Inferact vs Oumi
Which Open Source AI AI tool is better in 2026?
Inferact
Commercial inference engine from the creators of vLLM
Oumi
The unconditionally open platform to build, train and deploy custom AI models
Side-by-side
Inferact is the more established option (raised $150M), but Oumi is cheaper to start.
| Metric | Inferact | Oumi |
|---|---|---|
| Taglinei | Commercial inference engine from the creators of vLLM | The unconditionally open platform to build, train and deploy custom AI models |
| Foundedi | 2025 | 2024🏆 |
| HQi | San Francisco, US | Seattle, United States |
| Employeesi | 1-10🏆 | — |
| Neuron scorei | 73🏆 | 70 |
| Total fundingi | $150M🏆 | $10M |
| Latest roundi | Seed · Jan 2026 | Seed · Jan 2025 |
| Valuationi | $800M🏆 | — |
| Cheapest paid plani | Pricing not disclosed | From $25/mo🏆 |
| Free plani | ✓ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Open source | Free · From $25/mo |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Inferact and Oumi.
| Capability | Inferact | Oumi |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 1 (Python) |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Inferact
- Has raised more capital ($150M vs $10M)
- Higher Neuron score (73 vs 70)
- Newer company (2025)
🔵 Strengths of Oumi
- Offers a free trial
- Lower starting price ($25/mo)
- More mature (2024)
Which should you choose?
Choose Oumi if price matters most — it starts at Free · From $25/mo, which is friendlier for teams watching burn. Both Open Source AI tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Inferact if you want the most established option — it has raised $150M, 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
Inferact vs Oumi — which is better?
It depends on your priority. Inferact has raised more capital and is the more established option; Oumi is cheaper to start. See the side-by-side table above.
Is Inferact cheaper than Oumi?
No — Oumi's cheapest paid plan is Free · From $25/mo, while Inferact's is Open source.
Do Inferact and Oumi offer free plans?
Inferact: Yes, has a free plan. Oumi: Yes, has a free plan.
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