Clay
Waterfalls dozens of data providers and writes personalised sequences with AI.
Full Clay record →Head to head
Clay vs Surfer SEO
Clay (Clay) and Surfer SEO (Surfer) both sit in Marketing. Surfer SEO is the cheaper entry point at Free tier · from $49/mo. Clay shipped more tracked changes in the last 30 days (5 vs 3). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Clay Clay | Surfer SEO Surfer |
|---|---|---|
| Segment | Marketing | Marketing |
| Version | Workflows | 2026 platform |
| Entry cost | Free tier · from $149/mo | Free tier · from $49/mo |
| Pricing tiers | Free free · Starter $149 · Explorer $349 · Pro $800 | Discovery $49 · AI Search Analytics $82 · Standard $99 · Pro $182 · Peace of Mind $299 · Enterprise $999 |
| Model stack | ChatGPT · Claygent · Claygents · GLM 5.2 · GPT-4o · Kimi K2.6 · Sculptor AI | ChatGPT · Claude · Gemini · GPT-4 · Perplexity · Undisclosed frontier LLM |
| Context window | Not published | Not published |
| Public API | ||
| Routes models | ||
| Changes / 30d | 5 | 3 |
| Origin | Global | Global |
| Capabilities | Data waterfall, Claygent research agent, CRM sync, Signal triggers, Sequence writing, Data marketplace, Waterfall enrichment, Claygents (AI Agent) | Content score, SERP analyser, Outline builder, AI tracker, Auto-optimise, AI SEO Optimization, AI Writing Assistant (Surfy), AI Detector & Humanizer |
Surfer SEO
Scores and guides drafts against live SERP data before publishing.
Full Surfer SEO record →