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README.md

@@ -13,7 +13,16 @@ pinned: false
 
 [mainstack.co.uk](https://www.mainstack.co.uk/) · [LinkedIn](https://linkedin.com/company/mainstack-it)
 
-MainStack is a consultancy specializing in ServiceNow Agentic Delivery. We build the AI that does the drafting work of a delivery engagement — and we release it openly. **marvy-14B** is our first public model: a fine-tuned LLM that drafts artifacts across the entire ServiceNow delivery lifecycle, from business analysis through Solution Design Documents, user stories, test cases, and validation. It's a first-draft specialist built for the people who do the work — solution architects, business analysts, technical consultants, project managers, and delivery leads.
+MainStack is a consultancy specializing in ServiceNow Agentic Delivery. We build the AI that does the drafting work of a delivery engagement — and we release it openly. **marvy-1-14B** is our first public model: a fine-tuned LLM that drafts artifacts across the entire ServiceNow delivery lifecycle, from business analysis through Solution Design Documents, user stories, test cases, and validation. It's a first-draft specialist built for the people who do the work — solution architects, business analysts, technical consultants, project managers, and delivery leads.
+
+## 📊 Measured impact
+
+On a **project- and customer-disjoint** held-out test set, `marvy-1-14B` cuts
+perplexity on real delivery artifacts by **32% overall vs. the unmodified base
+model** — and by **75–86%** on structured artifacts like systems inventories,
+requirements, and stakeholder registers. Same weights, adapter on vs. off; the
+difference is the fine-tune. See the charts on the
+[model card](https://huggingface.co/MainStack/marvy-1-14B#evaluation).
 
 ## 🔒 Built responsibly
 
@@ -23,12 +32,12 @@ marvy was trained on real engagement artifacts, which means privacy was a design
 
 | Repo | Format | Use case |
 |------|--------|----------|
-| [MainStack/marvy-14B](https://huggingface.co/MainStack/marvy-14B) | Merged FP16 | Full-precision inference and serving |
-| [MainStack/marvy-14B-lora](https://huggingface.co/MainStack/marvy-14B-lora) | LoRA adapter | Compose on top of Qwen2.5-14B-Instruct |
-| [MainStack/marvy-14B-GGUF](https://huggingface.co/MainStack/marvy-14B-GGUF) | GGUF quants | Local runs on Apple Silicon, LM Studio, Ollama |
+| [MainStack/marvy-1-14B](https://huggingface.co/MainStack/marvy-1-14B) | Merged FP16 | Full-precision inference and serving |
+| [MainStack/marvy-1-14B-lora](https://huggingface.co/MainStack/marvy-1-14B-lora) | LoRA adapter | Compose on top of Qwen2.5-14B-Instruct |
+| [MainStack/marvy-1-14B-GGUF](https://huggingface.co/MainStack/marvy-1-14B-GGUF) | GGUF quants | Local runs on Apple Silicon, LM Studio, Ollama |
 
 ```bash
-ollama run hf.co/MainStack/marvy-14B-GGUF:Q4_K_M
+ollama run hf.co/MainStack/marvy-1-14B-GGUF:Q4_K_M
 ```
 
 ## About