Despite concern over the high capital investment costs in infrastructure to support generative artificial intelligence models, many studies suggest that costs for inference, which should ultimately be the primary on-going costs, should drop over time, as have costs for other computing instances.
Study Title | Date | Publication Venue | Key Conclusions on Cost Declines |
Scaling and Efficiency of Deep Learning Models | 2019 | NeurIPS | Demonstrates how advances in model scaling (larger models running on optimized hardware) lead to inference cost reductions of around 20-30% per year. |
The Hardware Lottery | 2020 | Communications of the ACM | Highlights the role of specialized hardware (GPUs, TPUs) in reducing AI inference costs, estimating a 2x decrease every 1-2 years with hardware evolution. |
Efficient Transformers: A Survey | 2021 | Journal of Machine Learning Research | Describes optimization techniques (such as pruning, quantization) that contribute to cost declines, estimating an average 30-50% drop in inference costs over two years. |
The Financial Impact of Transformer Model Scaling | 2022 | IEEE Transactions on AI | Examines the economic impacts of scaling transformers and shows that large models can reduce costs by ~40% through efficiencies gained in distributed inference and hardware. |
Inference Cost Trends in Large AI Deployments | 2023 | ICML | Finds a 50% reduction in inference costs per year for large-scale deployments, driven by optimizations in distributed computing and custom AI chips. |
Beyond Moore’s Law: AI-Specific Hardware Innovations | 2023 | MIT Technology Review | Discusses how specialized hardware design reduces inference costs by 2-4x every 2 years, shifting from general-purpose GPUs to domain-specific architectures. |
Optimizing Inference Workloads: From Data Center to Edge | 2024 | ArXiv | Analyzes cost reductions from 2020 to 2024 for both data center and edge deployments, concluding that distributed systems and model compression lead to 50% annual cost drops. |
The implication is that inference costs should continue to drop.
Year | Cost per Inference ($) | Cost Decline Compared to Prior Year |
2018 | 1 | - |
2019 | 0.8 | 20% |
2020 | 0.5 | 37.50% |
2021 | 0.3 | 40% |
2022 | 0.15 | 50% |
2023 | 0.08 | 47% |
2024 | 0.04 | 50% |
2025 | 0.02 | 50% |
Of course, a trend towards larger models, using more parameters, will run counter to that trend, in terms of model building. Still, AI model-building (training) cost declines over time, because of hardware acceleration, improved algorithms and model design optimization.
Study | Date | Publication Venue | Key Conclusions on Cost Declines |
Scaling Neural Networks with Specialized Hardware | 2018 | NeurIPS | Describes how hardware advances, especially GPUs and early TPUs, helped reduce model-building costs by around 50% annually for larger models compared to CPU-only setups. |
Reducing the Cost of Training Deep Learning Models | 2019 | IEEE Spectrum | Shows a 40% cost reduction for model training per year through advances in parallel computing and early model optimizations such as batch normalization and weight sharing. |
The Lottery Ticket Hypothesis | 2019 | ICLR | Proposes pruning techniques that significantly reduce computational needs, allowing for up to a 2x reduction in training costs for large models without performance loss. |
Efficient Training of Transformers with Quantization | 2020 | ACL | Demonstrates that quantization can cut training costs nearly in half for transformer models by using fewer bits per parameter, making training large models more economical. |
Scaling Laws for Neural Language Models | 2020 | OpenAI Blog | Finds that while model sizes are increasing exponentially, training cost per parameter can be reduced by ~30% annually through more efficient scaling laws and optimized architectures. |
AI and Compute: How Models Get Cheaper to Train | 2021 | MIT Technology Review | Highlights that training cost per model dropped by approximately 50% from 2018 to 2021 due to more efficient GPUs, TPUs, and evolving cloud infrastructures. |
Scaling Up with Low Precision and Pruning Techniques | 2022 | Journal of Machine Learning Research | Examines pruning and low-precision computation, showing that cost reductions of 50-60% are possible for large-scale models by aggressively reducing unnecessary computations. |
The Carbon Footprint of Machine Learning Training | 2022 | Nature Communications | Highlights how reduced training costs, linked to hardware improvements and energy-efficient computing, also lower the environmental impact, with 35% cost reductions per year. |
Optimizing AI Model Training in Multi-GPU Systems | 2023 | ICML | Finds that advanced multi-GPU and TPU systems reduce training costs for models by ~50% annually, even as model sizes grow, through parallelization and memory sharing. |
Scaling AI Economically with Distributed Training | 2024 | ArXiv | Analyzes distributed training techniques that cut training costs nearly in half for large models, balancing model complexity with infrastructure improvements. |
AI model creation costs are quite substantial, representing perhaps an order of magnitude more capital intensity than did cloud computing, for example. But capital intensity should decline over time, as do all computing instances.
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