A plain-English comparison of the major enterprise AI platforms covering GDPR, data residency, guardrails, certifications and key differences. Use the filters to focus on what matters most to your organisation.
Last reviewed: May 2026 — always verify with vendor documentation before decisions
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Topic
🪟 Microsoft Copilot
M365 Copilot (Enterprise)
🟢 ChatGPT Enterprise
OpenAI
🟠 Claude Enterprise
Anthropic
🔵 Google Gemini
Google Workspace AI
🦙 Meta Llama
Self-hosted / Open Source
Platform Summaries
When to Choose Which
Important: This comparison is provided for general guidance only and reflects publicly available information as of May 2026.
The enterprise AI market changes rapidly — pricing, features, data residency options and certifications are updated frequently.
Always verify current terms directly with each vendor, review their Data Processing Agreements, and consult your Data Protection Officer
before making deployment decisions. The "no training on customer data" commitments apply to enterprise/API tiers — consumer free tiers
have different terms. This is not legal or compliance advice.