StepFun
@StepFun_ai
Scale-up possibilities for everyone.
API Platform:
HuggingFace:
가입 February 2025
177 팔로잉 중 16.5K 팬
Great to see Step 5 Preview live on @FeatherlessAI!
Frontier-level intelligence, competitive cost efficiency, and easier access for developers.
Step 5 Preview is here.
@StepFun_ai's new open-weights model sets a new Pareto frontier, matching Kimi K3 on the @ArtificialAnlys Intelligence Index!
It’s built for long-horizon agent work, with frontier-level results on software engineering and professional knowledge work, especially finance.
- 600B sparse MoE, 27B active per token
- ~1/6 the cost per task of Claude Opus 5.5, per Artificial Analysis
Now on Featherless, served at FP8.
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