Sierra
Sierra builds branded voice and chat agents for support, charging per resolved conversation rather than per seat.
Full Sierra record →Head to head
Sierra vs UiPath Agentic Automation
Sierra (Sierra) and UiPath Agentic Automation (UiPath) both sit in Agents & Automation. UiPath Agentic Automation shipped more tracked changes in the last 30 days (5 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Sierra Sierra | UiPath Agentic Automation UiPath |
|---|---|---|
| Segment | Agents & Automation | Agents & Automation |
| Version | Agent OS 2.0 | UiPath Platform |
| Entry cost | Pricing is outcomes-based (pay for results, not tokens), contact Sierra for custom pricing. | Free tier · from $25/mo |
| Pricing tiers | Outcome pricing free | Try UiPath free free |
| Model stack | Claude · fleming-1 · GPT-5 class · OpenAI models · Sierra Agent OS 2.0 | Autopilot · Multiple · UiPath Agentic AI / Maestro · UiPath Agentic Automation · UiPath proprietary models |
| Context window | Model-dependent | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 5 |
| Origin | Global | United States |
| Capabilities | Voice and chat agents, Agent OS, Brand persona control, Supervisor tooling, Outcome analytics, Horizon (Long-horizon agents), Ghostwriter (Agent-building agent), Agent Studio 2.0 | Agent Builder, Maestro orchestration, Robot + agent handoff, Governance, Agentic Automation, Agentic Workflows, Agentic Testing, Maestro |
UiPath Agentic Automation
Orchestrates robots, agents and humans across enterprise processes.
Full UiPath Agentic Automation record →