Answer · Agents & Automation
What changed in Sierra recently?
Sierra has 1 tracked change in the last 30 days; the most recent, on 2026-09-09, was: New capabilities: Horizon Agent
- Changes in 30 days
- 1
- Last change
- 2026-09-09
- Current version
- Agent OS 2.0
- Entry price
- Enterprise outcomes-based model (pay for results, not tokens). Contact Sierra for pricing.
2026-09-09 — capability: New capabilities: Horizon Agent
2026-08-23 — capability: New capabilities: Agency, Release governance
2026-08-09 — capability: New capabilities: Voice Personas, Horizon agents, Context Engine
2026-08-07 — capability: New capabilities: Agency Sandboxes
2026-08-06 — capability: New capabilities: Ghostwriter agent builder, Agency sandboxes
Cite this answer
Tomorrow. “What changed in Sierra recently?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-09-09. https://tomorrow.aliensquad.ai/q/what-changed-in-sierra
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