Yesterday’s side‑by‑side release of #GPT‑5.5 and #deepseekv4 is interesting, but not for the usual “is this a leap?” debate. What stands out is that DeepSeek continues to operate near this tier at all, given the hardware and compute constraints they’re clearly optimizing against. That’s not luck; it’s a sustained signal about where leverage actually lives and the biggest battle in the industry. 🧵1/4