Industry & Policy

Funding and acquisitions, regulation and lawsuits, markets and hiring.

StepFun Step 3.5 Flash reaches frontier-class scores with 11B active parameters

StepFun Step 3.5 Flash activates only 11B parameters inside a 196B MoE model, posts strong math and coding benchmarks, and ships as Apache 2.0 open weights.

April 2, 2026