The Clay alternative Stop filling in tables.
Agents that build their own tools and run themselves. Free. Open source.
You run it vs it runs itself
Clay
EXTREMELY
48,210 actions today1 time you stepped in
What runs
Side by side
| EXTREMELY | Clay | |
|---|---|---|
| Steps decided by | The agent | You design the table or play |
| Missing integration | ✓ Builds it itself | You set up an HTTP API column |
| Work covered | Sales, support, finance and more | Go-to-market data and plays |
| AI | Your plan, keys or local model | Clay credits or your own API key |
| Billed by | Nothing, it's free | Actions and data credits |
| Price | Free | Free plan; Launch $167/mo billed yearly |
Clay details from clay.com, checked 5 November 2026.
Pick the right one
Clay if
- 150+ data providers in one place
- Waterfall enrichment built in
- Unlimited seats, even on Free
EXTREMELY if
- You want an outcome, not a table
- Agents working all night, unattended
- Running on the AI you already pay for
Questions
Is EXTREMELY a free Clay alternative? Yes. Open source (AGPL-3.0), runs on your own computer, on the AI you already have. Optional hosting is US$399 a year.
What's the difference between Clay and EXTREMELY? Clay enriches the tables you set up with data and AI columns. EXTREMELY runs autonomous agents with a job and a schedule that pick their own steps and build the tools they're missing.
Can I use Clay and EXTREMELY together? Yes. The Agency Engineer can build an HTTP tool so a sales agent can work with the Clay setup you already have.