AgentPhone vs Cognition
Which Agents AI tool is better in 2026?
AgentPhone
Phone numbers for AI agents — voice and messaging through one unified API.
Cognition
Applied AI lab building Devin, the AI software engineer.
Side-by-side
Cognition leads on both fronts — more capital raised ($2.5B) and a lower entry price than AgentPhone.
| Metric | AgentPhone | Cognition |
|---|---|---|
| Taglinei | Phone numbers for AI agents — voice and messaging through one unified API. | Applied AI lab building Devin, the AI software engineer. |
| Foundedi | 2026 | 2023🏆 |
| HQi | San Francisco, US | San Francisco, US |
| Employeesi | 1-10 | 11-50🏆 |
| Neuron scorei | 48 | 70🏆 |
| Total fundingi | $500K | $2.5B🏆 |
| Latest roundi | Seed · Mar 2026 | Series D · May 2026 |
| Valuationi | — | $26B🏆 |
| Cheapest paid plani | Pricing not disclosed | Pro · $20/mo🏆 |
| Free plani | ✗ | ✓ Free |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Max · $200/mo |
| Pricing summaryi | Usage-based | 5 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for AgentPhone and Cognition.
| Capability | AgentPhone | Cognition |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | 2 (Python, Node.js) | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of AgentPhone
- Newer company (2026)
🔵 Strengths of Cognition
- Has raised more capital ($2.5B vs $500K)
- Higher Neuron score (70 vs 48)
- Offers a free plan
- Lower starting price ($500/mo)
Which should you choose?
Choose Cognition if price matters most — it starts at Free · From $500/mo, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Cognition if you want the most established option — it has raised $2.5B, 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.
💸 Deals
Try Devin with starter credits
Cognition's Devin offers a starter pack of ACU credits on signup so you can test the autonomous engineer on real tasks.
Terms: Credit amount varies by program.
Frequently asked questions
AgentPhone vs Cognition — which is better?
It depends on your priority. AgentPhone is the leaner option; Cognition is cheaper to start. See the side-by-side table above.
Is AgentPhone cheaper than Cognition?
No — Cognition's cheapest paid plan is Pro · $20/mo, while AgentPhone's is Usage-based.
Do AgentPhone and Cognition offer free plans?
AgentPhone: Paid only. Cognition: Yes, has a free plan.
Explore more AI Agents tools
Contextual paths to related AI startups, deals and rankings.