OpenAI Says GPT-5.6 Sol Self-Optimizes: 20% Lower Serving Costs

OpenAI · x · 2026-07-30

OpenAI announced that after deploying GPT-5.6 Sol, they used the model to advance its own runtime efficiency. Production GPU kernel improvements led to a 20% reduction in serving costs, while improved speculative decoding boosted token-generation efficiency by over 15%.

Related event: OpenAI Says GPT-5.6 Sol Self-Optimizes, Cutting Serving Costs by 20%(5 posts)→

Original post →

More from Infra

Infra channel →