Model Routing
The latest Model Routing coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Rolls Out GPT-5 With Smart Mode and Automated Model Router Across Copilot, GitHub, and Foundry
Microsoft has embedded OpenAI's most advanced reasoning engine into nearly every major product line, flipping on GPT-5 across consumer Copilot, Microsoft 365 Copilot, GitHub Copilot, Visual Studio...
GPT-5 Supercharges Windows Copilot with Deeper Reasoning, But a Sodium Bromide Poisoning Exposes Critical Safety Flaws
A man nearly died after following an older ChatGPT model’s dietary advice—replacing table salt with toxic sodium bromide—just as Microsoft rushes to weave OpenAI’s most advanced reasoning...
GPT-5's Windows Debut Brings Smarter AI, But Cautionary Tales Remain
Microsoft has embedded OpenAI’s new GPT‑5 reasoning engine into Copilot, GitHub Copilot, and Visual Studio just days after launch—bringing expanded context windows, model‑routing “Smart...
GPT-5 Arrives on Windows via Copilot, Promising Deeper Reasoning and Longer Context
On August 7, 2025, OpenAI released GPT-5 — and Microsoft simultaneously flipped the switch across its entire Copilot ecosystem, bringing the new model’s unified fast/thinking modes to Windows 11,...
GPT-5 Backlash: OpenAI Brings Back GPT-4o Amid User Fury Over Tone and Model Choice
OpenAI’s promise of a singular, smarter AI collapsed into chaos within days of GPT-5’s debut. The company billed it as the “best AI system yet”—a unified model that would seamlessly route...
OpenAI’s GPT-5 Stage Show Featured Google, But Microsoft Got the Real Enterprise Prize
OpenAI’s much-hyped GPT-5 launch on August 7, 2025, was stagecrafted as a Google-friendly moment. On screen, Gmail and Google Calendar integration showed ChatGPT pulling up emails and scheduling...
GPT-5 Powers Microsoft Copilot's Next Act, But Enterprise Price Hits $30
Microsoft has started rolling out GPT-5—the latest OpenAI model—across its Copilot services, marking the most significant upgrade to the AI assistant since its debut. The model landed in early...
GPT-5 Powers New Free 'Smart Mode' in Windows 11 Copilot, No Subscription Needed
Windows 11 users can now tap into GPT-5’s most advanced reasoning capabilities for free, thanks to a quiet server-side update that adds a ‘Smart mode’ to Microsoft Copilot. The feature, which...
Microsoft’s Free Copilot Hands You GPT-5 Thinking With 5x the Daily Quota of ChatGPT
Microsoft Copilot is now rolling out GPT-5-powered Smart mode to free users, and early tests reveal a surprising twist: the company is allowing more generous use of the model’s deep reasoning...
GPT-5 Goes Live Across Microsoft Ecosystem with Smart Mode Model Router
Microsoft has begun rolling out OpenAI’s GPT-5 model across its entire product ecosystem, embedding advanced AI capabilities into Copilot, Microsoft 365, GitHub, and Azure AI Foundry. The...
Microsoft Activates GPT-5 in Copilot: Smart Mode Automatically Switches Models, Free Access for All
Microsoft and OpenAI dropped a coordinated update on August 7 that brings GPT‑5 to the entire Copilot ecosystem, complete with a new Smart mode that automatically selects the best model for any...
GPT-5 Lands Across Microsoft's Copilot, M365, and Azure, Sparking a New AI Era for Windows
Microsoft has completed a sweeping rollout of OpenAI’s GPT-5 across nearly every corner of its ecosystem, embedding the powerful model into Copilot in Windows, Microsoft 365, GitHub, Copilot...