Update Zen4 Thinking model card

README.md

@@ -1,25 +1,43 @@
 ---
 library_name: transformers
-tags: [zen, reasoning, chain-of-thought, hanzo]
+pipeline_tag: text-generation
+tags:
+  - text-generation
+  - reasoning
+  - zen
+  - zen4
+  - hanzo
 license: apache-2.0
 ---
-# Zen4 Thinking — Deep Reasoning
-
-Dedicated reasoning model with explicit chain-of-thought capabilities.
-
-- **Developer**: [Hanzo AI](https://hanzo.ai) × [Zen LM](https://zenlm.org)
-- **Parameters**: 80B (3B active)
-- **Architecture**: MoE + CoT
-- **Context**: 131K tokens
-- **API**: [api.hanzo.ai](https://cloud.hanzo.ai)
-- **Docs**: [zenlm.org/docs/models/zen4-thinking](https://zenlm.org/docs/models/zen4-thinking)
-
-## Usage
-```python
-from hanzo import Hanzo
-client = Hanzo()
-response = client.chat.completions.create(model="zen4-thinking", messages=[{"role": "user", "content": "Solve this step by step: ..."}])
+
+# Zen4 Thinking
+
+**Zen LM by Hanzo AI** — Reasoning-optimized model with explicit thinking traces. For problems requiring step-by-step analysis.
+
+## Specs
+
+| Property | Value |
+|----------|-------|
+| Parameters | 744B MoE |
+| Context | 262K |
+| Architecture | Zen MoDE (Mixture of Distilled Experts) |
+| Generation | Zen4 |
+
+## API Access
+
+```bash
+curl https://api.hanzo.ai/v1/chat/completions \
+  -H "Authorization: Bearer $HANZO_API_KEY" \
+  -H "Content-Type: application/json" \
+  -d '{"model": "zen4-thinking", "messages": [{"role": "user", "content": "Hello"}]}'
 ```
 
-## Related
-- [zen-max](https://huggingface.co/zenlm/zen-max) — Base reasoning weights
+Get your API key at [console.hanzo.ai](https://console.hanzo.ai) — $5 free credit on signup.
+
+## License
+
+Apache 2.0
+
+---
+
+*Zen LM is developed by [Hanzo AI](https://hanzo.ai) — Frontier AI infrastructure.*