Gemini 4 Argon priced level with Claude Sonnet 5.5 and GPT-6.1 Sol until December 1

Gemini 4 Argon, available in the Gemini API since October 13, 2026, lists at $2 per 1M input and $10 per 1M output tokens, matching Claude Sonnet 5.5 and GPT-6.1 Sol. On December 1 Google doubles Argon rates to $4 and $20, while the rivals keep their prices.

• Through November 30, Argon, Sonnet 5.5 and GPT-6.1 Sol all cost $2 input and $10 output per 1M tokens
• Argon doubles to $4 input and $20 output on December 1, with cached input at $0.20
• GPT-6.1 Sol bills prompts above 272K tokens at $4 input and $15 output
• Argon offers a 1,048,576-token context; Sonnet 5.5 and GPT-6.1 Sol cap output at 128K