
How to Choose Between Sol, Terra, and Luna: Decoding the Performance and Cost of the Newly Released GPT-5.6
OpenAI has released the new model GPT-5.6, rolling out three tiers with different capabilities and price points. Rather than a simple price cut, it introduces mechanisms for controlling reasoning volume and parallel agent execution, shifting the axis for evaluating AI from per-token pricing to the total cost of completing a job.








