Harvey vs Lambda
Which Developer Platforms AI tool is better in 2026?
Harvey
The AI platform for elite law firms.
Lambda
GPU cloud for AI teams
Side-by-side
| Harvey | Lambda | |
|---|---|---|
| Tagline | The AI platform for elite law firms. | GPU cloud for AI teams |
| Founded | 2022 | 2012 |
| HQ | San Francisco, US | San Francisco, US |
| Employees | 201-500 | 500-1000 |
| Total funding | $1.5B | $2.0B |
| Latest round | Series F · Mar 2026 | Series E · Nov 2025 |
| Valuation | $11B | $4B |
| Cheapest paid plan | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Top tier price | Enterprise · Contact sales | 1-Click Clusters · Contact sales |
| Pricing summary | 1 published plans | 3 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Harvey and Lambda.
| Capability | Harvey | Lambda |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 1 (Python) |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Harvey
- Higher Neuron score (78 vs 54)
- Newer company (2022)
🔵 Strengths of Lambda
- Has raised more capital ($2.0B vs $1.5B)
- More mature (2012)
- Verified profile
Which should you choose?
Choose Harvey if price matters most — it starts at Paid, which is friendlier for teams watching burn. Both AI Developer Platforms tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Lambda if you want the most established option — it has raised $2.0B, 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 Lambda — which is better?
It depends on your priority. Harvey is the leaner option; Lambda has broader feature depth. See the side-by-side table above.
Is Harvey cheaper than Lambda?
Yes — Harvey's cheapest paid plan is Paid, while Lambda's is Enterprise · Contact sales.
Do Harvey and Lambda offer free plans?
Harvey: Paid only. Lambda: Paid only.
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