CrashBench

Custom: the generic engine for any vision test set

The Custom preset exposes the bare engine: choose the model, write the prompt, stack deterministic ops. No preset guardrails, full control.

How it works

flux-dev2 credits
flux-devcustom

How it works

Presets cover the hottest cases, but the engine is generic — any vision subject is reachable. Custom is for when your case fits no box.

You keep both stages: one paid base image, then as many free deterministic variants as needed.

Key points

  • Full control: model, prompt, resolution, count, ops.
  • Same 2-stage economy: paid base + free variants.
  • The starting point for a vertical that has no preset yet.