Last refreshed 2026-06-06. Next refresh: weekly.
Why use Riverflow 2.5 Fast on Runware?
Runware offers Riverflow 2.5 Fast with pay-as-you-go image pricing from $0.021/image. Runware is a multi-model generative API platform offering access to 148+ image, video, audio, and 3D generation models from leading providers via unified API.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: sourceful:riverflow-2.5@fastsourceful:riverflow-2.5@fastRequest example
sourceful:riverflow-2.5@fast.Gotchas
- Use provider model ID "sourceful:riverflow-2.5@fast", not the LLMReference slug "riverflow-2.5-fast".
Pricing
| Type | Rate |
|---|---|
| 1K image thinking effort | Low $0.021 / Medium $0.022 / Fast $0.025 |
Capabilities
About Riverflow 2.5 Fast
Riverflow 2.5 Fast by Sourceful. Speed-optimized text-to-image and image-to-image generation for latency-sensitive production workflows. Supports 1K and 2K resolution outputs with up to 4 input images for editing. Features controllable reasoning effort (low/medium/high). Best suited for rapid creative iteration, packaging exploration, branded product visuals, and latency-sensitive pipelines. Available on Runware.
FAQ
What API model ID do I use for Riverflow 2.5 Fast on Runware?
Use the model ID sourceful:riverflow-2.5@fast when calling Runware's API.
Who created Riverflow 2.5 Fast?
Riverflow 2.5 Fast was created by Sourceful as part of the Riverflow model family.
Is Riverflow 2.5 Fast open source?
Riverflow 2.5 Fast is not open source; the seed data lists it as proprietary.