Keploy vs Thunder Code
Which Developer Tools AI tool is better in 2026?
Keploy
Open-source AI testing agent that turns real API traffic into tests and mocks
Thunder Code
AI-native software testing that anyone can run from the browser
Side-by-side
Thunder Code is the more established option (raised $9M), but Keploy is cheaper to start.
| Metric | Keploy | Thunder Code |
|---|---|---|
| Taglinei | Open-source AI testing agent that turns real API traffic into tests and mocks | AI-native software testing that anyone can run from the browser |
| Foundedi | 2021🏆 | 2025 |
| HQi | San Francisco, United States | Paris, FR |
| Employeesi | — | 11-50🏆 |
| Neuron scorei | 67🏆 | 63 |
| Total fundingi | $1.3M | $9M🏆 |
| Latest roundi | Seed | Seed · Jun 2025 |
| Valuationi | — | — |
| Cheapest paid plani | From $24/mo🏆 | Pricing not disclosed |
| Free plani | ✓ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free · From $24/mo | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Keploy and Thunder Code.
| Capability | Keploy | Thunder Code |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Keploy
- Higher Neuron score (67 vs 63)
- Lower starting price ($24/mo)
- More mature (2021)
🔵 Strengths of Thunder Code
- Has raised more capital ($9M vs $1.3M)
- Offers a free trial
- Newer company (2025)
Which should you choose?
Choose Keploy if price matters most — it starts at Free · From $24/mo, 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 Thunder Code if you want the most established option — it has raised $9M, 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
Keploy vs Thunder Code — which is better?
It depends on your priority. Keploy is the leaner option; Thunder Code has broader feature depth. See the side-by-side table above.
Is Keploy cheaper than Thunder Code?
Yes — Keploy's cheapest paid plan is Free · From $24/mo, while Thunder Code's is Free.
Do Keploy and Thunder Code offer free plans?
Keploy: Yes, has a free plan. Thunder Code: Yes, has a free plan.
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