Hazel vs Stack AI
Which Form & Workflow AI tool is better in 2026?
Hazel
AI procurement software for government
Stack AI
No-code platform for enterprise AI agents and forms
Side-by-side
Stack AI leads on both fronts — more capital raised ($16.6M) and a lower entry price than Hazel.
| Metric | Hazel | Stack AI |
|---|---|---|
| Taglinei | AI procurement software for government | No-code platform for enterprise AI agents and forms |
| Foundedi | 2024 | 2023🏆 |
| HQi | San Francisco, United States | New York, US |
| Employeesi | 15🏆 | 11-50 |
| Neuron scorei | 62 | 76🏆 |
| Total fundingi | Undisclosed | $16.6M🏆 |
| Latest roundi | Seed | Series A · Oct 2024 |
| Valuationi | — | —🏆 |
| Cheapest paid plani | Pricing not disclosed | From $99/mo🏆 |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Custom | Free · From $99/mo |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Hazel and Stack AI.
| Capability | Hazel | Stack AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of Hazel
- Newer company (2024)
🔵 Strengths of Stack AI
- Has raised more capital ($16.6M vs Undisclosed)
- Higher Neuron score (76 vs 62)
- Offers a free plan
- Offers a free trial
Which should you choose?
Choose Stack AI if price matters most — it starts at Free · From $99/mo, which is friendlier for teams watching burn. Both Form & Workflow tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Stack AI if you want the most established option — it has raised $16.6M, 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.
💸 Deals
Stack AI — 14-day free trial
Try Stack AI free for 14 days — drag-and-drop builder for LLM workflows, RAG, and AI agents with enterprise connectors.
Frequently asked questions
Hazel vs Stack AI — which is better?
It depends on your priority. Hazel is the leaner option; Stack AI is cheaper to start. See the side-by-side table above.
Is Hazel cheaper than Stack AI?
No — Stack AI's cheapest paid plan is Free · From $99/mo, while Hazel's is Custom.
Do Hazel and Stack AI offer free plans?
Hazel: Paid only. Stack AI: Yes, has a free plan.
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