# Tagged stepfun

> Announcements and real-world deployments of AI, checked against their sources and scored: open-weights releases, decision models in the wild, and what is actually in use.

- [StepFun releases Step 3.7 Flash, a 198B vision-language MoE with 11B active parameters](https://shipped.anth.us/open-weights/stepfun-ai-step-3-7-flash/index.md): Step 3.7 Flash is a 198B sparse MoE vision-language model with about 11B active parameters and 256k context, under Apache 2.0. (2026-05-23)
- [StepFun releases Step-Audio-EditX, a 3B open-weights model for editing and generating speech](https://shipped.anth.us/open-weights/stepfun-step-audio-editx/index.md): A 3B model that edits emotion and style in speech and does zero-shot text-to-speech. Weights and code are public; the weights licence is not stated. (2025-11-12)