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 We keep these honest — if something here is out of date, tell us and we'll fix it.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.