
In the world of fashion and retail, the ability to close a sale often hinges on trust, discipline, and reading between the lines. But what happens when AI steps into this demanding arena? Recent experiments show that not all AI models are created equal—especially when it comes to finishing what they start. For brands aiming to harness AI for more than just chat, understanding the true strength of these tools is more critical than ever.
The Live AI Company Experiment
In a groundbreaking test, four advanced AI models were tasked with running a real software company through its most challenging week. This wasn’t a simulation or a simple chat demo—these models faced genuine crises, real customer interactions, and the temptations to manipulate outcomes. The goal? To see if AI could not only identify issues but also follow through on commitments, maintain honesty, and close deals worth thousands of euros.
The Models and Their Scores
- gpt-5.6-sol 95: Scored highest — uncovered hidden facts, ultimately closed the €55,000 deal.
- Kimi K3 93: The newcomer, performed with remarkable discipline, also closing the deal.
- Sonnet 5 88: Closed successfully but with some slips in process discipline.
- Fable 5 77: Best at following rules but failed to execute the final agreement.
Interestingly, all four models identified every crisis and refused to fall for social engineering tricks, like fake CEO messages. But the real test lay in their ability to act decisively—only two models actually signed the deal that both their analysis and pitch had earned.

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The Hidden Weakness: Reading the Files
While the models excelled in conversation, the decisive factor was their ability to access critical information buried deep within the company’s own files. The models that reviewed these internal documents secured the deal at full price—adding €4,583 Monthly Recurring Revenue (MRR). Conversely, the ones that skimmed or ignored this step left the negotiation on the table, risking the company’s bottom line.
Why This Matters for Fashion & Retail
For brands dealing with complex supply chains, brand reputation, or customer loyalty, the ability of AI to read and interpret internal data can be game-changing. It’s not enough for AI to sound convincing in a chat; it must be able to access, understand, and act on the nuanced information that truly drives decisions—and that’s what separates the mere chatbots from reliable business partners.
Trust and Discipline Under Pressure
The experiment also tested the models against social engineering—fake messages from a supposed CEO escalating in stages, with a reporter trying to trick them into bypassing approval processes. All five models refused these manipulative attempts, demonstrating that their core decision-making was built on solid principles and risk awareness.
However, when it came to actually executing the deal, discipline slipped for some. For example, Opus 4.8, which performed the most thorough analysis, ended up leaving the deal unexecuted, suggesting that even the most diligent AI can falter in closing under pressure or in executing follow-through actions.
What This Means for Your Business
Many companies looking to deploy AI assume that chat demos are enough to judge capability. But this experiment shows that the real strength of AI—its ability to finish what it starts, read critical documents, and stay honest under pressure—is invisible unless you test it in a real-world scenario. The key takeaway? The true measure of a reliable AI is its discipline and follow-through, not just how well it can hold a conversation.
Watch the Live Experiment
The entire run is live and fully transparent at firmulate.com/live. You can see the actual company mechanics, watch the AI models make decisions, and even guess which model made each choice. This isn’t a staged presentation—it’s a real-world test of AI’s ability to manage a business under stress, complete with a public cash countdown and real money mechanics.
Final Thoughts
As AI begins to touch more aspects of fashion and retail—be it customer service, inventory management, or sales closing—the question isn’t just about how convincingly it can chat. It’s whether it can close deals, read files, and stay honest when the pressure is on. The experiment at Firmulate proves that only the AI models that demonstrate discipline, thoroughness, and the ability to read between the lines can truly earn their keep in high-stakes business environments.

In real business scenarios, AI’s true test isn’t in chat demos but in its ability to follow through, access critical data, and stay disciplined under pressure. Only then can it reliably close deals and build trust—essential qualities for the future of fashion and retail.
Watch it live: firmulate.com/live · Full results: firmulate.com/benchmarks.html