AI pricing - Coding After Dark

Argon opens, Claude Code tidies up: next to the Gemini icon, Gemini 4 Argon's API price goes from $2 to $4 input and $10 to $20 output per million tokens on Dec 1, and next to the Claude icon, Claude Code v2.1.300 now summarizes idle long chats at about 54 minutes and matches MCP rules by full server name.

Gemini 4 Argon opens to paying users, and Claude Code now saves you money while you’re away

October 15, 2026 By Troj

Google’s new top model, Gemini 4 Argon, is now open to anyone who pays, at half price until November 30. Plus three small Claude Code changes that cut costs and close a permissions loophole.