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C3 AIThe Agentic Operating System for Enterprise AI
vs
ClayBuild systems to grow revenue
Comparison · AI Agents · weekly run Nov 3

C3 AI vs Clay

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

The short answer

C3 AI is the stronger AI pick in AI Agents: it has a visibility score of 0.9 versus 0.7 for Clay.

Choose C3 AI if…

  • You want the brand AI engines rank higher (0.9 vs 0.7)
  • You need SOC 1 or SOC 2 or SOC 3 or FedRAMP or FedRAMP Moderate or FISMA or FIPS 140-2 or ITAR or HIPAA or PCI DSS Level 1 or DoD IL5 or DoD IL6 coverage
  • Enterprise-scale AI solutions

Choose Clay if…

  • You need SOC 2 Type II or ISO 27001 or GDPR or CCPA coverage

AI visibility side by side

Latest weekly run · Nov 3

Metric C3 AI Clay
Visibility score0.9%0.7%
Change vs last weekNewNew
Rank in AI Agents#59#65
Share of voice0.5%0.2%
Mentions this run31
Positive in AI answers—33%

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 3C3 AI 1%

C3 AI 0pp · Clay 0pp over 0 weekly runs.

Engine by engine

C3 AI leads on 2 of 3 engines

ChatGPT
0.9%
0%
AI Mode
0.9%
2%
Perplexity
0.9%
0%
C3 AIClay

Head to head in AI answers

0 engine answers name both brands

0C3 AI ranked higher
0Clay ranked higher

Features, pricing & fit

DimensionC3 AIClay
Pricing model—Usage-based
Entry price—Free; paid from $167 / mo
Free plan—Yes
DeploymentThe company says its platform runs across any infrastructure.—
ComplianceSOC 1, SOC 2, SOC 3, FedRAMP, FedRAMP Moderate, FISMA, FIPS 140-2, ITAR, HIPAA, PCI DSS Level 1, DoD IL5, DoD IL6SOC 2 Type II, ISO 27001, GDPR, CCPA
SupportCustomer Support Portal, 24/7 support line in customer contract, Email support@c3.aiPriority support queue on Growth plan, Dedicated Slack channel on Enterprise plan, Dedicated growth strategist on Enterprise plan
Founded20092017
HeadquartersRedwood City, CaliforniaNew York City, NY, United States
Employees1,001–5,0001,001–5,000
FundingIPOSeries B Expansion
Best forLarge operators in defense and intelligence, maritime, manufacturing, federal government, oil and gas, utilities and healthcare.GTM engineers and revenue teams that build their own prospecting, enrichment and outbound workflows.

Plans side by side

C3 AI

Pricing not available.

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

Pros and cons

Themes from the AI answers that mention each brand

C3 AI

  • Enterprise-scale AI solutions
  • Placed in ISG's Merit tier rather than top tiers

Clay

Profile in progress.

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

Cite as: SlateIndex, “C3 AI vs Clay”, https://slateindex.ai/compare/c3-ai-vs-clay, data of Nov 3, 2026. Licence: CC BY 4.0.