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Gstack Meeting Agents vs Hyper: Features, Pricing & Which Is Better (2026)

A side-by-side comparison of Gstack Meeting Agents and Hyper — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.

Gstack Meeting Agents logo

Gstack Meeting Agents

AgentCall

Free

Open-source voice agents — CEO, YC partner, QA lead and more — that join your Google Meet, critique your screen, and drop notes in chat.

Key features

  • Specialist Personas: Multiple pre-built AI specialists (CEO, CSO, QA lead, YC partner, designer, and more) join meetings in-persona.
  • Google Meet Integration: Agents join real Google Meet calls as 3D-avatar participants alongside humans.
  • In-meeting Critique: Agents watch your shared screen and critique it out loud, taking turns like real participants.
  • Structured Chat Notes: Each persona drops written notes and scores in the meeting chat so feedback is captured, not just spoken.
  • Local Brain: Uses your own local coding-agent session (Claude Code, Cursor, Codex) so audio and files stay on your machine.
  • MIT-licensed: The platform and personas are open source under MIT license.
  • AgentCall Demo: Built on the AgentCall API that lets any agent take a seat in a meeting, so custom personas are possible.

Best for

  • YC Interview Prep: Practice pitching to a YC-partner persona that opens with the questions real partners ask.
  • Product & Design Review: Get a designer persona to score a UI or landing page in real time.
  • Startup Feedback Sessions: Simulate an exec team (CEO, CSO, QA) reviewing a demo before you show real stakeholders.
  • Async Meeting Notes: Use the specialist chat notes as structured meeting minutes without a human notetaker.
  • Custom Agents in Meetings: Build your own persona on top of AgentCall to join calls with domain-specific expertise.
View Gstack Meeting Agents details
Hyper logo

Hyper

Hyper

Freemium

A company knowledge layer that learns from Docs, Slack, Email and Calendar to power smarter, context-aware AI across teams.

Key features

  • Unified Knowledge Ingestion: Continuously imports and indexes data from Docs, Slack, Email, and Calendar to build a central, searchable company knowledge graph.
  • Contextual AI Plug-ins: Provides an interface and connectors so teams can inject company-specific context into external or internal AI models, improving accuracy and relevance of responses.
  • Persistent Institutional Memory: Retains historical context across conversations and workflows so the system remembers past decisions, preferences, and policies without manual re-entry.
  • Real-time Sync and Updates: Keeps ingested sources up to date with near real-time synchronization so answers reflect the latest documents, messages, and schedule changes.
  • Access Controls & Security: Enables role-based access and privacy controls to ensure sensitive documents and communications are only used where permitted.
  • Searchable Knowledge Retrieval: Offers semantic search and retrieval of relevant docs, messages, and calendar events to surface precise context for queries and automations.
  • Workflow Automation: Leverages stored knowledge to trigger or assist with routine tasks (e.g., follow-ups, meeting summaries) and reduce manual work.
  • Integration Framework: Supports connectors and APIs to integrate with common productivity tools and plug the company brain into existing AI assistants or platforms.
  • Ingests and learns from Docs, Slack, Email and Calendar
  • Creates a centralized, searchable company knowledge layer
  • Integrates/"plugs into" existing AI systems to provide context and memory
  • Context enrichment for downstream AI responses and workflows
  • Connectors to common collaboration sources (Docs, Slack, Email, Calendar)

Best for

  • Onboarding Acceleration: New hires query the company brain to get accurate, contextual answers about processes, past decisions, and team norms without repeatedly asking colleagues.
  • Customer Support Enablement: Support agents retrieve up-to-date product docs, past tickets, and policy notes to craft faster, consistent responses to customers.
  • Meeting Summaries & Action Items: Automatically summarize calendar events and linked documents, then surface follow-ups and owners based on historical context.
  • Internal Knowledge Discovery: Employees search across Slack, emails, and docs to find precedents, design decisions, or technical notes relevant to current projects.
  • Automated Follow-ups: Use contextual knowledge to draft or schedule follow-up emails and tasks after meetings, ensuring continuity and reducing manual tracking.
  • Compliance & Audit Readiness: Aggregate and index communications and documents to simplify internal audits and demonstrate policy adherence with searchable records.
  • Developer and Product Support: Engineers and PMs query past architecture decisions, bug histories, and release notes to speed troubleshooting and planning.
  • Provide company-specific context to LLMs and AI assistants
  • Centralized knowledge retrieval and enterprise search across Docs, Slack, Email and Calendar
  • Faster onboarding by surfacing institutional knowledge
  • Automated summarization and context-aware drafting for email and meetings
  • Enriching customer-support or internal automation agents with up-to-date company info
View Hyper details