backdoor vs Spider Cloud

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

Analysis reviewed Live tool data as of 2026-09-29
Cross-checked through our multi-step verification ·
Saved

At a glance

DimensionbackdoorSpider Cloud
Primary UseReroute Claude Code to any AI providerWeb crawling & scraping API for AI agents
DeploymentCLI proxy (local or cloud)Cloud API + self-host option
Target UserDevelopers (CLI-savvy) wanting code agent cost reductionAI/ML teams needing real-time web data for RAG/agents
Latest FeaturesNo recent updates notedBrowser AI commands, scraper catalog, data connectors (Feb-Mar 2026)
Integration EcosystemDeepSeek, Groq, Ollama, OpenRouter, NVIDIA NIM, LM StudioLangChain, LlamaIndex, CrewAI, FlowiseAI, AutoGen, etc.

If you want to reduce Claude Code costs by using cheaper models (DeepSeek, Groq) while keeping the agentic workflow, Backdoor is a no-brainer – it's free, CLI-based, and saves up to 99.95% at scale. If you need a reliable, low-cost web data pipeline for AI agents with modern features like Browser AI commands and ready-made scrapers, Spider Cloud delivers with a straightforward API and freemium pricing. Choose based on your bottleneck: AI model spend vs. web data acquisition.

Try backdoorTry Spider Cloud
backdoor
backdoor

Open-source MIT proxy that reroutes Claude Code's API calls to DeepSeek, Groq, Ollama, OpenRouter, NVIDIA NIM, or any OpenAI-compatible endpoint.

Visit Website
Spider Cloud
Spider Cloud

Spider Cloud is a web scraping API that renders, crawls, and searches the web for agents and RAG pipelines.

Visit Website
Pricing
Free
Freemium
Plans
—
$1/GB + $0.0001/CPU-min
from $6/mo
from $40/mo
Popularity
6 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
CLI
WebAPIPluginCLIDesktop
Categories
🚦 LLM Gateways & Model Routers💾 Local & On-Device AI
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Intercepts Claude Code API calls and reroutes them to OpenAI-compatible providers
Supports DeepSeek, Groq, Ollama, OpenRouter, NVIDIA NIM, and LM Studio backends
Animated terminal setup wizard for initial configuration
Three-command install: git clone, cd backdoor, ./backdoor
One-line .env config switch between providers
99.95% cost reduction claimed (DeepSeek V3 Flash vs Claude Opus 4.7 over 500M tokens)
Free-tier provider support (Groq, NVIDIA NIM)
Private local inference via Ollama with no data sent off-machine
200+ model access via OpenRouter through a single API key
Streaming response handling with full tool use
Anthropic to OpenAI request format translation
Single-file Python server under 600 lines
Health check endpoint for monitoring
Cost calculator script (cost.py)
Optional Telegram bot for remote control
Scrape a single page into markdown, JSON, HTML, raw text, or plain text
Crawl entire sites with pages streaming back in order as JSONL as each finishes
Web search endpoint returns SERP results, scraped pages, and AI extraction in one call
Custom browser renders pages like a user: scripts run, lazy images load, infinite scroll completes
Unblocker handles bot walls, CAPTCHAs, and geo checks with stealth and automatic retries
Browser Cloud runs full browser sessions with anti-detection and CAPTCHA solving on by default
Send AI commands (Act, Extract, Observe) over the Browser API WebSocket mid-session
Send a prompt with a request and get back the named fields as JSON
Provider router object in scrape and crawl bodies routes requests to outside providers on your own keys
Proxy network with 215M+ residential and ISP exits across 199 countries, rotated per request
MCP server at mcp.spider.cloud for Claude Code, Codex, Cursor, and Claude Desktop
spider-agent CLI and SKILL.md let a coding agent self-onboard against the entire API
1,000+ ready-made scraper examples across 32 categories, each with working code
10,000 core API requests per minute per account by default
Return formats include JSON, JSONL, CSV, and XML on top of multiple markdown variants
Integrations
DeepSeek
Groq
Ollama
OpenRouter
NVIDIA NIM
LM Studio
LangChain
LlamaIndex
CrewAI
FlowiseAI
Langflow
Dify
Agno
Zapier
Pipedream
Claude Code
Codex
Cursor
Windsurf
Claude Desktop

What real users say: backdoor 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.

backdoor

96 mentions across 6 sources · 20% positive — critical (averaged across 6 sources)

Hacker News, YouTube, Product Hunt, Bluesky, Stack Overflow, Lemmy

What users praise

  • • Massive cost reduction — up to 99.95% vs Claude Opus.
  • • Works with any OpenAI-compatible provider: DeepSeek, Groq, Ollama, OpenRouter.
  • • Preserves Claude Code's full agentic workflow and tool use.
  • • Simple setup — three commands via an animated wizard.

What frustrates them

  • • Almost no real user reviews or community validation exists.
  • • Name conflicts with security backdoors and Backrooms content.
  • • No support channels or active maintainer visibility.
  • • Relies on Claude Code not changing compatibility-breaking features.

Researched Jul 26, 2026

Spider Cloud

No verifiable community signal. We scanned public discussion on Sep 29, 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 developer using Claude Code to automate coding tasks
    Pick: backdoor

    Backdoor lets you keep Claude Code's UI but route calls to DeepSeek or local models, slashing API costs by up to 99.95% – ideal for solo budgets.

  • AI startup building a RAG pipeline that needs fresh web data
    Pick: Spider Cloud

    Spider Cloud's fast, reliable API with 99.9% success rate, structured output, and AI extraction fits perfectly into RAG pipelines, and its cheap per-page cost scales.

  • Privacy-conscious user who wants local AI inference
    Pick: backdoor

    Backdoor supports private local inference via Ollama, ensuring no data leaves your machine – perfect for sensitive codebases.

  • Developer needing web scraping with anti-bot bypass and structured extraction
    Pick: Spider Cloud

    Spider Cloud's Silk AI, Browser Cloud with stealth anti-detection, and automatic retries provide a robust solution for scraping challenging sites.

  • Team exploring multiple AI models for code generation
    Pick: backdoor

    Backdoor's one-line config switch to 200+ models via OpenRouter lets teams experiment without vendor lock-in, all within Claude Code's workflow.

Frequently Asked Questions

backdoor vs Spider Cloud: which should you choose?

If you want to reduce Claude Code costs by using cheaper models (DeepSeek, Groq) while keeping the agentic workflow, Backdoor is a no-brainer – it's free, CLI-based, and saves up to 99.95% at scale. If you need a reliable, low-cost web data pipeline for AI agents with modern features like Browser AI commands and ready-made scrapers, Spider Cloud delivers with a straightforward API and freemium pricing. Choose based on your bottleneck: AI model spend vs. web data acquisition.

Do I need to pay for Backdoor?

No, Backdoor is free and open-source. You only pay for the AI provider you route to (e.g., DeepSeek, Groq, OpenRouter).

Can Spider Cloud scrape JavaScript-heavy websites?

Yes, Spider Cloud uses a Browser Cloud with stealth anti-detection and Browser AI commands (click, type) to handle modern web apps.

How much can Backdoor save on API costs?

For 500M tokens, Backdoor routing to DeepSeek V3 costs $5.34 vs $9,834 on Claude Opus, a 99.95% reduction.

Does Spider Cloud require credit card to start?

Spider Cloud has a freemium model with free credits (likely), but exact details depend on sign-up. Pricing is per page with no fixed subscription.

Can Backdoor work with non-Anthropic models?

Yes, it supports any OpenAI-compatible provider including DeepSeek, Groq, Ollama, OpenRouter, and local models.

Does Spider Cloud support structured data extraction?

Yes, it outputs markdown, HTML, JSON, CSV, XML, plain text, and screenshots, with AI extraction via Silk model.

Is Backdoor secure for enterprise use?

Yes, it sends no telemetry or logs externally. For full security, use local inference with Ollama.

Can Spider Cloud handle captchas?

Yes, its Silk AI model includes captcha solving capability.

More backdoor 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

backdoor
View backdoor reviewbackdoor alternatives
Spider Cloud
View Spider Cloud reviewSpider Cloud alternatives

Browse these categories

Best AI LLM Gateways & Model Routers toolsBest AI Web Scraping & Search APIs toolsBest AI Local & On-Device AI 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: June 18, 2026