Featherless tech stack
Featherless builds mostly with Python. Its stack also includes PyTorch, OpenAI, vLLM, JAX. PyTorch is named in 9 of the 19 job postings Featherless published in the last 12 months (47%). Counted by Alion from the job postings of Featherless, updated Sep 27, 2026.
What programming languages does Featherless use?
Python is named in 32% of job postings at Featherless.
Python
6 32%
What frameworks and libraries does Featherless use?
PyTorch is named in 47% of job postings at Featherless, followed by JAX (21%), ROCm (21%), Transformers (16%).
PyTorch
9 47%
JAX
4 21%
Transformers
3 16%
SGLang
2 11%
TensorRT-LLM
2 11%
Show all (13)
What cloud and platforms does Featherless use?
OpenAI is named in 32% of job postings at Featherless, followed by vLLM (21%), arXiv (16%), Hugging Face (11%).
vLLM
4 21%
Kubernetes
2 11%
CUDA Toolkit
2 11%
Spark
1 5%
What developer tools does Featherless use?
TensorRT is named in 21% of job postings at Featherless.
TensorRT
4 21%
What AI and ML technologies does Featherless use?
LLM is named in 21% of job postings at Featherless, followed by ChatGPT (16%), Claude (16%), LoRA (11%).
Which engineering practices does Featherless ask for?
Machine Learning is named in 42% of job postings at Featherless, followed by Quantization (32%), KV Cache (21%), Knowledge Distillation (16%).
Quantization
6 32%
Knowledge Distillation
3 16%
NLP
2 11%
Tokenization
2 11%
Fine-tuning
2 11%
Show all (12)
What does each Featherless team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
10 postingsSales
8 postingsHow does your stack fit Featherless?
How is the Featherless stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Featherless stack?
Featherless scores 81 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 5; legacy ones: 0.
How common is the Featherless stack in its industry?
Share of the 2,089 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Featherless apart
Companies with a stack like Featherless
Questions about the Featherless tech stack
What programming languages does Featherless use?
The languages named in Featherless job postings are Python (32%), as a share of the 19 postings of the last 12 months.
Does Featherless use PyTorch?
Yes. PyTorch is named in 9 of 19 job postings (47%) and required in 9 of them.
What cloud and platforms does Featherless use?
The cloud and platforms named in Featherless job postings are OpenAI (6), vLLM (4), arXiv (3) (postings in brackets).
What skills do you need for a AI/ML job at Featherless?
AI/ML postings at Featherless most often require PyTorch (9), JAX (4), Python (4), arXiv (3), out of 10 postings in the last 12 months.
Is the Featherless tech stack changing?
Yes. Hugging Face, Kubernetes, LoRA, SGLang first appeared in Featherless job postings in the last six months.
How modern is the Featherless tech stack?
Featherless scores 81 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 5; legacy ones: 0.
How does Alion know the Featherless tech stack?
Alion reads every job posting Featherless publishes and tags the technologies each one names. The figures on this page count the 19 postings of the last 12 months and were updated on Sep 27, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Featherless tech stack: 39 technologies from 19 job postings", as of Sep 27, 2026. https://alion.io/company/featherless/technologies