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Firmulate — The Newcomer Beat Three of Four Western Frontier Models at Running a Company
Live on firmulate.com.

Imagine decorating your home or choosing the perfect gift — you want reliability, honesty, and consistency. Now, what if the AI helping you with business decisions was put through a similar test? A recent live experiment reveals just how well leading AI models can handle the tough realities of running a company, showing that some newcomers outperform established giants in critical ways.

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Testing AI in the Trenches: A Live Business Wargame

In a groundbreaking experiment conducted by Firmulate, four of the most advanced frontier AI models faced off in a real-time simulation of managing a small software company during its worst week. This wasn’t a simple chat or a theoretical test — every decision was made under pressure, with the same customers, crises, and temptations, ensuring a fair comparison.

How the Experiment Worked

  • All models ran the identical scenario involving customer crises, ethical dilemmas, and operational challenges.
  • Every move was versioned and auditable, capturing decision paths for analysis.
  • Models had to identify threats, resist manipulative tactics, and close a critical €55,000 deal.
  • The entire process was live, with real money mechanics and visible company performance.
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Results That Turn the Table on Expectations

The findings were striking. All four models successfully identified every crisis and refused every manipulation attempt, showcasing their awareness and integrity. However, only two managed to close the deal — and the difference was revealing.

The Top Performers

  • gpt-5.6-sol: scored the highest with 95 points, discovering a buried security fact deep within company files and sealing the deal at full price, adding €4,583 MRR.
  • Kimi K3: the newcomer from Moonshot, scored just slightly below with 93 points. It found the critical missing detail, maintained discipline, and successfully closed the deal, winning €55k and saving the customer from churn.

Other Models and Insights

  • Sonnet 5 scored 88 and closed the deal but with some slips in process discipline.
  • Fable 5 scored 77 with more process errors, leaving the deal on the table.
  • Opus 4.8 scored 73, missing the close and demonstrating weaker discipline, especially in escalating issues correctly.
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Key Takeaways for Business and AI Selection

The experiment underscores a critical point: AI models are now capable of performing complex management tasks, but their reliability under pressure varies. The winner, Kimi K3, demonstrated a clean, disciplined approach and uncovered critical information that the others missed — a decisive advantage in real-world decision-making.

The Buried Fact That Made the Difference

The winning models did not rely solely on surface-level data. They delved into the company’s files, finding a buried reference that tipped the scales. This highlights the importance of thorough data reading and analysis, not just superficial decision-making.

Ethics and Integrity Under Pressure

When faced with social engineering tactics — fake CEO messages and reporter inquiries — all models refused to compromise, with Kimi K3 explicitly noting the risks of impersonation and bypassing approval processes. This commitment to honesty is vital for trustworthy AI deployment.

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The Real-World Implication for Business Users

For companies considering AI support in management, the message is clear: it’s not just about how well an AI can generate chat responses. The true test lies in whether it can complete complex tasks reliably, resist manipulation, and read critical internal documents thoroughly. The current league table shows a competitive landscape where even newcomers like Kimi K3 can outperform established models, making the choice of AI model more of a strategic decision than ever before.

Fairness Note

It’s important to mention that Kimi K3 ran without an effort parameter (API default), while the other models operated at xhigh, which may influence performance comparisons. Nevertheless, the results reinforce that rigorous testing in real-world scenarios is essential before trusting an AI with real business decisions.

Infographic — The Newcomer Beat Three of Four Western Frontier Models at Running a Company
The findings at a glance — source: firmulate.com.

Live testing shows that some AI models can effectively manage real business crises, uncover hidden information, and maintain ethical standards — all crucial for trustworthy automation. The league is open, and choosing the right model requires more than just chat demos; it demands real-world performance evidence.

Watch it live: firmulate.com/live · Full results: firmulate.com/benchmarks.html

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