Harvey vs Thunder Code
Which Developer Tools AI tool is better in 2026?
Harvey
The AI platform for elite law firms.
Thunder Code
AI-native software testing that anyone can run from the browser
Side-by-side
Harvey leads on both fronts — more capital raised ($1.7B) and a lower entry price than Thunder Code.
| Metric | Harvey | Thunder Code |
|---|---|---|
| Taglinei | The AI platform for elite law firms. | AI-native software testing that anyone can run from the browser |
| Foundedi | 2022🏆 | 2025 |
| HQi | San Francisco, US | Paris, FR |
| Employeesi | 201-500🏆 | 11-50 |
| Neuron scorei | 82🏆 | 56 |
| Total fundingi | $1.7B🏆 | $9M |
| Latest roundi | Growth · Mar 2026 | Seed · Jun 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 Thunder Code.
| Capability | Harvey | Thunder Code |
|---|---|---|
| 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 $9M)
- Higher Neuron score (82 vs 56)
- More mature (2022)
🔵 Strengths of Thunder Code
- Offers a free plan
- Offers a free trial
- Newer company (2025)
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 Thunder Code — which is better?
It depends on your priority. Harvey has raised more capital and is the more established option; Thunder Code has broader feature depth. See the side-by-side table above.
Is Harvey cheaper than Thunder Code?
Yes — Harvey's cheapest paid plan is Paid, while Thunder Code's is Free.
Do Harvey and Thunder Code offer free plans?
Harvey: Paid only. Thunder Code: Yes, has a free plan.
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