Stillwind vs Spider Cloud

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

Analysis reviewed Live tool data as of 2026-10-19
Cross-checked through our multi-step verification ·
Saved

At a glance

DimensionStillwindSpider Cloud
Primary UseSearch electronic components via AIWeb crawling/scraping API for AI agents
PricingFreeFreemium (pay as you go)
Key FeatureNatural language component searchRust engine with AI extraction
Best ForElectronics engineersAI agent developers
Latest NewsLaunched high-res PCB search (June 2026)Browser AI commands (March 2026)
IntegrationsNone listedLangChain, LlamaIndex, CrewAI, etc.

These tools serve completely different purposes. Choose Stillwind if you need to find electronic components using natural language queries – it's free and purpose-built for engineers. Choose Spider Cloud if you need a high-performance web crawling and scraping API for AI agents, RAG pipelines, or LLMs – it's cost-effective with advanced features like AI extraction and unblocker.

Try StillwindTry Spider Cloud
Stillwind
Stillwind

Stillwind turns plain-English electrical requirements into source-backed component search and validated BOMs, plus on-demand PCB footprints

Visit Website
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.

Visit Website
Pricing
Freemium
Freemium
Plans
$0
Custom
$1/GB + $0.0001/CPU-min
From $6/mo
From $40/mo
Custom
Popularity
7 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
Web
WebAPIPluginCLIDesktop
Categories
🚚 Supply Chain & Logistics
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Natural language component search from functional descriptions
Hybrid semantic + parametric querying in a single prompt
Page-level datasheet references for spec validation
Stillwind Builder: prompt a board concept and get a validated BOM (launched June 2026)
Formalizes a functional spec into mathematical constraints
High-resolution component search for dense PCB designs (June 2026)
Footprint and symbol generation built to your library standard
Most library parts delivered within an hour, all within 24 hours
Pin-to-pad verification on every part before delivery
KiCad and Altium output, with 3D models on request
KiCad sync on macOS, Linux and Windows
API and MCP server for pulling parts from your own scripts and agents
Versioned library standard with naming, courtyard, silkscreen and pin conventions
Web application with pre-built example queries (MCU, buck converter, SAW filter)
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
KiCad
Altium
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: Stillwind 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.

Stillwind

32 mentions across 3 sources · 22% positive — critical (averaged across 3 sources)

Hacker News, YouTube, Bluesky

What users praise

  • • Natural language search accepts complex spec constraints like voltage range and interface count.
  • • Hybrid search combines semantic and parametric queries for more relevant part matches.
  • • Indexes over 75 million parts from multiple suppliers in one place.
  • • Stillwind Builder auto-generates BOM from a natural language project description.

What frustrates them

  • • No independent user reviews exist to verify real-world accuracy or reliability.
  • • Lacks pricing and stock data, making it incomplete for procurement decisions.
  • • Builder feature is beta and outputs may need manual correction.
  • • No CAD or BOM tool integrations (Altium, KiCad, etc.) break workflow.

Researched Jul 28, 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

  • Solo electronics hobbyist
    Pick: Stillwind

    Free forever, natural language search for components, and high-res PCB search – perfect for personal projects.

  • AI agent developer needing real-time web data
    Pick: Spider Cloud

    Rust engine for speed, AI extraction, and integrations with LangChain/CrewAI make it ideal for RAG pipelines.

  • Procurement team sourcing electronic components
    Pick: Stillwind

    AI-driven component matching across thousands of suppliers, free and fast.

  • Building a knowledge base from many websites
    Pick: Spider Cloud

    High success rate, low cost per page, and data connectors to cloud storage.

  • PCB designer needing component details
    Pick: Stillwind

    High-resolution component search for PCBs launched June 2026.

Frequently Asked Questions

Stillwind vs Spider Cloud: which should you choose?

These tools serve completely different purposes. Choose Stillwind if you need to find electronic components using natural language queries – it's free and purpose-built for engineers. Choose Spider Cloud if you need a high-performance web crawling and scraping API for AI agents, RAG pipelines, or LLMs – it's cost-effective with advanced features like AI extraction and unblocker.

Can Stillwind find pricing or stock availability?

No, Stillwind provides links to suppliers and datasheets, but not real-time pricing or inventory data.

Does Spider Cloud offer a free tier?

Yes, Spider Cloud has a free tier with limited usage; after that it's pay-as-you-go at ~$0.03 per 1,000 pages.

Can I integrate Stillwind with my CAD tools?

No, Stillwind currently has no API or plugins for CAD/BOM tool integration.

What kind of data can Spider Cloud extract?

It can output markdown, HTML, JSON, CSV, XML, plain text, and screenshots. It also supports link extraction and search queries.

Is Stillwind's high-resolution PCB search available now?

Yes, it launched in June 2026 and is part of the free service.

Does Spider Cloud have anti-detection features?

Yes, it includes stealth anti-detection, rotating proxies, automatic retries, and an /ai/unblocker endpoint.

Which tool is better for AI agent development?

Spider Cloud is designed for AI agents, with direct integrations into LangChain, LlamaIndex, CrewAI, and support for Browser AI commands.

Are there any reviews for these tools?

Stillwind had a Show HN launch with community feedback; Spider Cloud has received positive press for its speed and low cost.

More Stillwind or Spider Cloud comparisons

Vercel vs Spider Cloud comparison

These aren't competitors, so there's no either/or decision here — most teams building agent products end up using both. If your problem is shipping and operating a web app or agent backend, Vercel is

Power BI vs Spider Cloud comparison

These are not competitors. Power BI is a governed BI layer for Microsoft-centric organizations; Spider Cloud is HTTP plumbing that returns rendered web pages to agents and retrieval pipelines. If you

LM Studio vs Spider Cloud comparison

These are not competitors — they are two halves of a stack, and nobody should be choosing one over the other. Pick LM Studio if your problem is where inference runs: you want open models and the Bioni

Amplitude vs Spider Cloud comparison

These are not competitors — don't frame this as a pick-one decision. Spider Cloud is infrastructure you buy to get live web pages into an agent or retrieval pipeline; Amplitude is the analytics layer

Tableau vs Spider Cloud comparison

These aren't competitors — pick based on the problem, not the price. If you need dashboards, governed self-service exploration, and agentic analytics on top of data you already store, Tableau is the b

Looker vs Spider Cloud comparison

These tools are not competitors — they solve different problems for different buyers. Spider Cloud is a developer API for pulling live web data into agents and RAG pipelines, with a freemium entry poi

Explore each tool further

Stillwind
View Stillwind reviewStillwind alternatives
Spider Cloud
View Spider Cloud reviewSpider Cloud alternatives

Browse these categories

Best AI Supply Chain & Logistics toolsBest AI Web Scraping & Search APIs toolsBest AI Browser & Computer-Use Agents tools
Still deciding? Get the weekly AI tools brief

One email a week — new tools, honest comparisons, no spam.

Last reviewed: July 3, 2026