Companies

Phaidra

phaidra.ai

Phaidra builds reinforcement-learning AI agents that autonomously optimize cooling, power, and workloads in industrial AI facilities.

HQSeattle, Washington, United States
Employees51-200
Funding$120m
Revenue$8.8M ARR
8 active roles
Profile 6mo agoJobs checked 20h ago
AI / MLAI ApplicationB2B SaaSSeries B$50M-$200M

About

Phaidra builds AI-powered control systems and agents for industrial facilities, especially data centers and AI factories. Its reinforcement-learning software converts facility sensor data into operating decisions, integrates with existing control infrastructure, and continuously improves performance without requiring new hardware.

Market

Phaidra competes in B2B industrial automation and AI-native control software for energy-intensive, sensor-rich facilities, with a strong focus on AI factories and data centers. Its differentiation is self-learning reinforcement-learning agents that convert sensor data into operational actions, allow domain experts to configure controls without code, and operate in a hardware-agnostic manner; this category is positioned as offering faster payback than traditional automation vendors.

Target Customers

Large, energy-intensive industrial facilities, especially data centers and AI factories, as well as pharmaceutical and commercial-building infrastructure operators. The primary buyers are likely data-center, facilities, controls, and industrial-operations teams seeking automated optimization of complex cooling, power, and workload systems.

At a Glance

Problem

Phaidra addresses the operational and economic bottleneck of modern AI factories: coordinating power, cooling, and workload-management systems as facilities scale toward gigawatt capacity. These systems have historically operated independently, creating inefficiency, while traditional screen-and-alarm-based operations break down at scale. The stakes are unusually high because data centers spend roughly one-third of their energy cooling electronics, and in an energy-constrained environment every inefficient watt represents capacity that cannot generate revenue-producing tokens.

The clearest use case is liquid-cooled AI infrastructure, where rapidly changing workloads can create thermal spikes, GPU throttling, and lost compute capacity. Phaidra's agents target this problem by stabilizing cooling systems while enabling operators to run facilities hotter and more efficiently; the company reports a roughly 25% reduction in cooling energy and an approximately 80% reduction in workload-related thermal spikes in tests with NVIDIA.

Product / Service

Phaidra provides AI agents and control software for AI factories. Its portfolio spans liquid-cooling distribution units, chiller plants, power systems, racks, and workload management, with the goal of making the entire facility behave as one integrated system. The agents combine domain expertise with reinforcement learning: they observe operating outcomes, adapt autonomously, and continuously optimize mission-critical infrastructure rather than merely presenting operators with more dashboards. Phaidra Prism adds an AI assistant for technicians to interact with equipment data, while Phaidra Factory focuses on specialized agents that monitor and optimize infrastructure at scale.

The delivery model is B2B software-as-a-service for energy-intensive industrial facilities, sold as subscriptions without requiring customers to purchase additional hardware. The value proposition is higher tokens per watt, lower power-usage effectiveness and cooling costs, fewer thermal events, faster troubleshooting, and more available power for revenue-generating compute. Expansion can come from deploying the software across more facilities or extending it to additional equipment types.

Market

Phaidra competes in AI-native industrial control and data-center infrastructure optimization, increasingly focused on the emerging AI-factory operations category. Its specialist competitors include BrainBox AI, Vigilent, Fero Labs, and Grid Edge; Vigilent is particularly relevant because it targets data-center cooling. It also competes with automation incumbents such as Honeywell, Johnson Controls, Siemens, and Schneider Electric, which can bundle AI optimization with established building-management and industrial-control platforms.

Phaidra has substantial financing and ecosystem traction rather than appearing to be a pre-revenue concept. It raised more than $50 million in a Series B in October 2025, with reported total capital raised of approximately $120 million, and works with NVIDIA on AI-factory infrastructure. Publicly described market activity includes collaboration with CoreWeave and Applied Digital on liquid-cooled NVIDIA platforms, a deployment effort with ST Telemedia Global Data Centres in Singapore, and a UAE pilot involving Khazna Data Centers and government partners. A third-party directory estimates $22 million in revenue, although the evidence does not provide a company-reported or audited revenue figure.

Founders & Leadership

Jim GaoFounder
Co-Founder & Chief Executive Officer
Vedavyas (Veda) PanneershelvamFounder
Co-Founder & Chief Technology Officer
Katie HoffmanFounder
Co-Founder, President & Chief Operating Officer
David HarrisonChief Financial Officer
Chris VauseVP, Analytics & Observability

Funding History

2020-05
Pre-Seed$1.5M

Flying Fish Partners

2021-05
Seed$4M

Flying Fish Partners

2022-07
Series A$25M

Starshot Capital

2024-07
Series A extension$12M

Index Ventures

2025-10
Series B$50M+

Collaborative Fund

Recent News

2026-06-09
World's Top GreenTech Companies of 2026

TIME published its 2026 global GreenTech companies feature, which includes Phaidra among the U.S. company listings.

2026-03-25
America's Top GreenTech Companies of 2026

TIME and Statista recognized Phaidra among 250 companies advancing GreenTech, based on environmental impact, innovation, and financial strength.

2026-03-19
Backed by Nvidia, Seattle’s Phaidra targets data center overheating with proactive AI

GeekWire covered Phaidra’s collaborations with NVIDIA, CoreWeave, and Applied Digital to improve data-center energy efficiency and manage overheating with proactive AI.

2026-03-16partnership
Phaidra, CoreWeave and Applied Digital pioneer NVIDIA Max-Q AI factories with agentic liquid cooling management

Phaidra announced an AI-driven feed-forward control methodology for liquid-cooled AI data centers. The system reportedly reduced thermal spike overshoots by 75%–80%, with deployment scaling across CoreWeave’s liquid-cooled fleet.

2026-03-12partnership
Salute and Phaidra Partner to Deliver Industry-First Solution that Eliminates Key Obstacles to Scaling AI Computing

Salute and Phaidra announced a partnership focused on addressing infrastructure and operational obstacles to scaling AI computing.

2026-03-05product
Phaidra Launches AI Platform to Operate AI Factories at Scale

Phaidra launched Phaidra Prism at NVIDIA GTC26. The AI platform is designed to help data-center operators and technicians manage operations and meet the demands of AI workloads.

2026-02-04partnership
Ministry of Energy & Infrastructure, Khazna, Agility Announce Pilot to Implement Phaidra AI

The UAE Ministry of Energy and Infrastructure, Khazna Data Centers, and Agility announced a pilot to use Phaidra’s AI technology to improve energy efficiency across data centers and district-cooling operations.

2025-11-03partnership
Phaidra included in NVIDIA DSX Omniverse blueprint

Phaidra joined NVIDIA’s DSX Omniverse blueprint partnership, contributing AI agents intended to improve energy efficiency in gigawatt-scale AI infrastructure.

2025-10-01funding
Collaborative Fund Leads Phaidra's $50M+ Series B to Build the AI Factories of the Future

Phaidra announced a Series B round of more than $50 million led by Collaborative Fund, with participation from Helena, Index Ventures, NVIDIA, Sony Innovation Fund, and others. The capital will support Phaidra’s AI-agent ecosystem and international expansion.

2025-09-09partnership
Phaidra Included as 1 of 10 Ecosystem Specialists for AI Factory Operations

NVIDIA identified Phaidra as one of 10 ecosystem specialists for AI-factory operations. Phaidra’s role is to dynamically optimize power and cooling systems to maximize token generation and efficiency.

Active Roles

8
Remote - United Kingdom/Data & Analytics/15d ago
Remote/Solutions Engineer/18d ago
Remote - US/Canada (Eastern or Central Time)/Product/44d ago
Cambridge, England/Data & Analytics/48d ago
Remote - US/Canada/Customer Success Manager/85d ago
Remote/Solutions Engineer/182d ago
Remote/Operations/197d ago

Business Model

Phaidra monetizes an enterprise B2B software-as-a-service platform through subscriptions to its AI control system, which optimizes energy-intensive industrial facilities without requiring customers to buy additional hardware. Revenue can expand as customers deploy the system across more facilities or equipment types, with potential non-recurring engineering revenue from design-phase projects.

Products

AI control platform for industrial facilitiesAI-factory agents coordinating cooling, power, and workload managementLiquid-cooling optimization agent for AI workloads

Customers

MerckGoogle

Tech Stack

Reinforcement learningAI-powered autonomous control systemsIndustrial sensor and telemetry dataDomain-expert, no-code agent configurationGeneral-intelligence-based control

Competitors

BrainBox AI
Vigilent
Fero Labs
Grid Edge

Key Investors

Collaborative Fund, Index Ventures, Helena, Nvidia, Sony Innovation Fund, Flying Fish Ventures, Amazon Launchpad Sustainability Accelerator