Update Granite Card

README.md

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+# IBM Granite
+
+IBM Granite is a family of open, enterprise-grade AI models. Granite models are designed to be efficient, trustworthy, and deployable anywhere — from cloud to edge — with a focus on language, vision, speech, guardian, embedding, and time series tasks.
+
+### What's in the Granite family?
+
+**[Granite 4.0](https://huggingface.co/collections/ibm-granite/granite-40-language-models)** — Our latest language models, featuring a hybrid Mamba-2/transformer architecture with optional MoE. Faster, leaner, and built for agentic workloads — ranging from 350M to 32B parameters.
+
+**[Granite Vision](https://huggingface.co/collections/ibm-granite/granite-vision-models)** — Multimodal models for image understanding and visual question answering.
+
+**[Granite Docling](https://huggingface.co/collections/ibm-granite/granite-docling)** — Document understanding and parsing models for enterprise document workflows.
+
+**[Granite Speech](https://huggingface.co/collections/ibm-granite/granite-speech)** — Models for automatic speech recognition and spoken language understanding.
+
+**[Granite Embedding](https://huggingface.co/collections/ibm-granite/granite-embedding-models)** — High-quality embedding models optimized for retrieval-augmented generation (RAG) and semantic search.
+
+**[Granite Guardian](https://huggingface.co/collections/ibm-granite/granite-guardian-models)** — Safety and content moderation models for responsible AI deployments.
+
+**[Granite Time Series](https://huggingface.co/collections/ibm-granite/granite-time-series-models)** — Forecasting models purpose-built for enterprise time series data.
+
+### IBM ❤️ Open Source AI
+
+- 📖 **Docs:** [ibm.com/granite/docs/models/granite](https://www.ibm.com/granite/docs/models/granite)
+- 🧪 **Playground:** [ibm.com/granite/playground](https://www.ibm.com/granite/playground)
+- 🐙 **GitHub:** [github.com/ibm-granite](https://github.com/ibm-granite)
+