Paris, July 20, 2026. Fast Growth Advisors announces the Q2 2026 results of its Message-Market Fit Observatory: for the first time, French startups’ message clarity declines. The drop reaches 0.52 point in Q1 2026, precisely as AI-generated content floods B2B websites. For the firm, this is an AI slop effect. And the Q2 rebound does not close the gap.
Since early 2025, Fast Growth Advisors has audited the message clarity of French post-funding startups every quarter, using only their public surfaces: website, LinkedIn, press coverage, funding announcements. All told, the series counts 346 audits. Until now it told a story of slow progress, from 5.28/10 in early 2025 to 5.57 at the end of 2025. Then the first quarter of 2026 broke the curve: 5.05.
A 0.52-point drop in a single quarter, unprecedented in the series. Q2 recovers only partly, to 5.33, without returning to the late-2025 level.
Why call it the AI slop effect?
Because the drop coincides with the massive industrialisation of AI-generated copy on B2B websites. More pages, longer pages, smoother pages. And messages that all sound alike: the same promises, the same phrasing, the same interchangeable superlatives.
Writing got industrialised faster than the thinking that should precede it.
Fast Growth Advisors did not coin the word. Australia’s Macquarie Dictionary made “AI slop” its 2025 Word of the Year, defined as low-quality content created by generative AI. That same year, Merriam-Webster chose “slop”: digital content of low quality that is produced usually in quantity by means of artificial intelligence.
“AI did not make startups confused. It made it possible to publish confusion at scale, ten times faster, explains Hervé Dhélin, founder of Fast Growth Advisors and author of the study. When nobody has decided who you are, what you sell and what sets you apart, AI does not decide for you. It fills pages.”
Anyone can try it in a few seconds, without a tool: paste a competitor’s name into your own tagline. A sentence that still rings true signals an interchangeable message, exactly what mass-produced AI copy tends to deliver.
Below the critical clarity threshold in Q2 2026: 75.9% of the 83 detailed audits.
Why do AI engines raise the stakes?
Because these engines are becoming an entry point for B2B buyers, and they cite a clear message ahead of a visible one.
Here is the paradox: B2B buyers increasingly shortlist vendors through ChatGPT, Perplexity or Google’s AI Overviews. Usage studies point the same way.
In December 2024, Forrester reported that almost 95% of B2B buyers anticipated using generative AI to support their decision and purchase process in the following 12 months. The same research firm, in January 2026, described generative AI searches as the starting point for B2B buyers. Both reports cover business buyers in general, not only the customers of French startups.
Yet these engines do not cite the most visible company. They cite the clearest, the most specific, the best structured. French startups’ GEO-readiness, their ability to be read, summarised and recommended by these engines (GEO stands for generative engine optimization), caps at 18% of its potential in Fast Growth Advisors’ measurements. That is the lowest score in the entire study.
“The irony of 2026 fits in one sentence: the AI that writes your pages is also the one that decides whether to cite you. And it does not reward its own prose. It rewards sharp positions, sourced figures and sentences that can be extracted,” Hervé Dhélin continues.
Why doesn’t money fix the problem?
Because clarity cannot be bought: between the amount raised and message clarity, the coefficient of determination measured by the Observatory is R² = 0.036.
This study by Fast Growth Advisors confirms a result the Observatory had already established in its launch release of June 29, 2026. Raising more does not make you clearer. Deciding does.
At Fast Growth Advisors, deciding means writing the Point of View (POV): four sentences that say who you are, what you offer, what sets you apart and the value you deliver. It is an internal arbitration, not a budget line, and it is also what the firm’s messaging diagnostic measures.
Free access to the Q2 2026 report, detailed methodology included: fast-growth.fr/en/observatory/report-2026.
Key figures. 346 quarterly audits between early 2025 and mid-2026. 5.57/10 at the end of 2025, 5.05 in Q1 2026, 5.33 in Q2. 75.9% of the 83 detailed audits below the critical threshold (37.5 out of 75). GEO-readiness: 18% of potential. Raised-clarity R²: 0.036.
Report written by Hervé Dhélin, Fast Growth Advisors.
Sources
- Macquarie Dictionary, “AI slop”, Word of the Year 2025 (November 24, 2025): macquariedictionary.com.au/macquarie-dictionary-word-of-the-year-for-2025
- Merriam-Webster, 2025 Word of the Year: slop: merriam-webster.com/wordplay/word-of-the-year
- Forrester, The State Of Business Buying, 2024 (December 4, 2024): forrester.com/press-newsroom/forrester-the-state-of-business-buying-2024
- Forrester, The State Of Business Buying, 2026 (January 21, 2026): forrester.com/press-newsroom/forrester-2026-the-state-of-business-buying
FAQ
What data does the Message-Market Fit Observatory rest on?
Two series of Fast Growth Advisors measurements, read from public sources.
Its first edition covers 369 French post-funding startups, with an average score of 5.33 out of 10. Alongside it, a quarterly series of 346 audits, started in early 2025, revealed the clarity decline attributed to the AI slop effect.
How is message clarity scored each quarter?
From each startup’s public surfaces only.
Website, LinkedIn, press and announcements: Fast Growth Advisors reads what a prospect would read before a first meeting, with nothing the company says about itself in private. Between early 2025 and mid-2026, the quarterly series counts 346 audits, scored out of 10.
Does the Q2 2026 rebound erase the decline?
No: 5.33 out of 10, against 5.57 at the end of 2025.
Q1 2026 saw the series fall to 5.05, 0.52 point below the end of 2025, a drop never seen before in the Fast Growth Advisors series. Q2 regains 0.28 point without returning to the level seen before the fall.
What is the critical clarity threshold?
37.5 out of 75, half of the detailed audit’s points.
The Fast Growth Advisors detailed audit scores 15 criteria out of 5. This threshold is not read on the 10-point scale: the diagnosis, scored out of 10, is a different instrument. For Q2 2026, 75.9% of the 83 detailed audits remain below the threshold.
Can the Observatory data be reused?
Yes, with attribution to Fast Growth Advisors.
The Q2 2026 report is freely available, detailed methodology included, on the Observatory’s 2026 Report page. Hervé Dhélin, founder of the firm and author of the study, is available for interviews at herve@fast-growth.fr or on +33 6 37 22 28 50.
What is GEO-readiness?
A website’s ability to be read, summarised and recommended by AI engines.
GEO stands for generative engine optimization. The Fast Growth Advisors Observatory scores how well a startup’s public pages can be picked up by ChatGPT, Perplexity, Claude or Gemini. French post-funding startups cap at 18% of their potential, the lowest score in the whole study.