Idun Agent Platform vs Spider Cloud
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | Idun Agent Platform | Spider Cloud |
|---|---|---|
| Primary Function | Deploy LangGraph/ADK agents as production FastAPI services | Fast web crawling, scraping, and search API for AI agents |
| Self-Hosting | Fully self-hosted (no vendor lock-in, GPL 3.0) | Both self-hosted (open-source core on GitHub) and cloud |
| Key Feature | One-command deployment, built-in chat UI, guardrails, memory, OIDC | Rust-powered crawler, Browser AI commands, 1k+ scraper catalog |
| Target Buyer | CTOs, Heads of Platform, Principal Engineers | AI/ML engineers building RAG pipelines or web-data-driven agents |
| LATEST NEWS | None reported | Mar 2026: Browser AI commands (Act/Extract/Observe), scraper catalog, data connectors |
Idun Agent Platform is for teams building custom agent infrastructure who want self-hosted control and no per-execution fees. Spider Cloud is for AI/ML engineers who need fast, cheap web data for RAG or LLM-powered agents. Choose Idun if you own the agent pipeline and want to deploy it in production; choose Spider if your bottleneck is getting web data into your agents.

Open-source runtime that turns LangGraph, Google ADK, or LangChain agents into a self-hosted FastAPI service.
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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 WebsiteWho should pick which
- Solo founder building a custom customer support agentPick: Idun Agent Platform
You can prototype with LangGraph and deploy as a FastAPI service with one command, including chat UI, guardrails, and memory—no per-execution fees. Self-hosted keeps costs low and avoids vendor lock-in.
- AI engineer building a RAG pipeline over news articlesPick: Spider Cloud
Spider's Rust engine crawls thousands of pages fast and cheaply, outputs markdown/JSON, and with the scraper catalog you can get started immediately. The pay-as-you-go pricing fits variable scraping loads.
- CTO evaluating alternatives to managed agent platformsPick: Idun Agent Platform
Idun provides production guardrails (PII, budget, MCP governance), OIDC auth, and OpenTelemetry observability—all self-hosted without per-execution costs. Ideal for teams wanting control over infrastructure and cost.
- Developer needing to scrape dynamic websites for an AI agentPick: Spider Cloud
Spider's Browser AI commands (Act, Extract, Observe) let the agent interact with pages via WebSocket, and the stealth unblocker handles anti-bot measures. The two-phase AI extraction fallback ensures reliability.
- Platform engineer integrating multiple LLMs and memoryPick: Idun Agent Platform
Idun supports Claude, OpenAI, Gemini, Mistral, Cohere, and vLLM, with Postgres/Redis for memory. It also integrates with Langfuse, Phoenix, and Arize for tracing—all from a single command.
Frequently Asked Questions
Idun Agent Platform vs Spider Cloud: which should you choose?
Idun Agent Platform is for teams building custom agent infrastructure who want self-hosted control and no per-execution fees. Spider Cloud is for AI/ML engineers who need fast, cheap web data for RAG or LLM-powered agents. Choose Idun if you own the agent pipeline and want to deploy it in production; choose Spider if your bottleneck is getting web data into your agents.
Can I use Idun Agent Platform without LangGraph or ADK?
Idun is specifically designed for LangGraph, Google ADK, and LangChain agents. If you use another agent framework, it may not be a good fit.
Does Spider Cloud support proxy rotation?
Yes, Spider Cloud includes an unblocker with rotating proxies and automatic retries to avoid detection.
Is Idun Agent Platform truly free?
Idun is open-source (GPL 3.0) and self-hosted, so there is no licensing fee. You pay for your own infrastructure (servers, databases).
Can Spider Cloud output JSON directly?
Yes, Spider Cloud supports structured output including JSON, JSONL, CSV, XML, and markdown among others.
Recent Spider Cloud updates?
In March 2026, Spider added Browser AI commands (Act, Extract, Observe), a scraper catalog with 1,000+ examples, and data connectors for S3, GCS, Sheets, Azure Blob, and Supabase.
Does Idun have a built-in chat UI?
Yes, Idun ships with a demo chat UI and admin panel out of the box, so you can test your agent immediately after deployment.
Which tool is better for non-technical users?
Neither is ideal for non-technical users. Idun requires Python and agent framework experience. Spider requires some API familiarity, though its catalog helps.
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Last reviewed: July 5, 2026