Microsoft 365 Copilot prioritises new GPT-5.6 models
Microsoft 365 Copilot has adopted OpenAI's new GPT-5.6 model series as its primary models, including GPT-5.6 Sol, Terra, and Luna, after previously utilising Anthropic models for certain tasks.

Vad har hänt
OpenAI has launched its GPT-5.6 model series, consisting of GPT-5.6 Sol, GPT-5.6 Terra, and GPT-5.6 Luna. GPT-5.6 Sol is the flagship model, Terra offers a balance between performance and cost, and Luna is the most cost-effective variant. Microsoft has announced that these GPT-5.6 models are now available from day one in Microsoft 365 Copilot.
Key facts
| Modellserien lanseras | GPT-5.6 (Sol, Terra, Luna) |
|---|---|
| Microsoft 365 Copilot integration | Dag ett-tillgänglighet |
| Användningsområden | Word, Excel, PowerPoint, Chat |
”Yesterday, OpenAI announced the public rollout of its GPT-5.6 model series, which includes GPT-5.6 Sol, GPT-5.6 Terra, and GPT-5.6 Luna. As with several previous OpenAI model launches, Microsoft also announced day-one availability of the GPT-5.6 models in Microsoft 365 Copilot.”
Varför det spelar roll
Microsoft 365 Copilot has long utilised OpenAI models but has over the past year also implemented Anthropic models for specific complex scenarios where they demonstrated superior performance. With the launch of GPT-5.6, OpenAI's models have reached a performance level that makes them the preferred choice once again, particularly due to architectural improvements and cost-efficiency. This indicates ongoing competition between AI model developers and a push for optimised performance within enterprise applications.
Vem påverkas
Microsoft 365 Copilot users are the primary group affected, as they now gain access to the latest GPT-5.6 models for text generation and other AI-driven features in applications such as Word, Excel, and PowerPoint. Developers and enterprises relying on AI integrations may also benefit from the enhanced models, while OpenAI and Anthropic continue to compete for market share. Companies invested in the Microsoft ecosystem can expect improvements in AI-assisted workflows.
EU-status
Microsoft 365 Copilot is available to users within the EU, meaning European companies and individuals will also have access to the new GPT-5.6 models. The availability of these advanced AI models is influenced by the EU's forthcoming AI Act, which mandates transparency and safety requirements for AI systems.
Mer att veta
The shift to GPT-5.6 as the preferred model highlights the rapid pace of development in the AI sector and how companies must continuously adapt to newer, more efficient models. It also underscores the importance of cost-efficiency when selecting AI models for large-scale implementations.
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