Name: NVIDIA B300
Brand: NVIDIA
Price: 14.30 USD
Availability: InStock

Question 1

How much does the NVIDIA B300 cost per hour to rent?

Accepted Answer

On Runcrate the NVIDIA B300 starts at $14.30/hr per GPU on demand today, up to $16.77/hr depending on region and configuration. Billed by the second on most GPUs (a few bill by the minute), with no commitment. For a cluster of them, reserve one: we verify your company and your need, then take your exact spec to GPU owners that fit, and you see their offers side by side.

Question 2

Can I rent the NVIDIA B300 on demand right now?

Accepted Answer

Yes. The NVIDIA B300 is on demand in 2 regions today, billed by the second on most GPUs (a few bill by the minute) with no contract.

Question 3

B300 vs B200: which should I rent?

Accepted Answer

In NVIDIA's 8-GPU systems, B300 (Blackwell Ultra) has 288 GB of HBM3e per GPU (2.3 TB per machine) against B200's 180 GB (1,440 GB), both with up to 8 TB/s per GPU. B300 also has 1.5x the dense FP4 compute (13.5 vs 9 PFLOPS per GPU on the 8-GPU HGX board, NVIDIA spec). Dense FP8 and FP16 tensor throughput are the same on both, and INT8 and FP64 are much lower on B300. Pick B300 when the model needs the memory or you serve in FP4; pick B200 when the model fits in 180 GB or the job needs FP64.

Question 4

What can I run on a single B300?

Accepted Answer

In FP8, Llama 70B (70 GB of weights), Mistral Large 2 (123 GB) and Qwen3-235B (235 GB) fit on one B300, the first two with plenty of room for KV cache. Llama 405B in FP8 (405 GB) needs 2 GPUs, and DeepSeek-V3 or R1 in FP8 (671 GB) needs 3, more comfortably 4. For training, one B300 holds a BF16 LoRA of a 70B model (140 GB of weights); a full fine-tune of 70B needs an 8x node.

Question 5

Can I rent a B300 by the hour?

Accepted Answer

Yes, whenever it is in stock: pay as you go with no commitment, and the price at the top of this page is the live one. In an 8-GPU node every GPU talks to the others over NVLink 5 at 1.8 TB/s (NVIDIA spec). For a fixed term or a larger cluster, reserve one and GPU owners that fit send offers side by side.

GPU	Memory · FP16 tensor	Stands out	Price gap	From
NVIDIA B300This GPU	288 GB HBM3e · 2250 TFLOPS			$14.30/hr
NVIDIA B200	180 GB HBM3e · 2250 TFLOPS	-108 GB memory	-46%	$7.67/hr
NVIDIA GB200	186 GB HBM3e · 2500 TFLOPS	-102 GB memory		Not in stock right now
NVIDIA GB300	288 GB HBM3e · 2500 TFLOPS			Not in stock right now
AMD MI300X	192 GB HBM3 · 1307.4 TFLOPS	-96 GB memory		Not in stock right now

NVIDIA B300. 288 GB HBM3e, 2250 TFLOPS FP16 tensor.

288 GB of HBM3e. At up to 8.0 TB/s.

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