Can I Run Cosmos 3 on NVIDIA L40S?

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 21 lipca 2026

Yes, comfortably — you'll have ~16 GB of headroom running Cosmos 3 Nano at BF16 (32 GB, ~43 tok/s (est.)).

Buy This HardwareNVIDIA L40S 48GB — 48 GB VRAM · 350 W board powerDeploy in the Cloud NowNVIDIA L40S on RunPod — from $0.86/hr · rate checked 2026-08

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NVIDIA L40S 48GB
48 GB VRAM · 350 W board power
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NVIDIA L40S Specs

VRAM48 GB
Memory Bandwidth864 GB/s

Cosmos 3 Nano on the NVIDIA L40S: VRAM by quantization

QuantVRAM neededFits 48 GB?Max context
F1633.5 GB✓ Yes16K
Q8_018.5 GB✓ Yes16K
Q6_K14.6 GB✓ Yes16K
Q5_K_M12.9 GB✓ Yes16K
Q4_K_M11.2 GB✓ Yes16K
Q3_K_M8.3 GB✓ Yes16K
Q2_K6.8 GB✓ Yes16K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 48 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

Cosmos 3 Sizes That Fit the NVIDIA L40S

Cosmos 3 NanoBF16 · 32 GB · ~43 tok/s (est.)
Cosmos 3 EdgeBF16 · 8 GB · ~128 tok/s (est.)
Buy vs. rent Cosmos 3
Buy the GPU
~$7,499
NVIDIA L40S · MSRP
Rent by the hour
from $0.55/hr
A100 (40 GB) class

At 2 hrs/day, buying (~$7,499) beats renting at $0.55/hr after about 18.9 years.

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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

FAQ

Will Cosmos 3 run on the NVIDIA L40S?

Yes, comfortably — you'll have ~16 GB of headroom running Cosmos 3 Nano at BF16 (32 GB, ~43 tok/s (est.)).

Which Cosmos 3 variant fits best on the NVIDIA L40S?

Cosmos 3 Nano at BF16 quantization (32 GB), estimated ~43 tokens/sec.

Every Cosmos 3 size on the NVIDIA L40S

SizeVRAMVerdictSpeed
Cosmos 3 Super128.0 GBRuns at Q4_K_M
Cosmos 3 Nano32.0 GBRuns~43 tok/s
Cosmos 3 Edge8.0 GBRuns~128 tok/s

Cosmos 3 on Other GPUs

Popular Models on the NVIDIA L40S

VRAM Tier

Troubleshooting

Buying Guide

← Can I Run It? | Cosmos 3 Model Page | NVIDIA L40S GPU Page | Check Your Hardware