A developer detailed the true costs of training a custom Large Language Model (LLM) from scratch in 2025, contrasting it with a popular tutorial. While training a small 10M parameter model for educational purposes is inexpensive at $0.34, scaling to a 1B parameter model requires significant resources. Such a scaled model would take approximately 694 hours on an RTX 4090, costing around $305, and this estimate doesn't account for potential interruptions. AI
影响 Training LLMs from scratch is prohibitively expensive for most, reinforcing the value of existing foundational models for practical applications.
排序理由 Developer's personal experience and cost analysis of training an LLM from scratch, presented as a blog post.
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