docs(console): show Gemini 4 Argon discount with strikethrough pricing (#55206)

Co-authored-by: opencode-agent[bot] <219766164+opencode-agent[bot]@users.noreply.github.com>

services/www/src/docs/content/console/models.mdx

@@ -259,7 +259,7 @@ Console uses pay-as-you-go pricing. Below are the prices **per 1M tokens**.
 | Claude Haiku 5.5 (≤ 100K tokens)  | $0.10           | $0.50           | $0.01           | $0.125       |
 | Claude Haiku 5.5 (> 100K tokens)  | $0.50           | $2.50           | $0.05           | $0.625       |
 | Claude Haiku 4.5                  | $1.00           | $5.00           | $0.10           | $1.25        |
-| Gemini 4 Argon<br /><small>50% off through Nov 30, 2026</small> | $4.00           | $20.00          | $0.20           | -            |
+| Gemini 4 Argon (50% off)          | ~~$4.00~~ $2.00 | ~~$20.00~~ $10.00 | ~~$0.20~~ $0.10 | -          |
 | Gemini 3.8 Flash                  | $1.50           | $7.50           | $0.15           | -            |
 | Gemini 3.7 Flash                  | $1.50           | $7.50           | $0.15           | -            |
 | Gemini 3.6 Flash                  | $1.50           | $7.50           | $0.15           | -            |
@@ -313,6 +313,8 @@ Console uses pay-as-you-go pricing. Below are the prices **per 1M tokens**.
 
 </div>
 
+**Gemini 4 Argon:** The 50% discount applies through November 30, 2026.
+
 **DeepSeek V4 Flash Vision Exp:** Images are converted into tokens based on their dimensions and billed as input tokens alongside text tokens. [Learn more](https://api-docs.deepseek.com/quick_start/pricing/).
 
 You may notice [low-cost models](/models), such as Haiku, Nano, or Flash, in your usage history. OpenCode uses these