Amplitude vs Spider Cloud
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | Amplitude | Spider Cloud |
|---|---|---|
| Pricing | Free tier (growth plan capped at 10K MTUs), paid plans from $49/mo | Pay-as-you-go, $49/mo for 100,000 credits, no free tier |
| Core Purpose | Product & marketing analytics with behavioral insights | Web scraping & structured data extraction API for AI agents |
| Target Users | Product managers, marketing teams, data analysts | AI/ML engineers, RAG pipeline builders, LLM researchers |
| Key Feature | User journey tracking, session replay, A/B testing, AI agents | 100K+ pages/sec throughput, anti-bot bypass, AI-native output |
| Integrations | Not listed; primarily SDKs for data ingestion | LangChain, LlamaIndex, CrewAI, AutoGen, Zapier, n8n |
| Open Source | No | Crawler engine open-source (MIT) |
If you need to extract fresh, structured web data for AI agents or RAG at massive scale, Spider Cloud is the clear choice with its high-performance Rust engine and pay-as-you-go model. Conversely, if your goal is to analyze user behavior, run experiments, and optimize product experiences, Amplitude's freemium analytics platform is purpose-built for product and marketing teams. They solve completely different problems, so choose based on whether you need to crawl the web or understand your users.

Fastest web crawler API for AI agents — Rust-based, pay-as-you-go, 99.9% success rate.
Visit WebsiteFeature-by-feature
Spider Cloud and Amplitude serve fundamentally different purposes, making a direct feature comparison challenging. Spider Cloud is a web crawling and extraction API optimized for AI workloads, offering a Rust-based engine capable of over 100,000 pages per second, anti-bot bypass across 199 countries, and AI-native outputs like markdown and structured JSON. It includes a relevance gate to skip irrelevant pages before charging, data connectors to cloud storage, and integrations with AI frameworks like LangChain and CrewAI. Its open-source engine allows self-hosting. Amplitude, in contrast, is a product and marketing analytics platform focused on understanding user behavior. It provides session replay, heatmaps, funnel analysis, and A/B experimentation through Feature Experimentation. Amplitude also offers AI Agents for automated issue resolution and AI Visibility for brand mention tracking in LLMs. While Spider Cloud excels in raw data extraction speed and AI pipeline integration, Amplitude dominates in behavioral analytics and product optimization. Neither tool replaces the other; the choice depends on whether your primary need is web data ingestion or user behavior analysis.
Pricing compared
Spider Cloud operates on a pay-as-you-go credit system with no free tier. Its Starter plan costs $49/month for 100,000 credits, and custom Enterprise plans are available. Each credit corresponds to a page crawl or extraction, so costs scale with usage. Amplitude offers a free Growth plan capped at 10,000 monthly tracked users (MTUs), making it accessible for early-stage products. Paid plans start at $49/month for the Plus plan, which includes higher MTU limits and advanced features like session replay and experimentation. For large enterprises, Amplitude provides custom pricing. Spider Cloud's pricing model favors high-volume, variable usage where you pay only for what you consume, while Amplitude's freemium model is better for startups monitoring user growth without upfront commitment. However, Spider Cloud's pay-as-you-go approach can become expensive for massive scraping workloads, whereas Amplitude's per-MTU pricing is predictable for known user bases. Both tools are relatively affordable at entry levels, but the cost drivers are entirely different: extraction volume vs. analytics user count.
Who should pick which
- AI agent developerPick: Spider Cloud
Spider Cloud provides a high-throughput API with structured output and AI framework integrations, ideal for feeding real-time web data to AI agents.
- Product manager at SaaS startupPick: Amplitude
Amplitude's free tier offers product analytics, session replay, and experimentation, enabling deep user behavior understanding without upfront cost.
- LLM researcher collecting datasetsPick: Spider Cloud
Spider Cloud's massive crawling speed and anti-bot bypass make it efficient for large-scale data collection, with relevance gates to avoid waste.
- Marketing optimization teamPick: Amplitude
Amplitude's marketing analytics, A/B testing, and AI Feedback help optimize campaigns and personalization based on user behavior.
- Enterprise data pipeline engineerPick: Spider Cloud
Spider Cloud's data connectors (S3, GCS, etc.) and open-source engine allow seamless integration into existing data infrastructure for scalable ingestion.
Frequently Asked Questions
What types of output does Spider Cloud provide?
Spider Cloud converts web pages into markdown, structured JSON, or screenshots, optimized for AI consumption.
Does Amplitude offer a free tier?
Yes, Amplitude has a free Growth plan for up to 10,000 tracked users per month.
Can Spider Cloud bypass anti-bot measures?
Yes, it uses residential proxies across 199 countries and stealth anti-bot bypass techniques.
Does Amplitude support A/B testing?
Yes, through its Feature Experimentation and Web Experimentation modules.
Is Spider Cloud's engine open source?
Yes, it's available on GitHub under the MIT license for self-hosting.
What integrations does Spider Cloud support?
It integrates with LangChain, LlamaIndex, CrewAI, AutoGen, Zapier, n8n, and cloud storage services.
What is Amplitude's core feature?
Amplitude provides product and marketing analytics, session replay, heatmaps, and AI agents for insight generation.
Which tool is better for large-scale data extraction?
Spider Cloud, with its 100K+ pages per second throughput and relevance gates, is built for scale.
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