NVIDIA L40S~83 tok/s (Q4)

openai/gpt-oss-20b speed on NVIDIA L40S

Quantization-specific throughput and VRAM requirements for openai/gpt-oss-20b running on NVIDIA L40S.

Speed Snapshot

Topline estimate from compatibility data

Modelopenai/gpt-oss-20b

GPUNVIDIA L40S

Q4 speed83 tok/s

Q4 VRAM required10GB

Data Source

Calculation and benchmark status

Speed values come from the compatibility dataset (`estimatedTokensPerSec`) and are sorted by quantization.

For full verdict logic and alternate GPUs, see the canonical compatibility page.

Quantization Speed Table

Quantization	VRAM needed	VRAM available	Speed	Verdict
Q4	10GB	48GB	83 tok/s	✅ Fits
Q8	20GB	48GB	60 tok/s	✅ Fits
FP16	41GB	48GB	38 tok/s	✅ Fits