Harvey vs Span
Which Developer Tools AI tool is better in 2026?
Harvey
The AI platform for elite law firms.
Span
Developer intelligence that tracks engineering time and the ROI of AI code
Side-by-side
Harvey leads on both fronts — more capital raised ($1.7B) and a lower entry price than Span.
| Metric | Harvey | Span |
|---|---|---|
| Taglinei | The AI platform for elite law firms. | Developer intelligence that tracks engineering time and the ROI of AI code |
| Foundedi | 2022🏆 | 2023 |
| HQi | San Francisco, US | San Francisco, US |
| Employeesi | 201-500🏆 | 11-50 |
| Neuron scorei | 82🏆 | 55 |
| Total fundingi | $1.7B🏆 | $25M |
| Latest roundi | Growth · Mar 2026 | Series A · Nov 2025 |
| Valuationi | $11B🏆 | — |
| Cheapest paid plani | —🏆 | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Harvey and Span.
| Capability | Harvey | Span |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Harvey
- Has raised more capital ($1.7B vs $25M)
- Higher Neuron score (82 vs 55)
- More mature (2022)
🔵 Strengths of Span
- Offers a free plan
- Offers a free trial
- Newer company (2023)
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 Span — which is better?
It depends on your priority. Harvey has raised more capital and is the more established option; Span has broader feature depth. See the side-by-side table above.
Is Harvey cheaper than Span?
Yes — Harvey's cheapest paid plan is Paid, while Span's is Free.
Do Harvey and Span offer free plans?
Harvey: Paid only. Span: Yes, has a free plan.
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