Key Findings According to G2’s analysis of 3,000+ verified AI Code Generation reviews, 992% of reviewers rated their tool positively, with an average category rating of 4.6 out of 5. Productivity and time savings were the benefits mentioned most often. In free-text dislikes, accuracy friction comes up constantly: up to 1 in 4 ChatGPT reviews (23%) and about 1 in 5 Gemini reviews (20%) mention it, both well above the 12% category average.