VibeThinker-1.5B by Sina Weibo
1.5B language model with strong reasoning at tiny cost
3 followers
1.5B language model with strong reasoning at tiny cost
3 followers
VibeThinker-1.5B is a 1.5B-parameter dense language model trained for only $7,800. It delivers reasoning performance comparable to much larger models (e.g., GPT OSS-20B Medium) while staying small, efficient, and easy to run—ideal for research, startups, and edge deployment.





GNGM
What shocked me is that it’s a dense 1.5B-parameter model trained for just $7.8K that delivers reasoning performance comparable to much larger models (e.g., GPT OSS‑20B Medium). That’s huge for teams who need strong reasoning but can’t afford massive training or inference costs.