U.S. labs lean on RL while Chinese labs favor SFT on successful traces
goyalshaliniuk · x · 2026-07-22
A short observation on training trends across labs:
- U.S. AI labs appear to rely on RL more often.
- Chinese labs appear to use SFT on successful traces more often, and the author says this can be very competitive.
- Kimi K3 is cited as soft evidence for that claim.
The post is not a formal result, but a concise industry-level hypothesis about how reasoning models may be trained.
Related event: Divergent Sino-US Training Paradigms and New SFT Alignment Ideas(5 posts)→
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