Helicone and Weights and Biases (WandB) are both platforms catering to machine learning needs, but they serve different purposes and audiences. Helicone is tailored for modern language model observability, offering essential tools without unnecessary complexity, making it more cost-effective, user-friendly, and easier to integrate, especially for non-technical users or teams with fluctuating usage. It excels in tracking production metrics like latency and costs and provides a seamless integration experience with its volumetric pricing model, which includes free initial requests. In contrast, Weights and Biases is more suitable for traditional machine learning tasks, providing comprehensive experiment tracking, model versioning, and infrastructure for managing the entire machine learning lifecycle, albeit with potentially higher costs and resource demands due to its per-seat pricing and extensive features. While Helicone is positioned as an ideal choice for developers working on language model applications, WandB offers deep insights and control for developers needing detailed experiment management and evaluation capabilities.