Ciroos vs Phoebe
Which Observability AI tool is better in 2026?
Ciroos
Multi-domain AI SRE teammate that automates and augments operations and incident response
Phoebe
Building an AI-driven immune system for software, using swarms of AI agents that continuously
Side-by-side
Ciroos is the more established option (raised $21M); pricing is comparable on both sides.
| Metric | Ciroos | Phoebe |
|---|---|---|
| Taglinei | Multi-domain AI SRE teammate that automates and augments operations and incident response | Building an AI-driven immune system for software, using swarms of AI agents that continuously |
| Foundedi | 2025 | 2024🏆 |
| HQi | San Jose, US | — |
| Employeesi | 11-50 | 11-50🏆 |
| Neuron scorei | 58🏆 | 52 |
| Total fundingi | $21M🏆 | $17M |
| Latest roundi | Seed · Jun 2025 | Seed |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free trial | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Ciroos and Phoebe.
| Capability | Ciroos | Phoebe |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Ciroos
- Has raised more capital ($21M vs $17M)
- Higher Neuron score (58 vs 52)
- Newer company (2025)
🔵 Strengths of Phoebe
- Offers a free plan
- More mature (2024)
Which should you choose?
Choose Phoebe if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Observability tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Ciroos if you want the most established option — it has raised $21M, 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
Ciroos vs Phoebe — which is better?
It depends on your priority. Ciroos has raised more capital and is the more established option; Phoebe has broader feature depth. See the side-by-side table above.
Is Ciroos cheaper than Phoebe?
No — Phoebe's cheapest paid plan is Free, while Ciroos's is Free trial.
Do Ciroos and Phoebe offer free plans?
Ciroos: Free trial only. Phoebe: Yes, has a free plan.
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