{"slug": "the-first-framework-that-can-post-train-deepseek-v4-pro-on-a-single-node", "title": "The first framework that can post train DeepSeek V4-pro on a single-node?", "summary": "SphereLab has open-sourced Orbit, a framework capable of reinforcement learning post-training of trillion-parameter models like DeepSeek V4 on a single node. The release aims to lower the hardware barrier for fine-tuning large language models, potentially enabling broader access to advanced AI customization.", "body_md": "We just opensourced a project called Orbit, which can RL post train trillion scale LLMs like deepseek v4. We found it pretty cool! Looking forward to some comments!\n\n- Tim\n\nBlog post:\n\nhttps://spherelab.ai/orbit/\n\nreply", "url": "https://wpnews.pro/news/the-first-framework-that-can-post-train-deepseek-v4-pro-on-a-single-node", "canonical_source": "https://news.ycombinator.com/item?id=48305743", "published_at": "2026-05-28 07:22:43+00:00", "updated_at": "2026-05-28 07:28:22.081675+00:00", "lang": "en", "topics": ["large-language-models", "artificial-intelligence", "machine-learning", "ai-research", "ai-infrastructure"], "entities": ["Orbit", "DeepSeek V4", "Sphere Labs", "Tim"], "alternates": {"html": "https://wpnews.pro/news/the-first-framework-that-can-post-train-deepseek-v4-pro-on-a-single-node", "markdown": "https://wpnews.pro/news/the-first-framework-that-can-post-train-deepseek-v4-pro-on-a-single-node.md", "text": "https://wpnews.pro/news/the-first-framework-that-can-post-train-deepseek-v4-pro-on-a-single-node.txt", "jsonld": "https://wpnews.pro/news/the-first-framework-that-can-post-train-deepseek-v4-pro-on-a-single-node.jsonld"}}