TL;DR: If you are replacing Epsilon3, the closest options are Operand, Holy Grail, Plutis. 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 Epsilon3 (YC Summer 2021).
Last verified:
The three closest alternatives to Epsilon3 are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Operand | — | YC Winter 2025 | 8 | Active |
| Holy Grail | — | YC Summer 2019 | 7 | Active |
| Plutis | — | YC Winter 2023 | 2 | Active |
| Demospace | — | YC Winter 2023 | 2 | Inactive |
| Hey Healthcare | — | YC Summer 2019 | 1 | Inactive |
| Eivod | — | YC Summer 2007 | 51 | Inactive |
| Vellum | — | YC Winter 2023 | 23 | Active |
| Lightwell | — | YC Summer 2019 | 4 | Inactive |
| Stackq | — | YC Summer 2009 | — | Inactive |
| BitSample | — | YC Winter 2008 | — | Inactive |
| Walter | AI Employee for Manufacturing Operations | YC Spring 2026 | — | Active |
| Stitch Technologies | - | YC Winter 2024 | — | Inactive |
It depends on your size. Operand is the closest match on what Epsilon3 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.
Epsilon3 is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
Every company here is Y Combinator-backed and was matched to Epsilon3 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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