The Complete GPT-5.5 and GPT-5.6 Model Selection Guide: Choosing Between Sol, Terra, Luna, and GPT-5.5 for Every Use Case
The GPT-5.6 and GPT-5.5 model families give teams a full spectrum of options—from elite reasoning and domain specialization to cost-optimized throughput and low-latency serving. This guide provides an end-to-end, technically grounded framework for choosing among GPT-5.6 Sol, GPT-5.6 Terra, GPT-5.6…
