NVIDIA RTX A6000 llama.cpp: gpt-oss 20B (MXFP4) prompt processing at 4k context
3490.6 tok/s (pp4k, per-request batch-1)
Fields
id
benchmarks/hc26-a6000-gptoss-20b-mxfp4-4k-ppMetric
prefill_tok_s
Value
3,490.6
Unit
tok/s (pp4k, per-request batch-1)
Model
gpt-oss 20B (MXFP4)
Methodology
THIRD-PARTY MEASURED (Hardware Corner GPU LLM Benchmarks page, tables dated March 2026). llama.cpp llama-bench, GGUF, single GPU, batch-1. NVIDIA RTX A6000. gpt-oss 20B (MXFP4). Number is the 4k-context column of the Prompt Processing table: context depth the run was measured at, not a fixed pp512/tg128. Per-request, NOT aggregate.
Measured by
third_party
Reproducible
yes