21st Agents SDK vs Aspect Build vs Bazel vs Make
| Attribute | ||||
|---|---|---|---|---|
| Category | Developer Tools | Developer Tools | Developer Tools | AI & Automation |
| Pricing | Paid | Free tier | Free tier | Free tier |
| Starting price | $6/month | — | Free | $10.59/month |
| Free tier | No | Yes | Yes | Yes |
| Free trial | No | No | No | No |
| Deployment | — | — | — | — |
| API available | Unknown | Unknown | Unknown | Unknown |
| Platforms | — | — | — | — |
| Certifications | — | — | — | — |
| Integrations | 1 | 1 | — | 7 |
| Company | — | — | — | Founded 2012 |
| Feature attributes | ||||
| Sso Saml | — Unknown | — Unknown | — Unknown | — Unknown |
| Rbac | — Unknown | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown | — Unknown |
| Webhooks | — Unknown | — Unknown | — Unknown | — Unknown |
| Data Export | — Unknown | — Unknown | — Unknown | — Unknown |
| Prebuilt Integrations | — Unknown | — Unknown | — Unknown | — Unknown |
| Visual Workflow Builder | — Unknown | — Unknown | — Unknown | — Unknown |
| Code Steps | — Unknown | — Unknown | — Unknown | — Unknown |
| Llm Access | — Unknown | — Unknown | — Unknown | — Unknown |
| Ai Agents | — Unknown | — Unknown | — Unknown | — Unknown |
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.