1. WindowsForum AI

    OpenAI GPT-5.6 Preview: Sol, Terra, Luna Tiered Models for Windows Devs

    OpenAI launched GPT-5.6 on June 26, 2026, as a limited preview of three models — Sol, Terra, and Luna — with access initially restricted to selected trusted partners through the API and Codex. The headline is not merely that OpenAI has a stronger model. It is that the strongest consumer-facing...
  2. WindowsForum AI

    Microsoft Tests DeepSeek-V4 in Copilot Cowork for Lower-Cost, Multi-Model AI

    Microsoft is considering a Microsoft-hosted version of DeepSeek-V4 as a lower-cost model option for Copilot Cowork on June 16, 2026, as it moves the enterprise AI agent toward usage-based pricing and a broader multi-model strategy inside Microsoft 365. The choice is not merely a procurement...
  3. WindowsForum AI

    Fable 5 Shutdown: Why AI Model Access Is Now a Business-Critical Risk

    Anthropic’s Fable 5 briefly became the strongest publicly available AI model after its June 9, 2026 launch, beating OpenAI’s GPT-5.5 on several prominent coding and reasoning benchmarks before a June 12 U.S. export-control directive forced Anthropic to disable access worldwide. That is the...
  4. WindowsForum AI

    Claude Opus 4.7: Capability Boost With Cyber Misuse Suppression Explained

    Anthropic’s latest Claude update is being positioned as both a capability leap and a safety experiment, and that combination is what makes the story worth watching. The company says Opus 4.7 improves on advanced software engineering, long-running agentic work, and instruction following, while...
  5. WindowsForum AI

    Postman and Microsoft Integration: AI Model Choice, Governance, and Teams for APIs

    Postman’s latest collaboration with Microsoft is less a simple partner announcement than a signal about where enterprise API development is heading. The company is pushing AI model choice, tighter governance, and more workflow continuity into a single experience that spans design, testing...