Actively hiring
Artificial Intelligence
Foundation Models
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Products
People
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Offices
Jobs
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Funding and backers
Team
1-10
employees, estimated range
Hiring now
12
+4 posted in 30 days
Backers
2
Union Square Ventures, Variant
Momentum
28/100
hiring for its size, rising traction
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jul 2024
Website went live first capture in the Wayback Machine
Tractionpublic signals, read monthly
Web presence
top 0.64%
of 133.2M domains by links, Common Crawl
Hacker News stories
2
best: 3 points
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers

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Foundation models for radiology practices and healthcare systems.
News
RL Post-Training on Macs
A decoupled reinforcement learning run of LFM2.5-8B-A1B on 14 Macs across 4 countries generating int8 rollouts, with one B200 computing every gradient in bf16. On PaperSearchQA, held-out pass@1 more than doubled, from 29% to 63%.
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Report
Pluralis: Towards Actually Open AI
AI represents something fundamental and powerful: an entirely new computing paradigm that will reshape how we work, learn, and interact. But today's AI landscape offers limited options: either access AI models through commercial APIs or use "open source"
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Report
Exclusive: Pluralis raises $7.6 million from prominent investors to take on OpenAI with big decentralized models
Alexander Long has assembled a team of PhDs and postdocs to see if it's possible to build decentralized models that compete with the tech titans.
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Report
Pluralis Research Pioneers Protocol Learning to Scale Decentralized AI, Announces $7.6M Seed Round Led by USV and CoinFund
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Report
Pluralis: A 99designs-Style Approach to Improving Landing Pages
Pluralis is a kind of 99designs for copywriters. It puts writers into a competition to optimize a landing page.
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Report
Tech stack
Technologies named in job postings at Pluralis Research over the last 12 months, by layer, with the share of postings for each.
Technologies in use
33
Postings analysed
14
Stack modernity
83/100AI adopter
Languages
Python43%
Frameworks & libraries
PyTorch50%
DeepSpeed14%
FSDP14%
Megatron-LM14%
Cloud & platforms
AWS14%
GCP14%
vLLM14%
Agora7%
AI & ML
LLM29%
ChatGPT14%
Claude14%
Qwen14%
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Full Pluralis Research tech stack
33 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
47/100
Stable
Open positions
12
4 opened / 2 closed in 30 days
Median time-to-fill
27 days
faster than 48% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
AI/ML
86% ▲
Administrative
7% ▼
Operations
7% ▼
Actively hiring for AI/ML (+4 in 30 days)
Activity Timeline
+4 jobs in a week
Oct 2026
Added Machine Learning to stack
Sep 2026
Jobs
≈ $140k – $312k per year (Estimated) · Remote (United States, Australia) · Full-Time · San Francisco
Python
Qwen
DeepSpeed
PyTorch
Post-training
Megatron-LM
FSDP
Apply
≈ $148k – $329k per year (Estimated) · Remote (United States, Australia) · Full-Time · San Francisco
Post-training
Pre-training
Apply
≈ $141k – $313k per year (Estimated) · Remote (United States, Australia) · Full-Time · San Francisco
Reinforcement Learning
MLX ML
LLM
Post-training
Apply
≈ $141k – $315k per year (Estimated) · Remote (United States, Australia) · Full-Time · San Francisco
Python
vLLM
RLHF
SGLang
PyTorch
Post-training
Reward Modeling
Apply
≈ $130k – $290k per year (Estimated) · Remote (United States, Australia) · Full-Time · San Francisco
Python
Asyncio
AI/ML
Post-training
Pre-training
Mobile
Agora
DevOps
Terraform
GCP
CloudFormation
Prometheus
Pulumi
Azure
AWS
Docker
Kubernetes
Grafana
Platform Engineering
Amazon EKS
Amazon S3
Apply
Remote (Australia) · Internship · Master's Degree
Python
PyTorch
Machine Learning
DevOps
GCP
AWS
Apply
Remote (United States, Australia) · Internship · PhD · San Francisco
PyTorch
Apply
≈ $148k – $329k per year (Estimated) · Remote (United States, Australia) · Full-Time · San Francisco
Post-training
Pre-training
Apply
≈ $141k – $313k per year (Estimated) · Remote (United States, Australia) · Full-Time · San Francisco
Reinforcement Learning
MLX ML
LLM
Post-training
Apply
≈ $141k – $315k per year (Estimated) · Remote (United States, Australia) · Full-Time · San Francisco
Python
vLLM
RLHF
SGLang
PyTorch
Post-training
Reward Modeling
Apply
≈ $140k – $312k per year (Estimated) · Remote (United States, Australia) · Full-Time · San Francisco
Python
Qwen
DeepSpeed
PyTorch
Post-training
Megatron-LM
FSDP
Apply
≈ $135k – $301k per year (Estimated) · Remote (United States, Australia) · Full-Time · PhD · San Francisco
PyTorch
Post-training
Pre-training
Machine Learning
Apply

Union Square Ventures
Variant 



