Stack AI
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Published Oct 3, 2026
G2 shows a growing review base with a mix of positive and critical feedback. Recent critical reviews highlight enterprise concerns around performance, documentation, and governance.
| Starting Price (public) | Free; Starter commonly cited at a hundreds-per-month tier | Copilot Studio uses credit packs for tenant-wide consumption | Free; paid plans begin at a low monthly consumer price point billed annually |
| Best For | Building AI-agent workflows across multiple data sources with enterprise controls | Organizations standardized on Microsoft 365/Azure who want agents embedded in M365 and governance | Broad SaaS automation with a large integration catalog; adding AI steps into workflows |
| Key Strength | Visual workflow canvas for LLM+tool orchestration, model/provider flexibility, enterprise deployment options (VPC/on-prem) | Deep Microsoft ecosystem integration and enterprise admin controls | Integration breadth and ease of connecting applications; mature automation ecosystem |
| Key Weakness | Integration gaps for some tools; documentation and advanced use-case support may need improvement; governance features (environment separation) flagged by reviewers | Model choice and multi-cloud flexibility may be more limited; licensing/credits can be complex | Native agent and RAG features may be less specialized; costs can scale with volume |
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