The first framework that can post train DeepSeek V4-pro on a single-node?

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[ARTICLE · art-16161] src=news.ycombinator.com ↗ pub=2026-05-28T07:22Z topic=large-language-models verified=true sentiment=↑ positive

The first framework that can post train DeepSeek V4-pro on a single-node?

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.

read1 min views22 publishedMay 28, 2026

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!

Blog post:

https://spherelab.ai/orbit/

source & further reading

news.ycombinator.com — original article Need Unbiased and Real Assessment Open-sourcing Finsight, based on Qwen3-14B for financial reasoning ALHR-A tree based sparse attention system that retains long context accuracy

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Read original on news.ycombinator.com → news.ycombinator.com/item?id=48305743

mentioned entities

Orbit