Card: the Karpo Decision family chart; multimodal in the introduction

.gitattributes

@@ -36,3 +36,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 tokenizer.json filter=lfs diff=lfs merge=lfs -text
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 assets/decision-index-full-2026-11-12.png filter=lfs diff=lfs merge=lfs -text
+assets/karpo-decision-family.png filter=lfs diff=lfs merge=lfs -text

README.md

@@ -59,8 +59,9 @@ entries).
 
 *Decision Index leaderboard, Full score, 12 November 2026.*
 
-A decision model: given a state (a web page, a document, a conversation: any text or JSON) and typed questions about
-it, it returns a probability for every option of every question in one forward pass, without generating text.
+A multimodal decision model: given a state (a web page and its screenshot, a document, a conversation: text, JSON
+and images) and typed questions about it, it returns a probability for every option of every question in one forward
+pass, without generating text.
 Fine-tuned from [google/gemma-4-31B-it](https://huggingface.co/google/gemma-4-31B-it), with a linear readout over the
 options.
 
@@ -110,6 +111,21 @@ Results: [runs/karpo-decision-31B](https://huggingface.co/datasets/MachinePulseA
 | Tools & Automation | 88.4 |
 | Arts & Human Taste | 68.2 |
 
+## The Karpo Decision family
+
+<img src="assets/karpo-decision-family.png" alt="Score vs. size: Karpo Decision 0.8B to 31B on the Decision Index 0.3 public suite, with the other board models of each size class" width="100%">
+
+*Score vs. size on the Decision Index 0.3 public suite, board of 12 November 2026.*
+
+| Model | Base | Parameters |
+|---|---|---|
+| **karpo-decision-31B** | Gemma 4 31B | 31.3B |
+| [karpo-decision-12B](https://huggingface.co/MachinePulseAI/karpo-decision-12B) | Gemma 4 12B | 12.0B |
+| [karpo-decision-9B](https://huggingface.co/MachinePulseAI/karpo-decision-9B) | Qwen3.5 9B | 8.4B |
+| [karpo-decision-4B](https://huggingface.co/MachinePulseAI/karpo-decision-4B) | Qwen3.5 4B | 4.5B |
+| [karpo-decision-2B](https://huggingface.co/MachinePulseAI/karpo-decision-2B) | Qwen3.5 2B | 2.2B |
+| [karpo-decision-0.8B](https://huggingface.co/MachinePulseAI/karpo-decision-0.8B) | Qwen3.5 0.8B | 0.85B |
+
 ## How it works
 
 - **A readout, not generation.** Every option is labelled with an option code. At the `Answer: (` slot that ends a