H3 tools

Plan, write, price, or repair a run

Start from the decision in front of you. Each tool works in the browser and points back to the relevant example, prompt, or source note.

4 tools

Tell us what you have. Get the H3 workflow, input limits, and the next step.

Shape a scene into a structured prompt and a ready-to-edit API payload.

Use current H3 rates to budget output seconds, retries, references, and 2K promotion.

Name what failed and get the smallest useful change to try next.

Need a visual target?

Choose an example before you choose settings.