toolspool

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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

Google Opal logo
Google Opal
✓ verifiedFree

Google Labs experiment for building and sharing AI mini-apps from natural-language prompts, no coding required.

2.1M visits/mo
Clay logo
Clay
✓ verifiedFreemium

A GTM data and automation platform that enriches records from 200+ providers and runs AI agent workflows for outbound sales.

1.5M visits/mo2.0K saves
ComfyUI logo
ComfyUI
✓ verifiedFreemium

Open-source node-based engine for visual AI, giving pros granular control to build image, video, and 3D generation workflows.

3.3M visits/mo
Pricing

No public pricing

No public pricing

Free trial available

Standard: $20/mo (4,200 credits)
Creator: $35/mo (7,400 credits)
Pro: $100/mo (21,100 credits)
Core features
  • Build AI mini-apps from natural-language prompts
  • Visual editor for prompt/tool workflows
  • Share created apps with others
  • No-code AI app prototyping
  • Data enrichment waterfall (200+ providers)
  • AI research agents (Claygents)
  • Buying signals and intent tracking
  • Native outbound sequencer
  • CRM enrichment and ad audience sync
  • API/CLI and integrations (Salesforce, MCP)
  • Node-based workflow canvas
  • Simplified App Mode view
  • Community workflow templates and hub
  • Comfy Desktop (local) and Comfy Cloud
  • Comfy API for production endpoints
  • 60,000+ nodes and many models
Use cases
  • Prototyping an AI workflow quickly
  • Sharing a custom AI mini-app
  • Automating a task with chained prompts
  • Building and enriching prospect lists
  • Automating outbound campaigns
  • Keeping CRM data clean
  • Lead scoring and TAM sourcing
  • Building custom image/video/3D pipelines
  • VFX, advertising, gaming, and ecommerce content
  • Running workflows on cloud GPUs
  • Deploying workflows as production APIs
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