Start with the reason to change
You need a different connected-knowledge boundary, workspace surface, or action model and can test it against owned questions with known answers.
Current reference: Glean Assistant profile
Alternative product fits
Workspace AI
Notion AI
The relevant knowledge and workflow are primarily contained in Notion.
Verify: Workspace and page permissions, connected content, freshness, source traceability, actions, and missing answers.General AI assistant
Microsoft Copilot
Microsoft accounts, files, and workplace applications define the intended knowledge context.
Verify: Exact Copilot surface, identity and permissions, source behavior, administrator controls, retention, and region.AI research assistant
NotebookLM
A deliberately selected source collection can satisfy the research and briefing job.
Verify: Source types, import and sharing boundaries, citations, freshness, contradictory evidence, and answer support.General AI assistant
ChatGPT
A general assistant with supported connected or uploaded content is in scope.
Verify: Current connectors, workspace controls, permission propagation, source links, model identity, and retention.Switching checklist
- Define the allowed corpus and the authority level expected for material claims.
- Use the same dated questions and source expectations for every candidate.
- Review citation presence, source authority, entailment, coverage, and inaccessible sources separately.
- Test permission boundaries and missing-answer behavior before connecting private material.
- Keep an editorial reviewer and a recheck date for time-sensitive conclusions.
Sources checked
Open the original pages before relying on a time-sensitive product decision.