WorkWeaverFeature by feature.
Every row is WorkWeaver. The Sierra column says only what Sierra's own website shows.
| Feature | WorkWeaver | Sierra |
|---|---|---|
| Works across every department | PartlyCustomer service only | |
| Finds where work waits between teams | ||
| One memory every department shares | PartlyCustomer-conversation memory | |
| What one person teaches, every team uses | PartlyPer-agent knowledge | |
| Tests cheaper models on your own past work | PartlySwitches LLM providers itself | |
| Any model, on your own keys, no mark-up | ||
| Phone, WhatsApp, email, Slack, Teams and meetings | PartlyCalls, WhatsApp, SMS, chat and email; no Slack, Teams or meetings | |
| Asks before risky steps, logs every action with its reason | PartlyTraces every decision; asking first not shown | |
| Engineers put your slowest process live in 90 days | ||
| Every team's goal links to the company goal | ||
| Cloud agnostic |
✓ shown on their own website · Partly: a narrower version · ✕ not shown on Sierra's own website, checked 2026-10-21.
Spotted a mistake? Email workweaver@bitfoundry.ai and we fix it within two working days.
Which fits you
Choose WorkWeaver if
- Finds where work waits between teams
- Any model, on your own keys, no mark-up
- Every team's goal links to the company goal
Choose Sierra if
Choose Sierra if you run customer service at large scale and want outcome-based pricing.
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