Houston vs StackAI
| Houston | StackAI | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | $12/mo | — |
| Open source | No | No |
| Platforms | Linux, macOS, Web, Windows | api, extension, self-hosted, Web |
| Free plan | Yes | Yes |
| Deployment model | — | both |
| Visual agent builder | — | Yes |
| Multi-agent support | — | Yes |
| Knowledge grounding | — | Yes |
| Voice agent support | — | Yes |
| Human handoff | — | Yes |
Both are listed in Best AI Agent Platforms. On Inferse, StackAI scores higher on our published basis.