Harvey vs Mad Street Den
Which Productivity AI tool is better in 2026?
Harvey
The AI platform for elite law firms.
Mad Street Den
The only AI stack you will ever need, delivering obsessively on enterprise business outcomes.
Side-by-side
| Harvey | Mad Street Den | |
|---|---|---|
| Tagline | The AI platform for elite law firms. | The only AI stack you will ever need, delivering obsessively on enterprise business outcomes. |
| Founded | 2022 | — |
| HQ | San Francisco, US | — |
| Employees | 201-500 | — |
| Total funding | $1.5B | Undisclosed |
| Latest round | Series F · Mar 2026 | — |
| Valuation | $11B | — |
| Cheapest paid plan | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Top tier price | Enterprise · Contact sales | Enterprise · Contact sales |
| Pricing summary | 1 published plans | 1 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Harvey and Mad Street Den.
| Capability | Harvey | Mad Street Den |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Harvey
- Has raised more capital ($1.5B vs Undisclosed)
- Higher Neuron score (78 vs 12)
- Newer company (2022)
🔵 Strengths of Mad Street Den
- Strong in AI Productivity
Which should you choose?
Choose Harvey if price matters most — it starts at Paid, which is friendlier for teams watching burn. Both AI Productivity tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Harvey if you want the most established option — it has raised $1.5B, 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
Harvey vs Mad Street Den — which is better?
It depends on your priority. Harvey has raised more capital and is the more established option; Mad Street Den has broader feature depth. See the side-by-side table above.
Is Harvey cheaper than Mad Street Den?
Yes — Harvey's cheapest paid plan is Paid, while Mad Street Den's is Enterprise · Contact sales.
Do Harvey and Mad Street Den offer free plans?
Harvey: Paid only. Mad Street Den: Paid only.
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