deepset vs Lassie
Which Agents AI tool is better in 2026?
deepset
Haystack framework and deepset Cloud for enterprise LLM apps
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), but deepset is cheaper to start.
| Metric | deepset | Lassie |
|---|---|---|
| Taglinei | Haystack framework and deepset Cloud for enterprise LLM apps | AI agents that run the back office of small businesses end-to-end |
| Foundedi | 2018🏆 | 2024 |
| HQi | Berlin, DE | San Francisco, US |
| Employeesi | 51-100🏆 | 11-50 |
| Neuron scorei | 82🏆 | 66 |
| Total fundingi | $45.6M | $47M🏆 |
| Latest roundi | Series B · Aug 2023 | Series A · Jun 2026 |
| Valuationi | —🏆 | — |
| Cheapest paid plani | Pricing not disclosed🏆 | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Enterprise · Contact sales | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for deepset and Lassie.
| Capability | deepset | Lassie |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 2 (python, rest) | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of deepset
- Higher Neuron score (82 vs 66)
- More mature (2018)
🔵 Strengths of Lassie
- Has raised more capital ($47M vs $45.6M)
- Offers a free plan
- Offers a free trial
- Newer company (2024)
Which should you choose?
Choose deepset if price matters most — it starts at Enterprise · Contact sales, 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
deepset vs Lassie — which is better?
It depends on your priority. deepset is the leaner option; Lassie has broader feature depth. See the side-by-side table above.
Is deepset cheaper than Lassie?
Yes — deepset's cheapest paid plan is Enterprise · Contact sales, while Lassie's is Free.
Do deepset and Lassie offer free plans?
deepset: Paid only. Lassie: Yes, has a free plan.
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