Sourceful launches Riverflow 2.5 on OpenRouter

Riverflow 2.5 represents a major step forward in alignment and steering for image models by introducing user-controlled reasoning effort and explicit scoring rubrics, resolving typical issues of prompt misalignment in enterprise image workflows.

* Custom font control and background isolation (transparent/solid-color outputs) directly address crucial requirements for production design teams that generic generators ignore.

* The independent scoring rubric gives creators unprecedented leverage over composition, simplicity, and style alignment by guiding the model's internal thinking.

* Multi-image input support (up to 10 images on the Pro version) suggests strong capabilities in multimodal blending and compositing.

* Controllable reasoning steps represent a growing industry trend of applying test-time computation and chain-of-thought methods to domains beyond text.