Ollama vs RadixArk
Which Infrastructure AI tool is better in 2026?
Ollama
The easiest way to run open LLMs locally and in the cloud
RadixArk
Open infrastructure for frontier AI, built on SGLang
Side-by-side
RadixArk is the more established option (raised $100M), but Ollama is cheaper to start.
| Metric | Ollama | RadixArk |
|---|---|---|
| Taglinei | The easiest way to run open LLMs locally and in the cloud | Open infrastructure for frontier AI, built on SGLang |
| Foundedi | 2023🏆 | 2025 |
| HQi | Palo Alto, United States | San Francisco, US |
| Employeesi | 20🏆 | 1-10 |
| Neuron scorei | 64 | 72🏆 |
| Total fundingi | Undisclosed | $100M🏆 |
| Latest roundi | seed | Seed · May 2026 |
| Valuationi | — | $400M🏆 |
| Cheapest paid plani | From $20/mo🏆 | Pricing not disclosed |
| Free plani | ✓ | ✓ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free · From $20/mo | Open source |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Ollama and RadixArk.
| Capability | Ollama | RadixArk |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 3 (Python, JavaScript, REST API) | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Ollama
- Offers a free trial
- Lower starting price ($20/mo)
- More mature (2023)
🔵 Strengths of RadixArk
- Has raised more capital ($100M vs Undisclosed)
- Higher Neuron score (72 vs 64)
- Newer company (2025)
Which should you choose?
Choose Ollama if price matters most — it starts at Free · From $20/mo, which is friendlier for teams watching burn. Both AI Infrastructure tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose RadixArk if you want the most established option — it has raised $100M, 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
Ollama vs RadixArk — which is better?
It depends on your priority. Ollama is the leaner option; RadixArk has broader feature depth. See the side-by-side table above.
Is Ollama cheaper than RadixArk?
Yes — Ollama's cheapest paid plan is Free · From $20/mo, while RadixArk's is Open source.
Do Ollama and RadixArk offer free plans?
Ollama: Yes, has a free plan. RadixArk: Yes, has a free plan.
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