GPT-6 Sol and Luna from OpenAI are now available through DigitalOcean Serverless Inference. Sol handles complex coding and agentic workflows at a fraction of frontier-tier cost: $2/M input and $10/M output. Luna is the cost-efficient tier for high-volume, tightly specified tasks at $0.10/M input and $0.50/M output. Run both on a single DigitalOcean invoice.