Workbench
Plan the work, read the decisions the model was about to make for you, resolve the ones you care about, and get a 2026 prompt that honours your edits. Then send it round again.
1 · Start
Plan itruns the decision-revealing prompt: you see the plan and every choice it was about to make for you before any of it is baked into a prompt. It is the slow one — the model reasons at length before it writes anything, so expect to sit on “Thinking” for a while before text starts appearing.
2 · Decision log
Your edits are authoritative. A fork you leave showing several options becomes an instruction in the prompt to ask you before proceeding — it is never decided behind your back.
3 · 2026 prompt
The 2026-format prompt appears here. Run it in a fresh chat — or send it back round with Re-plan from this to see what it still leaves open.Nothing on this page is a hidden capability. These are the exact system prompts behind the three buttons — copy any of them into your own model and you have the whole workbench without this app.
This page sends what you type to a third-party model through the Vercel AI Gateway — don't paste anything confidential or unpublished. It is limited to 15 generations per 5 minutes per client, because the project is unfunded.