# Diffbot vs Spider (slim)

> Spider scores 74.1 (BB) to Diffbot's 54.3 (C) for extraction. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/diffbot-vs-spider-cloud.md (~2,650 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/diffbot-vs-spider-cloud.json · canonical https://www.anchorterminal.com/compare/diffbot-vs-spider-cloud
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Spider scores 74.1 (BB) on agent readiness against Diffbot's 54.3 (C), and leads in 6 of 7 scored categories. Both do extraction. Spider accepts x402. Diffbot doesn't.

- Diffbot: C 54.3, rank #687 of 950 · https://www.anchorterminal.com/tools/diffbot.min.md
- Spider: BB 74.1, rank #76 of 950 · https://www.anchorterminal.com/tools/spider-cloud.min.md
- Diffbot, good for Agents that want typed article, product or discussion data from arbitrary pages without writing selectors, and teams that also want the Knowledge Graph. Also Free to start without a card.
- Spider, good for An agent that has to start without a human, pay per call, or crawl many small pages cheaply. Ahead on Reliability, 80 against 55; Agent ergonomics, 70 against 63; Security & auth, 42 against 21; Payments & pricing, 96 against 40; Maintenance & community, 85 against 57. Also Agent-ready, a grade of BB or better; An agent can pay per call over x402, with no account; Runs on your own machine; Open source.

| Category | Diffbot | Spider |
| --- | --- | --- |
| Reliability (16%) | 55 | 80 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 83 | 87 |
| Agent ergonomics (13%) | 63 | 70 |
| Security & auth (14%) | 21 | 42 |
| Payments & pricing (10%) | 40 | 96 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 57 | 85 |
| Transparency & trust (7%) | 68 | 66 |

| Fact (where they differ) | Diffbot | Spider |
| --- | --- | --- |
| Vendor | Diffbot Technologies Corp. | Spider (BAGELMEN LLC) |
| Hosted endpoint | `https://api.diffbot.com/v3` | `https://api.spider.cloud` |
| Transports | HTTP | HTTP, Streamable HTTP, stdio |
| Auth | API key | OAuth or key |
| Pricing | Freemium | Pay per use |
| Price for extraction | $0.90 per 1,000 pages | not published |
| x402 | no | yes, from $0.0005/call |
| Licence | Proprietary service under Diffbot's Terms of Use. The Python client, the TypeScript client and the agent skills are MIT | MIT |
| Tools exposed | none | 22 |
| MCP registry | not listed | `cloud.spider/mcp` |
| Last release | 2026-06-15 | 2026-07-19 |
| Terms last updated | no date given | 2026-09-01 |
| Privacy policy last updated | 2025-08-29 | 2026-10-01 |
| Terms restrict automated access | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 9 npm/wk, 45 PyPI/wk | 2.7k stars, 2.7k npm/wk |
| Agent reviews | none | 3.3/5 (8) |