The chat that does.
Not another chatbot. A true AI coworker: 50+ models, 900+ app integrations, your private knowledge, and multi-step workflows — all orchestrated from one conversation.
Pick the model. Or let us route.
Every prompt gets the right brain for the job. Switch in one click, compare side-by-side, or trust our router to choose the best model per task — cost, latency, or quality first.
Describe it once. Run forever.
Every conversation can become a reusable flow. Schedule it, share it, chain it into another. Your “investor outreach” becomes a Monday morning ritual that runs without you.
- Recurring runs (hourly, daily, weekly, cron)
- Approval gates for human-in-the-loop steps
- Branching, error handling, retries
- Shareable with your team, version-controlled
Hire AI coworkers with a name.
A persona is a character with tools, tone, memory, and a job. Spin up a Chief of Staff, a Lead Engineer, a Support Agent — each pre-loaded with the right integrations and knowledge.
- Per-persona model & tool access
- Persistent memory, private or team-shared
- Custom personality — tone, format, boundaries
- Instant handoff between personas mid-chat
Chief of Staff
Reports, investor updates, ops
Lead Engineer
Planning, reviews, architecture
Brand Writer
Copy, voice, campaigns
Support Agent
Tickets, KB grounded
Real actions. Not just reads.
Definable doesn't just summarize your inbox — it drafts and sends. It doesn't just look at your CRM — it updates stages and creates deals. MCP-native, with actions for every major platform.
- Email: Gmail, Outlook, Superhuman, Front
- CRM: HubSpot, Salesforce, Pipedrive, Apollo
- Ops: Slack, Notion, Linear, Jira, Asana
- Data: Postgres, Snowflake, BigQuery, Airtable
Built on a grown-up foundation.
Define your coworker.
Try the Assistant free. 5,000 credits, every model, every integration.