Prices updated 2026-06-05 — sourced from live provider data

Lightning AI B300 Pricing Options

All available B300 instance types on Lightning AI, sorted by lowest hourly rate.

Region Instance Type Price/hr GPUs vCPUs RAM
US B300 SXM (1x) On-Demand $6.5000/hr Cheapest 1× GPU 28 vCPU 448 GB

About Lightning AI B300 Cloud Pricing

Lightning AI provides GPU cloud infrastructure built around the open-source Lightning framework — a PyTorch-native training and inference platform that handles distributed training, mixed precision, and model deployment with minimal boilerplate.

Why Choose Lightning AI for B300

  • Built-in Lightning framework for distributed training and FP8
  • Automatic multi-GPU and multi-node scaling
  • Simple CLI and Python SDK for instant provisioning
  • Managed model serving with vLLM integration

Best suited for: ML researchers and engineers already using or open to the PyTorch/Lightning ecosystem who want infrastructure that matches their workflow rather than fighting it.

Pricing Analysis

Lightning AI's cheapest B300 option starts at $6.5000/hr, which is 14% above the market average of $5.7264/hr. Lightning AI currently offers on-demand pricing only for B300. This means no commitment required, but you won't access the deeper discounts available from reserved or spot pricing.

Note: Lightning AI shines for teams that live in PyTorch. If you use Lightning for training, their cloud removes the DevOps overhead of distributed setup. Pricing is competitive with Lambda and Jarvis Labs tier.

Top Alternatives to Lightning AI for B300

Side-by-side cost comparison vs the cheapest Lightning AI B300 rate ($6.5000/hr).

Provider Price/hr Type vs Lightning AI
Lambda Labs $4.9500/hr On-Demand -24% cheaper vs Lightning AI
Shadeform $4.9500/hr On-Demand -24% cheaper vs Lightning AI
TensorDock $4.9900/hr On-Demand -23% cheaper vs Lightning AI
CoreWeave $5.2000/hr On-Demand -20% cheaper vs Lightning AI
Together AI $5.2500/hr On-Demand -19% cheaper vs Lightning AI

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Frequently Asked Questions

How much does Lightning AI B300 cost per hour in 2026? +
Lightning AI B300 starts at $6.5000/hr (on-demand). The market average for B300 across all providers is $5.7264/hr. Use the GPU cost calculator to estimate total cost based on your hours and workload type.
What are the cheapest alternatives to Lightning AI for B300? +
There are 9 providers offering B300 cheaper than Lightning AI: Lambda Labs at $4.9500/hr, Shadeform at $4.9500/hr, TensorDock at $4.9900/hr, and 6 more. 1 other provider offers B300 at higher rates. See the full comparison table for all B300 providers.
Does Lightning AI offer reserved or spot B300 pricing? +
Lightning AI offers 1 pricing type for B300: on-demand. With on-demand only, you pay per hour with no commitment. While you won't get reserved or spot discounts, this provides maximum flexibility for unpredictable workloads.
What workloads is Lightning AI B300 best suited for? +
Lightning AI is a developer focused provider — ML researchers and engineers already using or open to the PyTorch/Lightning ecosystem who want infrastructure that matches their workflow rather than fighting it.
How much does it cost to run B300 on Lightning AI for a month? +
At Lightning AI's cheapest B300 rate of $6.5000/hr: running 24/7 costs ~$156.00/day or ~$4745.00/month per GPU. For training jobs, costs scale linearly — a 100-hour training run would cost ~$650.00. Multi-GPU configurations multiply accordingly. Use the cost calculator for precise estimates with your specific parameters.
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