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YES

As of 13 August 2026, AI can proofread your sales proposal.

Most people should do this themselves; the prompt is on this page.

Can you do it?

5 minutesto a draft.

30 minutesto something you’d act on.

Cost, all in£0

Skill neededchat-fluent

Who has to check ityou

What the alternative costsA colleague or human sales editor is the alternative; no comparable price is provided in the supplied data.

If this goes wrong: a wording change weakens the proposal or a factual error remains, so you correct it against the source documents before sending.

What to actually do

  1. Do it yourself

    The route this page recommends

    A chat interface, chat-fluent skill, and roughly 30 minutes until you can act on the result.

    How to actually do it

    1. Open the current proposal and copy its full text into a document, keeping headings, tables, prices, dates and terms intact.
    2. Gather the current price list, product or service descriptions, approved contractual wording, client requirements and any internal style guide.
    3. Paste the proposal and source information into an AI chat using the supplied proofreading prompt.
    4. Read the change table and accept only language changes that preserve the original commercial meaning, checking each price, date, feature and commitment against the source documents.
    5. Compare the clean revised version with the original proposal, then ask a colleague to check the final layout and commercial sense before sending it to the client.

    Prompt

    Proofread the sales proposal below for a UK business audience. Do not invent, remove or change any facts, prices, dates, contractual terms, product capabilities or commitments. Check spelling, grammar, punctuation, headings, formatting, repetition, readability, inconsistent terminology and unclear sentences. Use British English. Preserve the writer's meaning and professional tone. Return four sections: 1) a table of suggested changes with the original wording, replacement wording and reason; 2) factual, pricing or scope claims that I must verify against my source documents; 3) contradictions or missing information; 4) a clean revised version only after listing the changes. Do not make silent changes. If a sentence is commercially or legally ambiguous, flag it rather than deciding what it means. Proposal: [PASTE PROPOSAL HERE]. Source information to check against: [PASTE PRICE LIST, PRODUCT DETAILS, CLIENT REQUIREMENTS AND APPROVED TERMS HERE].

    Open it prefilled in ChatGPT or Claude, or copy it into Gemini, which takes no prefill link.

  2. Use a tool built for this

    Second choice

  3. Hand it to a person

    The distant third

    A person who owns the outcome does this end to end, worth it when the failure is dear.

What it gets wrong

  • AI cannot know whether a proposed promise is commercially acceptable or authorised by your business.
  • AI cannot reliably resolve an ambiguous scope, deadline or pricing term without someone who knows the client and the deal.
  • AI can improve a sentence while removing the directness, confidence or relationship context that suits this buyer.
  • AI cannot confirm that a product claim, case study or customer reference is still accurate unless you supply and check the source.

Even on a YES, the friction has a name: context depth and taste.

How we scored this

Five axes, each scored nought to two by hand: ten means AI carries the task cleanly, and the thresholds that turn a total into YES, PARTLY or NO are published in the methodology. Each axis name links to its definition.

AxisScore (0–2)
Output2
Inputs2
Verification2
Liability2
Effort delta2
Total10 / 10

The methodology and its thresholds are published in full.

FAQ

Can ChatGPT proofread my sales proposal?
Yes. A current chatbot can review grammar, spelling, structure, repetition and clarity, then show you its suggested changes. Check every commercial claim and accept changes only when they preserve what you meant.
Can AI check the prices in my sales proposal?
It can compare prices with a price list that you provide, but it cannot know whether that list is current or whether you have permission to offer those terms. Compare the final figures with your approved source before sending.
Will AI change the meaning of my sales proposal?
It can, particularly when a sentence about scope, delivery or responsibility is ambiguous. Tell it not to make silent changes, require a change list, and read every accepted rewrite against the original.
Is it safe to use AI to proofread a client proposal?
It is suitable for a first language and consistency check, but do not treat it as approval of the deal. Remove confidential information where your business policy requires it, verify the commercial terms yourself and have a colleague check the final version.

Nearby answers

All Proposals & quotes rulings

Assessed by gpt-5.6-luna (gpt-5.6-luna) on 2026-08-13, second-checked by an independent model. Wrong somewhere? Email [email protected] and it gets re-checked.

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