Featherless AI
@FeatherlessAI
Freedom to reliably deploy any open model effortlessly.
Unlimited tokens for 30K+ models.
Open-source jev models on
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Anthropic’s S-1, in their own words: open-weight models “may capture a portion of the market… exert pricing pressure… lead certain customers to adopt open-source alternatives.”
And one paragraph earlier: competition “could increasingly depend on access to large-scale compute rather than on model development capability.”
In short: open source is good for everyone.
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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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