OpenAI's Inference Efficiency Rumored to Have a Secret Sauce
haider1 · x · 2026-07-17
OpenAI is believed to have a "secret weapon" for inference efficiency.
The author claims that GPT-5.6 Sol scores higher than Kimi K3 but uses only about half the output tokens, resulting in higher "information density." He also uses this to point out that recent Anthropic models are relatively less economical in token usage.
This is an assessment based on model efficiency and cost performance, not an architectural disclosure.
Related event: OpenAI Leads in Inference Efficiency as Open-Source Closes the Gap(2 posts)→
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