It's so refreshing to see DeepSeek's tech report[1] full of juicy details; meanwhile, something like Fable's system card[2] is like 70% "safety", 10% "model welfare" to make sure little Claude isn't distressed, and 20% benchmark numbers. [1]: https://huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash/blob/... [2]: https://www.anthropic.com/claude-fable-5-1-mythos-5-1-system...
If you are distilling from other models (according to Anthropic reports they are [1]), there are probably a bunch of things that you can just do away with. [1] https://www.anthropic.com/news/detecting-and-preventing-dist...
Meanwhile, DeepSeek makes their models and methodology open, so Anthropic can (and likely do) grab without giving back.
[1] https://gist.github.com/wsxiaoys/e0286dc6bb624ff5fdf49e7f4c5...
[2] https://gist.github.com/wsxiaoys/102e8654c14d5d27b7b77532026...