primitive vs Vast.ai
Which Agents AI tool is better in 2026?
primitive
Communication infrastructure that lets autonomous agents talk to humans and to each other.
Vast.ai
Agent-ready GPU infrastructure for AI, offering API-native provisioning, real-time pricing, and per-second billing.
Side-by-side
primitive is the more established option (raised $500K), but Vast.ai is cheaper to start.
| Metric | primitive | Vast.ai |
|---|---|---|
| Taglinei | Communication infrastructure that lets autonomous agents talk to humans and to each other. | Agent-ready GPU infrastructure for AI, offering API-native provisioning, real-time pricing, and per-second billing. |
| Foundedi | 2026🏆 | — |
| HQi | San Francisco, US | — |
| Employeesi | — | — |
| Neuron scorei | 43🏆 | 16 |
| Total fundingi | $500K🏆 | Undisclosed |
| Latest roundi | Seed · Mar 2026 | — |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | —🏆 |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Clusters · Contact sales |
| Pricing summaryi | Usage-based | 3 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for primitive and Vast.ai.
| Capability | primitive | Vast.ai |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 3 (Node.js, Python, Go) | 1 (Python) |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of primitive
- Has raised more capital ($500K vs Undisclosed)
- Higher Neuron score (43 vs 16)
- Newer company (2026)
🔵 Strengths of Vast.ai
- Lower starting price ($5/mo)
Which should you choose?
Choose Vast.ai if price matters most — it starts at Paid · From $5/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 primitive if you want the most established option — it has raised $500K, 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
primitive vs Vast.ai — which is better?
It depends on your priority. primitive has raised more capital and is the more established option; Vast.ai is cheaper to start. See the side-by-side table above.
Is primitive cheaper than Vast.ai?
No — Vast.ai's cheapest paid plan is Paid · From $5/mo, while primitive's is Usage-based.
Do primitive and Vast.ai offer free plans?
primitive: Paid only. Vast.ai: Paid only.
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