TL;DR: If you are replacing Retell AI, the closest options are Operand, Plutis, Demospace. 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 Retell AI (YC Winter 2024).
Last verified:
The three closest alternatives to Retell AI are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Operand | — | YC Winter 2025 | 8 | Active |
| Plutis | — | YC Winter 2023 | 2 | Active |
| Demospace | — | YC Winter 2023 | 2 | Inactive |
| Kestroll | — | YC Summer 2025 | 2 | Active |
| Hey Healthcare | — | YC Summer 2019 | 1 | Inactive |
| MadeThis | The autonomous business platform | YC Fall 2025 | 3 | Active |
| Iron Leap | Enteprise AI | YC Winter 2022 | 5 | Active |
| Overeasy | — | YC Summer 2024 | 2 | Active |
| Terrasoft | — | YC Winter 2020 | — | Active |
| Altur | Voice AI Agents for Debt Collection | YC Summer 2025 | 5 | Active |
| Hey Telo | Voice AI for Home Services | YC Winter 2025 | 2 | Active |
| Ecliptor | AI and Embeddings. | YC Winter 2024 | 2 | Active |
It depends on your size. Operand is the closest match on what Retell AI 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.
Retell AI 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 Retell AI 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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