{"product":"NeverPrompted","url":"https://www.neverprompted.com","currency":"GBP","updated":"2026-08-11","plans":[{"id":"anonymous","name":"Free","price":0,"interval":null,"wordsPerDocument":1500,"checksPerMonth":null,"machineCallable":false,"rewrite":{"modelTier":"standard","unlimited":false,"tellLibrary":"core","tokensPerWindow":20000,"windowDays":7,"onDevice":true},"notes":"Checking runs entirely in the browser and the document is not uploaded, so there is no server-side path for a programmatic caller to use. Checking is unlimited and never metered. Rewriting is always on-device on every plan, and is metered on this plan by a weekly token budget; the Pro rewrite engine is not included on this plan at all."},{"id":"pro","name":"Pro","price":19,"interval":"month","wordsPerDocument":100000,"checksPerMonth":null,"machineCallable":true,"rewrite":{"modelTier":"advanced","unlimited":true,"tellLibrary":"extended","tokensPerWindow":null,"windowDays":null,"onDevice":true},"includes":["Unlimited rewriting, with no weekly token budget","The Pro rewrite engine: a real language model in your browser, more candidates per passage, and the extended AI-tell library","The dated evidence report as a PDF: signal strength, per-passage breakdown, stated limits, document hash","API and MCP access to checking, metered; rewriting is always on-device, on every tier"]}],"metered":{"endpoint":"https://www.neverprompted.com/api/v1/check","mcp":"https://www.neverprompted.com/docs/mcp","unit":"words","unitSize":1000,"rounding":"up","pencePerUnit":2,"authentication":"Authorization: Bearer mw_live_...","billingNote":"Metered on words submitted. A document too short for a statistic to be computed still consumes one unit, because the work of measuring it was still done."},"rewriteCapability":{"summary":"Reduces detectable AI-style evidence (statistical watermark signal, where structurally possible, and human-perceptible AI tells). Always on-device, on every plan. Metered by a weekly token budget on the free plan and unmetered on Pro; the local package and the MCP server run it in the caller's own process and are not metered at all.","limitations":["Cannot guarantee defeating a model vendor's undisclosed watermark. Nobody outside that vendor holds the key it was applied with.","Heavier rewriting trades fidelity to the original wording for a larger evidence reduction.","No server ever receives the document for this feature, on any tier or surface. There is no hosted endpoint for it."],"interfaces":{"mcp":"https://www.neverprompted.com/docs/mcp","note":"No REST endpoint exists for rewriting, by design (see limitations above). Use the MCP server or the local package/CLI, both of which run the identical engine in the caller's own process."}}}