TL;DR: If you are replacing BillionToOne, the closest options are Biocogniv, Docbot, Kenota (formerly ExVivo Labs). The table below compares 12 alternatives on what they do, stage, size and status.
Every alternative below is compared on what it actually does, not just its category — so you can see which one genuinely replaces BillionToOne (YC Summer 2017).
Last verified:
The three closest alternatives to BillionToOne are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Biocogniv | — | YC Summer 2020 | 6 | Acquired |
| Docbot | — | YC Winter 2019 | — | Acquired |
| Kenota (formerly ExVivo Labs) | Kenota is revolutionizing the way we test for disease | YC Summer 2016 | 35 | Inactive |
| Mind Emulation Foundation | — | YC Winter 2018 | 1 | Active |
| Luminist Labs | Diagnostic platform for early detection of liver disease | YC Winter 2016 | 2 | Acquired |
| Verifiable | API for healthcare compliance | YC Summer 2020 | 12 | Active |
| Zergo | We make a urine test that helps women get pregnant. | YC Summer 2019 | 9 | Inactive |
| Excepgen | — | YC Winter 2019 | 3 | Active |
| Nuntius Therapeutics | Cell-specific genetic medicines | YC Winter 2021 | 2 | Active |
| Simple Strips | Low-cost blood glucose test strips scanned with a smartphone camera… | YC Winter 2020 | 2 | Inactive |
| Bristle | At-home oral health testing, coaching & care | YC Winter 2021 | 6 | Active |
| LSK Technologies | A diagnostic lab in a box | YC Summer 2020 | 2 | Acquired |
It depends on your size. Biocogniv is the closest match on what BillionToOne actually does. If you need something more established, sort the table by team size — larger teams generally mean more support and a longer track record. If budget is the constraint, the earlier-batch companies are usually the ones still competing on price.
BillionToOne is a public company. Expect enterprise pricing and procurement, which is why smaller teams look at the alternatives above.
Every company here is Y Combinator-backed and was matched to BillionToOne on what it actually does — its own description of its product — rather than on a broad category label. Batch, team size and operating status come from the YC directory and are shown as-is. We do not rank by payment.
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