When AI Replaces Interpreters: What Happens When Multilingual Communication Fails

More and more, clients are asking the same question: Do we really need interpreters—or can AI do the job?

Recently, I came across a scenario shared within the industry that illustrates what this can look like in practice. At a large sales conference, a client initially agreed to include professional interpreters. The goal of the event was clear: expansion into new markets, equipping attendees with knowledge, strategies, and products they could bring back to their own regions.

However, as planning progressed, the client decided to move forward with an in-house AI solution instead. The reasoning was straightforward: reduce costs. The interpreting service was ultimately canceled.

In reality, the interpreting budget for a conference of this scale—around 10,000 attendees—is a very small fraction of the overall investment. Still, the assumption was that AI could replace that layer efficiently.

By the afternoon of the first day, the situation had changed. Connectivity issues began to surface, and users experienced noticeable lag. Some participants struggled with unstable connections, while others lost access altogether when their devices ran out of battery. Even with glossaries in place, terminology inconsistencies became apparent. What participants received was often fragmented and incoherent—disconnected phrases rather than clear communication. Jokes and puns did not translate, tone was lost, and there was little sense of connection with the audience. In some sessions, particularly those involving live music, speech recognition struggled significantly, making the output even less reliable.

As communication began to break down, frustration among attendees grew. Many had traveled long distances and invested significant time and resources to attend the conference. They expected to learn, engage, and expand their business opportunities. They had paid for access to information, yet that access was not being delivered effectively. Multilingual communication, in practice, was not working.

Beyond the technical challenges, a more fundamental issue became evident: there was no clear accountability. When problems arose, there was no one to step in, assess the situation, and make adjustments in real time. No one was actively monitoring whether meaning was being conveyed accurately or whether communication needed to be recalibrated. The system functioned in isolation, without the human oversight required to ensure quality and continuity.

By mid-afternoon, the client was urgently trying to secure human interpreters. However, this introduced a new set of challenges. Assembling a qualified interpreting team on short notice is complex. It requires coordination, availability, and preparation. Interpreters need access to materials, context, and alignment with one another to perform effectively. Even when last-minute solutions are possible, they often come with increased costs, added pressure, and limited options.

It is important to understand that communication in live events is inherently dynamic and highly contextual. Interpreters are not passive conduits of language; they are active participants in the communication process. Speakers adjust their tone, introduce new ideas, reference cultural elements, or shift direction without notice. Events include unpredictable elements such as live music, guest speakers, videos, or spontaneous interactions. Maintaining clarity in these conditions requires more than linguistic output—it requires judgment, contextual awareness, and the ability to adapt instantly.

Without that human layer, achieving clear multilingual communication becomes significantly more difficult. While AI can support certain aspects of communication, it does not provide the level of responsibility, adaptability, or accountability required in high-stakes environments.

This does not mean that AI has no place in the field. It is already part of the ecosystem and can be useful in specific contexts. However, support should not be confused with responsibility. In corporate, governmental, international, and sales-driven events, where communication directly impacts outcomes, responsibility remains essential.

Ultimately, much of the work that ensures effective multilingual communication is not immediately visible. It becomes noticeable only when it is absent. When communication fails, the consequences extend beyond operational inconvenience. There are tangible financial implications: reduced engagement, dissatisfied participants, reputational impact, and the need for costly last-minute solutions.

For that reason, multilingual communication should not be treated as an area where compromises can be made lightly. When it is properly supported, it allows events to run smoothly and participants to engage fully, often without drawing attention to itself. When it is not, the effects are immediate, visible, and difficult to recover from.

If you are planning a multilingual event and want to ensure communication works as intended from the start, feel free to reach out.