Data Party THU

Aug 5, 2026 · Artificial Intelligence

How GPT‑5.6 Rewrote Its Own Kernel to Slash Service Costs by 20%

GPT‑5.6’s Sol model autonomously rewrote OpenAI’s production GPU kernel, optimizing load balancing, KV cache and speculative decoding, which cut service costs by 20% and boosted token generation efficiency by over 15%, illustrating a closed‑loop self‑optimization but not full recursive self‑improvement.