GPT-6.1 Sol Pricing Explained: Starting at $2 Input, How Much Does It Save Versus GPT-5.5?
OpenAI's GPT-6.1 Sol launches with input pricing starting at $2 per million tokens and output at $10, positioning it far below GPT-5.5 and at one-fifth of GPT-6 Astra's input and output rates. Long-context requests above 272K tokens jump to higher rates, and caching can cut repeated-input costs by roughly 95%.