Astraea vs Lassie
Which Agents AI tool is better in 2026?
Astraea
Agents that compress clinical trial biometrics from months to days.
Lassie
AI agents that run the back office of small businesses end-to-end
Side-by-side
Lassie is the more established option (raised $47M); pricing is comparable on both sides.
| Metric | Astraea | Lassie |
|---|---|---|
| Taglinei | Agents that compress clinical trial biometrics from months to days. | AI agents that run the back office of small businesses end-to-end |
| Foundedi | 2025 | 2024🏆 |
| HQi | San Francisco, US | San Francisco, US |
| Employeesi | 1-10 | 11-50🏆 |
| Neuron scorei | 48 | 59🏆 |
| Total fundingi | $500K | $47M🏆 |
| Latest roundi | Seed · Mar 2026 | Series A · Jun 2026 |
| Valuationi | — | — |
| Cheapest paid plani | — | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Astraea and Lassie.
| Capability | Astraea | Lassie |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Astraea
- Newer company (2025)
🔵 Strengths of Lassie
- Has raised more capital ($47M vs $500K)
- Higher Neuron score (59 vs 48)
- Offers a free plan
- Offers a free trial
Which should you choose?
Choose Lassie if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Lassie if you want the most established option — it has raised $47M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Astraea vs Lassie — which is better?
It depends on your priority. Astraea is the leaner option; Lassie has broader feature depth. See the side-by-side table above.
Is Astraea cheaper than Lassie?
No — Lassie's cheapest paid plan is Free, while Astraea's is Contact-sales.
Do Astraea and Lassie offer free plans?
Astraea: Paid only. Lassie: Yes, has a free plan.
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