{"slug": "microsoft-to-replace-openai-anthropic-models-with-in-house-ai-in-365-copilot", "title": "Microsoft to replace OpenAI, Anthropic models with in-house AI in 365 Copilot", "summary": "Microsoft announced plans to replace OpenAI and Anthropic models with its in-house MAI models in Microsoft 365 Copilot, aiming to reduce costs and increase self-reliance. The shift, reported by Bloomberg, follows a 2025 renegotiation with OpenAI that allows Microsoft to develop competing models. This move could negatively impact Anthropic's valuation and signals Microsoft's long-term commitment to its own AI technology.", "body_md": "Microsoft has announced plans to replace OpenAI and Anthropic models with its proprietary AI models in platforms like Excel and Outlook, according to a social media post. This strategic shift is aimed at reducing costs and increasing self-reliance, as Microsoft integrates its in-house MAI models into Microsoft 365 Copilot. This development follows Microsoft’s 2025 renegotiation with OpenAI, allowing it to develop competing models while maintaining its partnership. The transition, initially reported by Bloomberg, indicates a substantial move towards utilizing MAI models, which have shown promising performance metrics and cost benefits.\n\n## Key Takeaways\n\n- The decision to use Microsoft’s MAI models appears to indicate a drive towards cost reduction and increased self-sufficiency.\n- Market pricing suggests the move could negatively impact Anthropic’s valuation, reflecting decreased confidence in its competitive position.\n- Microsoft’s ongoing strategic development of its AI capabilities suggests a long-term commitment to enhancing its technology stack.\n\n## What to Watch\n\nMarkets will be closely observing Anthropic’s response to Microsoft’s strategic shift. Key indicators will include any new funding rounds or strategic partnerships announced by Anthropic. Additionally, announcements from Microsoft regarding further integration of MAI models across its product suite could provide insights into the potential impact on competitors. The upcoming earnings reports from major tech companies may also influence market perceptions and confidence levels.\n\n*Get prediction market intelligence as a structured API feed. Early access waitlist.*", "url": "https://wpnews.pro/news/microsoft-to-replace-openai-anthropic-models-with-in-house-ai-in-365-copilot", "canonical_source": "https://cryptobriefing.com/microsoft-to-replace-openai-anthropic-models-with-in-house-ai-in-365-copilot/", "published_at": "2026-07-08 10:41:17+00:00", "updated_at": "2026-07-08 10:43:35.045653+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "ai-tools", "ai-infrastructure", "ai-startups"], "entities": ["Microsoft", "OpenAI", "Anthropic", "Microsoft 365 Copilot", "MAI", "Bloomberg"], "alternates": {"html": "https://wpnews.pro/news/microsoft-to-replace-openai-anthropic-models-with-in-house-ai-in-365-copilot", "markdown": "https://wpnews.pro/news/microsoft-to-replace-openai-anthropic-models-with-in-house-ai-in-365-copilot.md", "text": "https://wpnews.pro/news/microsoft-to-replace-openai-anthropic-models-with-in-house-ai-in-365-copilot.txt", "jsonld": "https://wpnews.pro/news/microsoft-to-replace-openai-anthropic-models-with-in-house-ai-in-365-copilot.jsonld"}}