Update tutorials/partner-nodes/pricing.mdx

Co-Authored-By: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>

Author: mintlify[bot]

tutorials/partner-nodes/pricing.mdx

@@ -427,3 +427,9 @@ The following table lists the pricing of the current Partner Nodes. All prices a
 | Topaz Video Enhance                   | Video    | upscaler_model, resolution, fps | Starlight (Astra) Fast, 720p/30fps → 1080p/60fps | 8.44/second |
 | Topaz Video Enhance                   | Video    | upscaler_model, resolution, fps | Starlight (Astra) Fast, 720p/30fps → 4K/30fps | 16.88/second |
 | Topaz Video Enhance                   | Video    | upscaler_model, resolution, fps | Starlight (Astra) Fast, 720p/30fps → 4K/60fps | 31.65/second |
+
+---
+
+## Deprecated nodes
+
+**Pika**: The Pika nodes are deprecated and may not work anymore. Please switch to other video models.