Ona vs Stably AI
Which Coding AI tool is better in 2026?
Ona
Mission-control for AI software engineering agents in secure cloud environments
Stably AI
AI QA engineer that writes and self-heals Playwright tests from plain English
Side-by-side
Ona is the more established option (raised $41M), but Stably AI is cheaper to start.
| Metric | Ona | Stably AI |
|---|---|---|
| Taglinei | Mission-control for AI software engineering agents in secure cloud environments | AI QA engineer that writes and self-heals Playwright tests from plain English |
| Foundedi | 2020🏆 | 2022 |
| HQi | Germany | San Francisco, United States |
| Employeesi | — | 4🏆 |
| Neuron scorei | 72🏆 | 62 |
| Total fundingi | $41M🏆 | Undisclosed |
| Latest roundi | Series A · Nov 2022 | — |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | From $39/mo🏆 |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Custom | Free · From $39/mo |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Ona and Stably AI.
| Capability | Ona | Stably AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✓ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Ona
- Has raised more capital ($41M vs Undisclosed)
- Higher Neuron score (72 vs 62)
- More mature (2020)
🔵 Strengths of Stably AI
- Offers a free plan
- Offers a free trial
- Lower starting price ($39/mo)
- Newer company (2022)
Which should you choose?
Choose Stably AI if price matters most — it starts at Free · From $39/mo, which is friendlier for teams watching burn. Both AI Coding tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Ona if you want the most established option — it has raised $41M, 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
Ona vs Stably AI — which is better?
It depends on your priority. Ona has raised more capital and is the more established option; Stably AI is cheaper to start. See the side-by-side table above.
Is Ona cheaper than Stably AI?
No — Stably AI's cheapest paid plan is Free · From $39/mo, while Ona's is Custom.
Do Ona and Stably AI offer free plans?
Ona: Paid only. Stably AI: Yes, has a free plan.
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