calculator
Free AI Training Cost Estimator
Estimate the GPU-hours and dollar cost to pretrain or fine-tune a transformer model. Uses the standard 6N FLOP-per-token compute proxy, plus realistic 2026 GPU rates for H100, H200, B200, and A100 across the major cloud providers. Supports full pretraining, continued pretraining, LoRA, and full SFT scenarios. Includes electricity, networking, and utilization assumptions.
Inputs
Results
Total Training FLOPs (×10^21)
5
Total GPU-Hours Required
1,497
Wall-Clock Time at Cluster Size (Days)
0
Compute Cost (GPU Rental)
$5,240
Electricity Cost
$225
Infra Overhead Cost
$984
Total Estimated Cost
$6,448
Cost per Billion Parameters
$806
Cost per Billion Training Tokens
$64
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About the Author
David Shadrake
David Shadrake works on strategic business development and tech partnerships, with focus areas across AI, fintech, venture capital, growth, sales, SEO, blockchain, and broader tech innovation. Read more of his perspective on partnerships, market dynamics, and emerging technology at davidshadrake.com.