Discover the complete comparison of GPT-5.6 Sol, Terra, and Luna, including benchmarks, pricing, performance, reasoning capabilities, coding strengths, API features, safety architecture, and real-world use cases. Learn which GPT-5.6 model is best for software engineering, enterprise productivity, scientific research, automation, and cost-efficient AI deployment, helping you choose the right model for your specific workloads in 2026 and beyond.
