pricing compare?

Spider Cloud charges ~$0.03 per 1k pages; Gelt.dev charges per message. Both have free tiers, but Spider Cloud offers more predictable scaling costs.

Which tool has more integrations?

Spider Cloud integrates with LangChain, LlamaIndex, S3, GCS, Supabase, etc. Gelt.dev integrates with Stripe and Vercel.

Is there a self-hosted version?

Spider Cloud has an open-source core on GitHub for self-hosting; Gelt.dev is cloud-only.

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Explore each tool further

Gelt.dev
View Gelt.dev reviewGelt.dev alternatives
Spider Cloud
View Spider Cloud reviewSpider Cloud alternatives

Browse these categories

Best AI AI App & Website Builders toolsBest AI Web Scraping & Search APIs toolsBest AI Browser & Computer-Use Agents tools
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Last reviewed: July 3, 2026