Kort antwoord: Copilot is beter geïntegreerd in Microsoft‑producten, terwijl Google (Gemini) sterker is in zoek- en webgerichte taken. Welke “beter” is, hangt dus af van wat jij precies wil doen.
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🔍 Algemene bevindingen uit onafhankelijke tests
Copilot scoort sterk wanneer je werkt in Windows, Office, Outlook, Teams of andere Microsoft‑apps. Het gebruikt de nieuwste OpenAI‑modellen
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ChatGPT (OpenAI): Uses the GPT-4 architecture and its variants. The flagship model is GPT-4o, which became the default after GPT-4’s deprecation. GPT-4o is a multimodal model (text, images, voice) improved over GPT-4 in speed and performance. OpenAI also offers specialized variants like GPT-4.1 (optimized for coding and precise instructions) and GPT-4.1 Mini (a compact, efficient model that surpassed the older GPT-4o mini). Older models (e.g. GPT-3.5 Turbo) remain available for lightweight or free-tier use, but no GPT-5 exists as of mid-2025. Notably, GPT-4.5 was previewed for developers in early 2025 as an experimental upgrade, but GPT-4o remains the core consumer model.
Microsoft Copilot: “Copilot” refers to AI assistance built into Microsoft’s products (Windows 11, Microsoft 365 apps, etc.) rather than a standalone model. Microsoft Copilot runs on OpenAI’s GPT-4o model under the hood (licensed via Azure OpenAI). Copilot doesn’t have its own unique LLM; instead, it uses OpenAI’s latest (GPT-4o) for conversational answers and code, with Microsoft fine-tuning and augmenting it with Microsoft’s data and context. For example, Copilot Chat (the assistant in Windows/Office) uses GPT-4o for AI responses, and GitHub Copilot (the coding assistant in VS Code) was upgraded to use a GPT-4o-based code model by late 2024. In essence, Copilot’s “model version” is tied to OpenAI’s advancements – as OpenAI updates GPT-4o and related models, Copilot gains those improvements. (Microsoft has no separate in-house LLM brand in mid-2025, relying on OpenAI’s models).
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