ChatGPT — one-off questions on a single doc, no compliance trail needed.
Claude.ai / Anthropic — general reasoning chat; Vevesh adds persistent folder indexes and IEC-grade citations on top of Claude routing.
Cursor AI — in-repo code editing; Vevesh covers standards PDFs, foundation reports, and team KBs Cursor does not index.
Copilot — Microsoft-only shops with knowledge already in SharePoint/Teams.
Perplexity — web-grounded answers; Vevesh grounds on your project folders with page-level evidence.
Notion AI — teams willing to migrate wiki content into Notion permanently.
Glean — enterprise with budget and time for a full workplace search rollout.
Vevesh — engineering teams with real project folders, standards libraries, mixed formats, multi-provider AI (OpenAI, Groq, Kimi, Gemini), and citations that survive a design review.