RTX 3080~62 tok/s (Q4)

openai/gpt-oss-20b speed on RTX 3080

Quantization-specific throughput and VRAM requirements for openai/gpt-oss-20b running on RTX 3080.

Speed Snapshot

Topline estimate from compatibility data

Modelopenai/gpt-oss-20b

GPURTX 3080

Q4 speed62 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	10GB	62 tok/s	⚠️ Tight fit
Q8	20GB	10GB	51 tok/s	❌ Not recommended
FP16	41GB	10GB	25 tok/s	❌ Not recommended