Eric Simons wants Bolt sessions training a trillion parameter open model. His post is about the open weight gap. For two years the story was "impressive, but eighteen months behind," and he says that lag is now measured in months. Several open weight labs ship real software, and each release cycle shrinks the delta. My read is the last stretch takes data, and the useful kind is expensive. Forge is Bolt's answer, launched with Arcee, Microsoft, Vercel, Fireworks and DigitalOcean. Once a…