Koji and Luster are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. Koji: AI-native customer research platform whose AI interviewer runs voice and text discovery conversations at scale, then synthesizes themes automatically. Luster: AI Predictive Enablement platform that pairs realistic sales roleplay with live-call analysis to find and close rep skill gaps. They overlap on ai-meeting-assistants, so the right pick depends on team size, budget, and which meeting workflows you automate.
For ai-meeting-assistants workflows, shortlist Koji when running exploratory discovery interviews without scheduling live calls matters most, and Luster when letting sdrs and aes rehearse cold calls and discovery conversations with ai buyers before live calls matters most. Both record across Zoom, Google Meet, and Microsoft Teams; trial each on real meetings before committing.
AI-native customer research platform whose AI interviewer runs voice and text discovery conversations at scale, then synthesizes themes automatically.
AI interviewer that runs asynchronous voice and text discovery conversations at scaleAI research agent that drafts research goals and interview guides from a briefAutomatic per-interview analysis with key moments and sentiment
AI Predictive Enablement platform that pairs realistic sales roleplay with live-call analysis to find and close rep skill gaps.
AI-assisted coaching tools for managers to scale feedbackAI roleplay environment for rehearsing discovery, objection handling, and other high-stakes scenariosBuyer personas configurable by sales stage, persona type, and deal size
Koji is a free tier with paid upgrades (freemium); Luster is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
AI interviewer that runs asynchronous voice and text discovery conversations at scale
AI roleplay environment for rehearsing discovery, objection handling, and other high-stakes scenarios
Standout feature
AI research agent that drafts research goals and interview guides from a brief
Buyer personas configurable by sales stage, persona type, and deal size
Team usage
Automatic per-interview analysis with key moments and sentiment
EchoIQ live-call analysis that reviews real customer conversations for skill application
Integrations
Cross-interview synthesis into study-wide themes, patterns, and recommendations
Predictive insights that flag rep readiness risk and skill gaps
Languages & capture
Insights traceable back to specific participant quotes
AI-assisted coaching tools for managers to scale feedback
Best-fit workflow
MCP integrations with Claude, ChatGPT, Cursor, and Notion
Certification and onboarding workflows for enablement teams
Best for
Koji
Choose Koji if you need running exploratory discovery interviews without scheduling live calls — strengths include removes scheduling overhead by running many interviews in parallel and asynchronously.
Luster
Choose Luster if you need letting sdrs and aes rehearse cold calls and discovery conversations with ai buyers before live calls — strengths include connects practice performance with analysis of real live calls rather than roleplay alone.
Pros & cons
Koji
+ Removes scheduling overhead by running many interviews in parallel and asynchronously
- AI-moderated async format is less suited to deep rapport-driven live interviews
Luster
+ Connects practice performance with analysis of real live calls rather than roleplay alone
+ Personas can be tailored to specific sales stages, deal sizes, and buyer types
- Built for go-to-market sales teams, so it is less relevant to general meeting note-taking use cases
FAQ
Is Koji or Luster better for AI meeting notes?
It depends on your workflow. Koji is strong for running exploratory discovery interviews without scheduling live calls, while Luster is strong for letting sdrs and aes rehearse cold calls and discovery conversations with ai buyers before live calls. Both transcribe and summarize meetings.
How do Koji and Luster compare on price?
Koji is a free tier with paid upgrades and Luster is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Can I use both Koji and Luster?
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.