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ClayBuild systems to grow revenue
vs
HaystackOpen-source framework and enterprise platform for AI agents and RAG applications.
Comparison · AI Agents · weekly run Nov 3

Clay vs Haystack

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Clay is the stronger AI pick in AI Agents: it has a visibility score of 0.7 versus 0 for Haystack.

Choose Clay if…

  • You want the brand AI engines rank higher (0.7 vs 0)
  • You need SOC 2 Type II or ISO 27001 or GDPR or CCPA coverage
  • You prefer a larger, established vendor (1,001–5,000 employees)

Choose Haystack if…

  • You need a self-hosted or on-premises option
  • You need SOC 2 Type 2 (vendor claim, not an independent report) coverage

AI visibility side by side

Latest weekly run · Nov 3

Metric Clay Haystack
Visibility score0.7%0%
Change vs last weekNewNew
Rank in AI Agents#65#76
Share of voice0.2%0%
Mentions this run10
Positive in AI answers33%—

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 3Clay 1%

Clay 0pp · Haystack 0pp over 0 weekly runs.

Engine by engine

Clay leads on 1 of 3 engines

ChatGPT
0%
0%
AI Mode
2%
0%
Perplexity
0%
0%
ClayHaystack

Head to head in AI answers

0 engine answers name both brands

0Clay ranked higher
0Haystack ranked higher

Features, pricing & fit

DimensionClayHaystack
Pricing modelUsage-based—
Entry priceFree; paid from $167 / mo—
Free planYes—
Deployment—Managed cloud, self-hosted, and sovereign or air-gapped environments, including STACKIT for sovereign European cloud
ComplianceSOC 2 Type II, ISO 27001, GDPR, CCPASOC 2 Type 2 (vendor claim, not an independent report)
SupportPriority support queue on Growth plan, Dedicated Slack channel on Enterprise plan, Dedicated growth strategist on Enterprise plan—
Founded20172018
HeadquartersNew York City, NY, United StatesBerlin, Germany
Employees1,001–5,00051–200
FundingSeries B ExpansionRound led by Balderton Capital, with GV, Harpoon, System.One and Lunar participating · $46M raised
Best forGTM engineers and revenue teams that build their own prospecting, enrichment and outbound workflows.Teams building AI agents and RAG applications with Python

Plans side by side

Clay

Free$0month
Launch$167month (starting price as shown; monthly from $185 per FAQ)
Growth$446month (starting price as shown; monthly from $495 per FAQ)
EnterpriseCustomcustom, annual commitment
Clay pricing

Haystack

Pricing not available.

Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

Cite as: SlateIndex, “Clay vs Haystack”, https://slateindex.ai/compare/clay-vs-haystack, data of Nov 3, 2026. Licence: CC BY 4.0.