Quick Read
- AI coding tools rely on large language models but lack true understanding of code.
- Common errors include incorrect logic, missing code blocks, or nonexistent functions.
- GPT-4 achieves 85.7% accuracy in coding tasks, a significant improvement over earlier models.
- Strategies to reduce errors include detailed prompts, frequent testing, and manual code reviews.
- AI coding tools are aids, not replacements, requiring human oversight for optimal results.
How AI Coding Tools Work
AI coding tools, such as GitHub Copilot and Tabnine, are built on large language models (LLMs) trained on billions of lines of code. These tools predict the next segment of code based on patterns in their training data. However, as Dainius Kavoliūnas, Head of Hostinger Horizons, explains, “These models don’t truly ‘understand’ code. Instead, they estimate likely completions, which can lead to errors such as incorrect logic or missing code blocks.”
Common Errors in AI-Generated Code
AI-generated code is prone to several types of mistakes. According to a Vanderbilt University study, these include:
- Missing or incorrect code blocks
- Faulty logic
- Nonexistent functions or libraries
These issues arise because AI models often lack full context and rely on probabilistic predictions rather than understanding. This phenomenon, known as “hallucination,” highlights the limitations of AI tools.
Improving AI Accuracy
Despite these limitations, AI coding tools are improving. GPT-4, for instance, writes correct code on the first try about 85.7% of the time, a significant leap from earlier models. Efforts to enhance accuracy include:
- Training on more secure and accurate datasets
- Incorporating automated testing during code generation
- Developing smarter filters to catch errors
However, as Kavoliūnas points out, “Improving AI is a process, not a one-time task.”
Tips for Handling AI Errors
To mitigate errors, developers can adopt several strategies:
- Be specific: Write clear, detailed prompts with examples and restrictions.
- Test often: Regular testing catches bugs before deployment.
- Review manually: Always review AI-generated code, especially for critical functions.
- Ask for rewrites: If errors persist, ask the AI to simplify or rewrite the code.
The Role of Human Oversight
AI coding tools are powerful aids but not replacements for human developers. They excel in automating repetitive tasks and speeding up workflows but require human oversight for complex problem-solving and critical decision-making. As AI continues to evolve, its role in programming will likely shift towards enhancing human capabilities rather than replacing them.
AI coding tools represent a significant advancement in software development, but their limitations highlight the need for human oversight and critical thinking. By understanding these tools’ strengths and weaknesses, developers can leverage them effectively while minimizing risks.
Source: Startupsmagazine, Medium, Deloitte, Medium

