GPT API Free 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

DimensionGPT API FreeSpider Cloud
Primary FunctionFree API access to multiple LLMs (GPT, Claude, Gemini, etc.)Web crawling, scraping, and data extraction for AI agents
Latest NewsShow HN: Agnes AI – Free multimodal API (Jun 2026)Browser AI commands (Act, Extract, Observe) via WebSocket (Mar 2026)
Model BreadthGPT-4/3.5, DeepSeek, Claude, Gemini, Grok, and moreCustom Silk AI model (extraction + captcha solving)
Target UserDevelopers testing, hobbyists, students, researchersAI agents, RAG pipelines, high-volume scraping teams
Reliability/SupportNo SLA, rate limited, community support only99.9% success rate, unblocker, rotating proxies, no billing for failed requests

If you need production-grade web data for AI agents or RAG, Spider Cloud wins with a dedicated crawling engine, 99.9% success rate, and advanced anti-detection — at $0.03/1K pages it's cost-effective for scale. If you're a student or hobbyist testing LLMs for free, GPT API Free is unbeatable for zero-cost access to multiple models, but cannot be used for high-reliability or large-scale applications.

Try GPT API FreeTry Spider Cloud
GPT API Free
GPT API Free

One OpenAI- and Claude-compatible API key fronting GPT, Claude, Gemini, DeepSeek, Qwen, GLM, Kimi and MiniMax models.

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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
Custom
$1/GB + $0.0001/CPU-min
From $6/mo
From $40/mo
Custom
Popularity
22 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
API
WebAPIPluginCLIDesktop
Categories
🚦 LLM Gateways & Model Routers
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Free API key quota claimed by registering and authorising with GitHub
OpenAI-compatible /v1/chat/completions endpoint
Claude Messages API compatibility
Responses API support
Works with the official OpenAI SDK
Works with the official Claude SDK
Compatible with coding tools including Codex and Claude Code
Named model access: OpenAI GPT series (example model string "gpt-5.2")
Named model access: Anthropic Claude series
Named model access: Google Gemini series
Named model access: DeepSeek series
Named model access: Alibaba Qwen series
Named model access: Zhipu GLM series
Named model access: Moonshot Kimi series
Named model access: MiniMax series
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
Codex
Claude Code
LangChain
LlamaIndex
CrewAI
FlowiseAI
Langflow
Dify
Agno
MCP
Cursor
Claude Desktop
Amazon S3
Google Cloud Storage
Google Sheets

What real users say: GPT API Free 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.

GPT API Free

48 mentions across 4 sources · 35% positive — critical (averaged across 4 sources)

YouTube, Bluesky, GitHub, Lemmy

What users praise

  • • Free access to multiple top LLMs including GPT-4 and Claude.
  • • Compatible with OpenAI libraries, making integration straightforward.
  • • No credit card required to get started initially.
  • • Active GitHub community with nearly 39k stars and frequent updates.

What frustrates them

  • • Free keys often show 'insufficient balance' or require payment to use.
  • • Frequent API key authentication errors reported on GitHub.
  • • Paid users report keys not working with no effective support.
  • • Rate limits and availability constraints not clearly documented.

Researched Jul 18, 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 founder building an AI agent that needs live web data (RAG)
    Pick: Spider Cloud

    Spider Cloud provides reliable crawling, stealth anti-detection, and structured output at $0.03/1K pages, essential for production AI agents.

  • Student learning to integrate different LLMs
    Pick: GPT API Free

    Free access to GPT, Claude, Gemini, and more at zero cost, perfect for experimentation without financial commitment.

  • Enterprise team needing high-volume scraping with SLOs
    Pick: Spider Cloud

    99.9% success rate, unblocker, rotating proxies, and data connectors make it enterprise-ready; GPT API Free has no SLA.

  • Hobbyist prototyping a chatbot with multiple models
    Pick: GPT API Free

    Free API for multiple LLMs ideal for prototyping; Spider Cloud is overkill if no web data is needed.

  • Researcher comparing model outputs for a paper
    Pick: GPT API Free

    Free access to many models including DeepSeek, Claude, and Gemini enables cost-free comparisons; Spider Cloud only offers one custom Silk model.

Frequently Asked Questions

GPT API Free vs Spider Cloud: which should you choose?

If you need production-grade web data for AI agents or RAG, Spider Cloud wins with a dedicated crawling engine, 99.9% success rate, and advanced anti-detection — at $0.03/1K pages it's cost-effective for scale. If you're a student or hobbyist testing LLMs for free, GPT API Free is unbeatable for zero-cost access to multiple models, but cannot be used for high-reliability or large-scale applications.

Can I use GPT API Free to scrape websites?

No. GPT API Free only provides LLM chat completions and embeddings; it has no crawling or scraping capabilities.

Does Spider Cloud offer free API access?

Spider Cloud is freemium; you get limited free credits (not specified but typical), then pay $0.03 per 1,000 pages. Failed requests are not billed.

Which service is better for RAG pipelines?

Spider Cloud is built for RAG: it extracts and structures web content. GPT API Free is just an LLM API, not a data source.

Does GPT API Free require a credit card?

No, it requires no credit card and is completely free to start using.

Can Spider Cloud solve captchas?

Yes, Spider Cloud's Silk custom AI model includes captcha solving capabilities.

Does GPT API Free support multimodal (image/video)?

As of its latest news (June 2026), yes — via the newly launched Agnes AI integration, it supports text, image, and video multimodal API.

Which tool is cheaper for high-volume usage?

For high volume, Spider Cloud is extremely cheap ($0.03/1K pages). GPT API Free is free but rate-limited, so not viable for high volume.

Can Spider Cloud be self-hosted?

Yes, the open-source core of Spider Cloud is available on GitHub for self-hosting.

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Explore each tool further

GPT API Free
View GPT API Free reviewGPT API Free 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 Browser & Computer-Use Agents tools
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Last reviewed: July 3, 2026