Retry costs rise when the team cannot explain why a generation failed. A better workflow defines the acceptance criteria before the next attempt. This guide proposes five practical gates. They are an editorial checklist, not a standardized evaluation issued by any model provider.
Gate 1 — Brief fit
Does the shot communicate the intended point? If a scene was requested to show a product being used, an attractive beauty shot of the closed box is not an acceptable substitute. Write the purpose as one observable sentence: “The viewer can identify the product and the interaction within the first three seconds.”
Gate 2 — Continuity
Compare subject identity, wardrobe or product variant, lighting direction, geography, and camera scale with adjacent approved shots. A clip that passes in isolation can fail once placed into a sequence. When relevant, use a contact sheet of neighboring approved frames and verify the join.
Gate 3 — Technical integrity
Check the actual output file, not only the web preview. Verify frame size, aspect ratio, duration, decoding, excessive blur, clipping, black frames, frozen segments, and audio channel mapping. A tool may advertise high resolution while individual results contain technical defects.
Gate 4 — Rights and factual accuracy
Document the source of any uploaded reference images, soundtrack, voice, brand assets, and generated material. Commercial use of the output does not automatically clear third-party intellectual property embedded in the inputs. For explainers or documentaries, check that visualizations are labeled when they are not real observational footage.
Gate 5 — Delivery readiness
Can this clip actually be used in the final timeline without heroic repair? Verify room for captions, clean in/out points, and compatibility with other scenes. If acceptance requires hours of manual restoration, compare repair cost against generating a replacement.
A pass / revise / stop example
Imagine an invented six-second product clip. The product is identifiable and the file decodes correctly. However, the logo warps at second four. The reviewer records: brief fit PASS, continuity PASS, technical PARTIAL, rights PASS pending source documentation, delivery FAIL. The decision is REVISE with the prompt constraint “product mark must remain stable throughout.”
After two more similar failures, the team may choose STOP and shoot or edit the required branded moment using authorized source footage. It is not productive to retry indefinitely simply because a model accepts another prompt.
Tie reviews back to spending
For each attempt log: date, model, seconds billed, credits charged, shot ID, gate failed, final disposition, and approved usable seconds. Once a sample is large enough to be representative, the producer can measure which failure categories cause the greatest cost.
The goal is a repeatable judgment process, not a promise of zero failures. Use the calculator to carry a measured attempts-per-accepted-shot assumption into your next budget.
Check the source and keep your inputs
Our examples show a decision-making method, not a live price quotation. Before purchasing credits, verify the provider’s billing method and current plan rules in its official credit documentation or the equivalent official page for the tool you use. Keep your calculations reproducible with our shot-by-shot CSV worksheet. See the methods and sources page for limitations and a full cost ledger.