Instrumentl's matching is genuinely excellent, but at $299–$999/mo it's built for orgs running dozens of applications at once. If you're a small shop with a handful of grants in flight, Seek gives you AI matching and AI drafting for free, as part of a whole free suite.
| Seek · 501 Labs | Instrumentl | |
|---|---|---|
| Price | Free for nonprofits | $299–$999/mo |
| AI grant matching | Yes | Yes |
| AI application drafting | Yes | Yes (higher tiers) |
| Funder database | Yes | Yes, larger database |
| Best for | Small shops, a few grants at a time | High-volume grant teams |
| Price | Free for nonprofits | $299–$999/mo |
Comparison based on publicly available information as of June 2026. We keep these honest. If something here is out of date, tell us and we'll fix it.
Yes. Seek gives small nonprofits AI grant matching and drafting for free. Instrumentl has a larger funder database and suits high-volume grant teams; Seek fits small shops running a handful of grants at a time.
Yes. 501 Labs is itself a 501(c)(3), funded by donations and sponsorships, so Seek (and all four Blocks) are free for nonprofits, with no per-record or per-seat fees.
Yes. Start free, import your data, and run both side by side until you're comfortable. Seek is free, so there's nothing to lose by trying it.