OpenAI Unveils o3-pro As Mistral AI Releases New Model
OpenAI has introduced its advanced reasoning model, o3-pro, for ChatGPT Pro and Team users. Simultaneously, the French company Mistral AI has launched its multilingual model, Magistral.

What happened?
OpenAI has launched its reasoning AI model, o3-pro, making it available to ChatGPT Pro and Team tier users. Concurrently, France's Mistral AI has unveiled Magistral, a multilingual and domain-specific AI model released in both open-source and commercial enterprise formats.
Key facts
| Lanseringsdatum | 12 juni 2025 |
|---|---|
| OpenAI-modell | o3-pro |
| Mistral-modell | Magistral |
| Meta-investering Scale AI | 15 miljarder USD |
Why it matters
These launches highlight the persistent intensity of competition in the advanced AI model market, with OpenAI focusing on enhanced reasoning capabilities while European-based Mistral AI combines open-source accessibility with enterprise-tailored, multilingual solutions.
Who is affected?
These initiatives are relevant to AI developers, enterprises, and users seeking advanced reasoning capabilities or multilingual, domain-specific models for their applications.
Impact on the EU
Details regarding the specific EU relevance of the o3-pro and Magistral models are not provided in the source material. In general, commercial and open-source AI models are subject to the requirements set out in the EU AI Act.
What else you should know
The source material also indicates that OpenAI is initiating a partnership with Google Cloud, that Meta is investing 15 billion dollars in Scale AI, and that the US administration is developing a government-specific chatbot.
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