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How to pronounce cutlass

project community-consensus

kut luhs /ˈkʌtləs/ mp3

cutlass is most commonly pronounced "kut luhs" (/ˈkʌtləs/). This is the widely-used reading among engineers, though edge cases exist.

NVIDIA's CUDA C++ GEMM/linear-algebra template library; kernel backend behind vLLM, FlashInfer, and many 2025 LLM-serving stacks. The name is an acronym (CUDA Templates for Linear Algebra Subroutines and Solvers) deliberately landing on the sword 'cutlass' — say it exactly like that word. STRESS first syllable: KUT-luhs. NOT 'CUDA-lass' or 'cut-LASS'. Dictionary IPA /ˈkʌtləs/ (Oxford/Cambridge/Collins, same in BrE and AmE).

Source: NVIDIA/cutlass GitHub repo

Pronouncing project and product names correctly avoids the small but persistent friction of being gently corrected during standups, conference Q&As, and team calls. Hearing the word a few times locks in the right reading better than reading IPA ever will. Pronounce is a community-maintained dictionary — every entry tagged with a confidence level and (where possible) a citable source.

Hear it from the command line

$ say-it cutlass # primary × 3 + audible "or: …" for each alternate
$ say-it --why cutlass # print the dict entry with source URL

Install the CLI: git clone https://github.com/anzy-renlab-ai/pronounce.git && cd pronounce && ./install.sh

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