How training artificial intelligence can become a source of extra income

2–3 minutes

Activities involved in AI training

Data annotation, also known as AI training, involves evaluating responses generated by artificial intelligence models, checking their accuracy, and helping machines learn from correct examples. Common tasks include comparing two AI outputs to determine which is more accurate and relevant, fact-checking and identifying reasoning errors, and suggesting improvements. Other activities include writing, translation, programming, and image analysis, where professionals provide feedback to help companies fix flaws and improve tool performance.

Skills required to work in this field

Not all positions require advanced programming skills. Many opportunities value language proficiency, research abilities, attention to detail, and critical thinking. More specialized projects may require prior experience or education in fields such as data science, finance, or programming. While programming skills can expand opportunities in certain roles, they are not universally required; for example, when evaluating texts, interpreting context and identifying fabricated information may be more useful than writing code. The selection process typically includes tests to verify that candidates meet the platform’s requirements.

Compensation and examples of opportunities

Riley Willis, a computer science student in the United States, works as a service provider for DataAnnotation Tech. He dedicates about 30 hours per week to remote work with flexible hours. His pay has increased from $20 to around $25 per hour, with some projects reaching $30. Rates depend on individual experience and do not guarantee the same earnings for others. DataAnnotation offers positions for individuals with general knowledge, language skills, and expertise in areas such as science, finance, and programming. On its Portuguese website, the company advertises an initial salary of $22 per hour for tasks involving response evaluation and improvement. Compensation and availability vary based on profile and project.

Challenges and precautions for those who want to work remotely

Flexibility comes with trade-offs. As service providers, workers do not receive benefits associated with formal employment, and payment depends on the terms of each contract. Time spent on breaks, research, or unpaid tasks can reduce effective hourly earnings. Willis notes that the work can become repetitive and that payment is only for time actually spent on tasks, but he values the ability to set his own schedule. For Brazilians, it is important to check whether the platform accepts residents of the country, what payment methods are available, and how foreign income is taxed. Before starting, it is advisable to research the company’s reputation, read the contract terms, and confirm payment rules. Be cautious of offers that require advance payment to unlock tasks. While AI training can generate supplementary income, project availability and earnings are not guaranteed.