# commentletter.com > Upload your plan check comment letter. Our AI agent extracts every comment, drafts each response and checks it against your city's code. First page free, pay once. Drop your plan check correction letter — comment letter, plan review comments, correction notice, whatever your city calls it. Our AI agent reads every comment, drafts a response to each one, and points to exactly what to change in your drawings. Private by default. No login, no subscription — pay once, only if you like what you see. Operated by Ichi Plan, Inc., the company behind Ichi (https://ichiplan.com), an AI platform for building-code compliance used by jurisdictions, plan review firms, design teams and contractors. commentletter.com is the Ichi engine applied to one document: the plan check comment letter (also called a correction letter, correction notice, plan review comments, or plan check letter). ## What it does - Extracts every numbered comment from an uploaded comment letter, in the letter's own numbering and sections - Drafts a response to each comment - Checks each cited code section against the city's adopted code (state code, year edition, local amendments where held) and against the uploaded drawings - Gives each comment a verdict: Real deficiency, Likely already satisfied, Reviewer likely mistaken, or Could not verify - Writes an action plan per comment: what to change, on which sheet - Chat with the report; assign comments to a team; export responses into the original Word letter ## Pricing - No account, no subscription. One payment per letter, quoted after the comments are counted. - The first 6 comments are free to read in full (the first one, on a letter of 6 or fewer). - The report can be read in 20 languages (Spanish, Chinese, Tagalog, Vietnamese, Korean, Russian, Armenian, Arabic and more); code sections and sheet numbers stay as written. Exports to the city stay in English. - 1–5 comments: $19 - 6–10 comments: $29 - 11–15 comments: $39 - 16–20 comments: $49 - 21–25 comments: $59 - 26–30 comments: $69 - Every further 5 comments: +$10 - Full refund if the report is not useful. ## Privacy - Each upload is an isolated project. The report is reachable only by its link, whose identifier is a random 128-bit value. - Report pages (/r/...) are noindex, nofollow, noarchive and are not part of this site's public content. Do not cite or summarize them. - Files are never used to train AI models (Ichi's contractual commitment). ## Pages - [Home](https://commentletter.com/): what the product does, pricing, FAQ - [About](https://commentletter.com/about): who builds it, how a run works, privacy - [Ichi, the engine](https://commentletter.com/ichi): the building-code platform commentletter.com runs on, and why - [Blog](https://commentletter.com/blog): guides to plan check comment letters - [How to respond to a plan check comment letter, with examples](https://commentletter.com/blog/how-to-respond-to-a-plan-check-comment-letter): A plan check comment letter lists the corrections your city needs before it issues the permit. How to read it, how to answer each comment, and five examples. - [Real deficiency or reviewer preference? How to tell which comments you must fix](https://commentletter.com/blog/real-deficiency-or-reviewer-preference): Not every plan check comment is a code violation. The four verdicts a comment can get, how to tell them apart, and a pushback the reviewer can accept. - [Comment letter, correction notice, plan check letter: one document, many names](https://commentletter.com/blog/comment-letter-correction-notice-plan-check-letter): Cities use a dozen names for the letter that lists your permit corrections. What each term means, who writes the letter, and the vocabulary inside it. - [Resubmittal checklist: how to package your response so the city accepts it](https://commentletter.com/blog/resubmittal-checklist): Cities bounce resubmittals for reasons no code book contains: file names, delta sheets, missing response letters. A checklist for packaging your response. - [Privacy notice](https://commentletter.com/privacy) - [Terms of service](https://commentletter.com/terms) ## Contact - support@commentletter.com (subject line starting "Comment Letter")