Clay vs Vast.ai

Side-by-side comparison to help you choose the best tool.

Clay

freemium

4.7 / 5.0

Clay is a modern GTM (go-to-market) data enrichment and outreach platform that combines 75+ data providers with an AI research agent called Claygent. It lets sales and growth teams build hyper-personalised outreach at scale by automatically enriching lead lists with company news, job changes, tech stack data, and LinkedIn activity - then using AI to write tailored messages for each prospect.

Best for: GTM engineers and sales teams building highly personalised outbound campaigns with automated AI research

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Vast.ai

freemium

4.1 / 5.0

Vast.ai is a decentralised GPU marketplace that connects AI researchers and developers with GPU compute sourced from a global network of independent providers - including data centres and individuals with spare GPU capacity - at prices significantly lower than traditional cloud providers. Users can search, filter, and rent GPU instances by price, location, reliability score, and hardware specifications, making it one of the most cost-practical options for AI training and inference. Vast.ai supports Docker-based workloads and offers both on-demand and interruptible instance types.

Best for: Cost-conscious AI researchers, hobbyists, and startups who prioritise price over guaranteed uptime for training and experimentation.

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Feature Comparison

Feature	Clay	Vast.ai
Pricing	freemium	freemium
Category	-	-
Rating	★★★★½ 4.7	★★★★☆ 4.1
Best For	GTM engineers and sales teams building highly personalised outbound campaigns with automated AI research	Cost-conscious AI researchers, hobbyists, and startups who prioritise price over guaranteed uptime for training and experimentation.
Views	5	4

Pros & Cons — Clay

Pros

Unmatched data enrichment depth
Automates hours of manual prospect research
Flexible no-code table interface

Cons

Steep learning curve for new users
Credit-based pricing can add up quickly

Pros & Cons — Vast.ai

Pros

Among the cheapest GPU compute available anywhere
Large inventory of diverse GPU types including rare models
Transparent provider reliability scores help with vendor selection

Cons

Provider reliability varies — not suitable for critical production workloads
Less polished UX compared to managed cloud platforms

Key Features — Clay

Claygent AI research agent
75+ data enrichment sources
AI-generated personalised outreach
Waterfall enrichment logic
CRM & sequencer integrations

Key Features — Vast.ai

Decentralised GPU marketplace with global providers
Advanced filtering by price, GPU type, reliability, and location
Interruptible and on-demand instance types
Docker container support for any workload
Significantly lower prices than major cloud providers

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