KoldOS vs Writesonic: volume, or the fix.
Writesonic and KoldOS make different bets about what closes an AI visibility gap. Writesonic is a content and GEO suite that bundles AI article generation with visibility tracking and site audits, published from $79 per month on Starter up to $399 on Growth, with 50 to 200 tracked prompts and 15 to 50 AI articles per month depending on tier. KoldOS is a generative engine optimisation agency in Australia that generally does not add pages, and instead works on rendering, structured data, crawl access and rewriting the pages a business already has so that individual passages can be lifted. One bet is that more published material wins citations. The other is that the existing material is not being read.
01Side by side
What each of us actually sells.
Writesonic claims checked 8 August 2026
| Dimension | Writesonic | KoldOS |
|---|---|---|
| What it is | A combined content generation and AI visibility suite, sold as monthly plans.1 | An agency engagement covering diagnosis and then technical and editorial remediation. |
| Published pricing | Starter at $79/month, Basic at $199/month and Growth at $399/month, all billed annually. Enterprise is custom.1 | Scoped and quoted per engagement after a diagnostic. |
| Content output included | Starter lists 15 AI articles per month, Basic 25 and Growth 50.1 | No output quota. Content work is rewriting and restructuring the pages that already carry commercial weight. |
| Prompt volume | Starter lists 50 prompts tracked, Basic 100 and Growth 200, with daily answer limits of 50, 300 and 600.1 | A prompt set written for the category and published with the results. |
| AI platforms tracked | Starter, Basic and Growth track "ChatGPT, Gemini, Google AI Overviews". Enterprise tracks all 10 listed platforms including Perplexity, Claude, Grok, DeepSeek, Microsoft Copilot, Meta AI and Google AI Mode.1 | Chosen per client based on where that category's buyers are asking, and named alongside the results. |
| Site auditing | Starter lists 10 site audits at 100 pages each, Basic 20 at 1,200 pages, Growth 50 at 2,500 pages.1 | A manual audit scoped to why a specific site is absent from specific answers. |
| Acting on findings | Growth lists an "Action Center" trial of 5 off-page and 5 on-page actions per month, with full access listed on Enterprise.1 | Implementation is the engagement rather than a monthly action allowance. |
| Human involvement | Enterprise publishes "a dedicated strategy team". Lower tiers are published as software.1 | People throughout, since there is no software tier underneath the engagement. |
Sources
Every claim about Writesonic above is quoted from those pages and was checked on 8 August 2026. Products change their pricing and their feature tiers without notice, so treat anything here as of that date and check the source before deciding on it.
02When to pick them
Pick Writesonic if the real gap is that nothing has been published
Some sites genuinely have no content covering the questions their buyers ask, and no amount of technical work will make an absent page quotable. A business in that position, on a modest budget, gets article production, visibility tracking and site auditing from one $79 per month subscription, which is a fraction of what an agency retainer costs and addresses the actual blocker. Agency editing makes sense once there are pages worth editing.
03Questions
- What does Writesonic cost?
- Writesonic publishes Starter at $79/month, Basic at $199/month and Growth at $399/month, all billed annually, with Enterprise custom. Those figures were read from the Writesonic pricing page on 8 August 2026.
- Does publishing more content improve AI visibility?
- Sometimes, and it depends entirely on the diagnosis. Coverage gaps are real and more pages genuinely close them. Where a site is already comprehensive but unreadable at answer time, because it renders in the browser, blocks answer-time agents or buries its answers inside long documents, additional pages inherit the same problem and change nothing.
- Which platforms does Writesonic track on lower tiers?
- Starter, Basic and Growth are published as tracking "ChatGPT, Gemini, Google AI Overviews". Perplexity, Claude, Grok, DeepSeek, Microsoft Copilot, Meta AI and Google AI Mode are listed under Enterprise, which publishes all 10 platforms.
- Does KoldOS write content?
- Yes, though the emphasis falls on restructuring rather than volume. Most citation gaps close by making an existing passage self-contained, so it still says what it is about once the heading above it and the page around it are stripped away. That is editing work, and it does not need a monthly article quota.
- Can generated content be cited by AI assistants?
- Nothing stops it in principle, and engines do not label content by how it was produced. What they do weigh is whether a source is corroborated elsewhere and whether the business behind it is identifiable, and volume alone builds neither of those.
04Definitions
Content Chunking
Structuring a page into sections that each stand alone.
Passage Ranking
Retrieval that scores sections of a page, not the whole page.
AI Citation
When an assistant attributes part of its answer to your page.
Prompt Market Fit
Whether the questions you're measured on are the ones buyers ask.
Before you buy either
Find out what is actually broken first.
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