Harvey vs Mabl
Which Developer Tools AI tool is better in 2026?
Harvey
The AI platform for elite law firms.
Mabl
Low-code intelligent test automation for web, mobile, and API.
Side-by-side
Harvey leads on both fronts — more capital raised ($1.7B) and a lower entry price than Mabl.
| Metric | Harvey | Mabl |
|---|---|---|
| Taglinei | The AI platform for elite law firms. | Low-code intelligent test automation for web, mobile, and API. |
| Foundedi | 2022 | 2017🏆 |
| HQi | San Francisco, US | US |
| Employeesi | 201-500🏆 | — |
| Neuron scorei | 74🏆 | 42 |
| Total fundingi | $1.7B🏆 | $76.1M |
| Latest roundi | Growth · Mar 2026 | Series C · Nov 2021 |
| Valuationi | $11B🏆 | — |
| Cheapest paid plani | —🏆 | From $500/mo |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Paid · From $500/mo |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Harvey and Mabl.
| Capability | Harvey | Mabl |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 3 (JavaScript, Python, Java) |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Harvey
- Has raised more capital ($1.7B vs $76.1M)
- Higher Neuron score (74 vs 42)
- Newer company (2022)
🔵 Strengths of Mabl
- More mature (2017)
Which should you choose?
Choose Harvey if price matters most — it starts at Paid, which is friendlier for teams watching burn. Both AI Developer Tools 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 $1.7B, 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 Mabl — which is better?
It depends on your priority. Harvey has raised more capital and is the more established option; Mabl has broader feature depth. See the side-by-side table above.
Is Harvey cheaper than Mabl?
Yes — Harvey's cheapest paid plan is Paid, while Mabl's is Paid · From $500/mo.
Do Harvey and Mabl offer free plans?
Harvey: Paid only. Mabl: Paid only.
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