Paripath

What Paripath does

Paripath Inc. is a privately held electronic design automation (EDA) software company founded in 2014 and headquartered in Milpitas, California, with a research and development subsidiary (Paripath Softwares Private Limited) in India opened in 2015. The company builds VLSI circuit characterization and simulation software for semiconductor foundries, IDMs, and IC design houses, with additional reach into universities via its Paripath University Program (PUP). Its core products are Guna, an ML-enabled characterization platform that generates standard cell, I/O pad, memory, and AMS IP models in industry-standard formats (NLDM, NLPM, CCS, ECSM, AOCV, LVF, Liberty, Verilog, IBIS); PASER, a simulator-agnostic circuit simulation accelerator claiming up to 50x speedup generally and 300x for PLL designs; and inCharge, a static analyzer for charge sharing violations in custom domino/dynamic circuits. All three are built on Paripath's proprietary BEST (Boolean, Electrical, Structural Stimulus, and Temporal) analysis engines.

The company distributes software through direct enterprise sales with evaluation licenses requested via Google Forms, through cloud-based SaaS (GUNA IDE) and PaaS (GUNA Shell) offerings hosted on Google Cloud, AWS, and DigitalOcean, and through a Partner Program (PPP) with marketing, support, and distributor tiers. Revenue streams span software licensing (Guna, PASER, inCharge), cloud subscriptions (GUNA IDE / GUNA Shell), outsourced characterization services for digital/custom/analog cells, and book sales. The company has no disclosed outside funding, no public revenue figures, and headcount listed at 1-10 employees, indicating a small, founder-led operation. Named customer engagements include a leading IC foundry (14nm library power bug discovery, 2018), a large GPU provider (PASER on PLL/SerDes/AMS designs, 2017), and a GPU Leader (ML services, 2021). Recognition includes a 2018 Best of Software Company award in Milpitas and 2021 plans to open source Guna for universities and non-profits.

Name

Paripath

Legal name

Paripath Inc.

Website

https://paripath.com

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

Paripath Inc. is a private EDA software company that provides ML-enabled VLSI circuit characterization (Guna), simulation acceleration (PASER), and charge sharing analysis (inCharge) tools to semiconductor foundries, IDMs, and IC design houses, with cloud delivery and characterization services.

Ownership category

akta.pro rank

Product category

Electronic Design Automation (EDA) Software

NAICS

Software Publishers (513210), Custom Computer Programming Services (541511)

SIC

Services-Computer Programming Services (7371), Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

EDA Software Platforms (Digital Implementation, Verification & Signoff) (HDAHAFAA)

akta.pro secondary industries

IP Enablement, Characterization & Porting Services (HDAHAFAI), Analog/Mixed-Signal & RF EDA Tools (HDAHAFAB), EDA Cloud/SaaS, Design Data Management & Collaboration (HDAHAFAJ)

Keywords

• VLSI circuit characterization
• Simulation acceleration software
• Electronic design automation
• Standard cell modeling
• Machine learning EDA

Headquarters

HQ city

Milpitas

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations

Revenue model

1. Software Licensing (Guna, PASER, inCharge): Commercial licensing of Paripath's characterization software (Guna), simulation acceleration software (PASER), and charge sharing analysis tool (inCharge). The company also offers free evaluation licenses via a Google Forms request.
2. Cloud Services (SaaS and PaaS): GUNA IDE offered as Software as a Service (SaaS) via cloud browser front-end. GUNA Shell offered as Platform as a Service (PaaS) for cloud shell-based characterization. Partners with Google, Amazon, and DigitalOcean for cloud infrastructure.
3. Characterization Services: Outsourced characterization services for foundries and design houses covering digital, custom, and analog cells. Deliverables include AOCV/LVF models, CCS noise/timing/power modeling, ECSM, NLDM/NLPM, and Verilog function models. Services include quality assurance and library correlation.
4. Books and Publications: Sale of technical books including 'Characterization and Modeling of Digital Circuits' (ISBN 1983144827) and 'Machine Intelligence in Design Automation' (ISBN 978-1980554356). Books available via Amazon and Paripath store with 20% discount codes.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels6 records

Core offering

Paripath develops and sells electronic design automation (EDA) software for VLSI circuit characterization and simulation acceleration. Its flagship Guna platform generates sign-off-accurate standard cell, I/O pad, memory, and AMS IP models in industry-standard formats (NLDM, CCS, ECSM, AOCV, LVF), while PASER accelerates circuit simulation up to 50x and inCharge detects charge sharing violations. The company also delivers outsourced characterization services and supports multi-cloud SaaS/PaaS deployments.

Product overview

Paripath offers a suite of VLSI simulation, characterization and modeling software and services for the semiconductor industry. The core products include Guna, a machine learning-enabled characterization platform for generating digital cell models (NLDM, CCS, ECSM, AOCV, LVF), and PASER, a circuit simulation accelerator that achieves up to 50x speedup using Machine Learning. Additional products include inCharge for charge sharing analysis. Cloud offerings (GUNA IDE and GUNA Shell) provide SaaS and PaaS access to the characterization platform. The company also provides characterization services and publishes educational books on characterization and machine learning in EDA.

Differentiator

Problem solved

Functional benefit

Brands

• Guna: Machine learning enabled characterization platform for standard cells, I/O pad, complex cells, memories and AMS IPs. Built on BEST in class analysis engines providing NLDM, CCS, ECSM, AOCV, LVF and other popular models.
• PASER
• inCharge
• Paripath University Program (PUP)
• Paripath Partner Program (PPP)

Products and services

• Guna Characterization Platform Machine learning-enabled characterization platform for standard cells, I/O pads, complex cells, memories, and AMS IPs. Generates NLDM, NLPM, CCS, ECSM, AOCV, LVF and other popular timing, power, noise, and variation models from circuit simulations for semiconductor foundries and IC design houses.
• PASER (Paripath Accelerated Simulation Environment) Simulator-agnostic circuit simulation accelerator that delivers up to 50x speedup using Machine Learning and BEST analysis engines. Supports Monte-Carlo statistical analysis and transient simulation with no change in design methodology or flow, and can simulate millisecond-scale 40M device PLL designs under an hour on cloud.
• inCharge Ultra-fast static analysis tool that detects charge sharing violations in custom domino/dynamic circuits. Identifies and reports violating nodes that could slow domino circuits or cause functional failure, addressing charge sharing issues in advanced node designs.
• GUNA IDE Cloud-based browser front end for the Guna characterization engine, offered as Software as a Service (SaaS). Enables setup and management of characterization workloads in the cloud for global enterprise customers.
• GUNA Shell Cloud shell environment for the Guna characterization platform, offered as Platform as a Service (PaaS). Provides advanced setup and management of cloud resources for enterprise characterization workloads on Google Cloud, AWS, and DigitalOcean.
• Characterization Services Outsourced VLSI circuit characterization and modeling services covering digital, custom, and analog cells. Deliverables include AOCV/LVF models, CCS noise/timing/power modeling, ECSM, NLDM/NLPM, and Verilog function models, with full quality assurance and library correlation for foundries and IC design houses.
• Characterization and Modeling of Digital Circuits (Book) Comprehensive technical book on VLSI characterization techniques and advanced modeling of digital circuits for modern process nodes up to 10nm, covering timing, power, noise, and variation (OCV, AOCV, LVF). Endorsed by professors from UCLA, UIUC, and IIT Guwahati.
• Machine Intelligence in Design Automation (Book) Technical book introducing machine learning techniques and their application to EDA problems, providing a practical overview of ML in VLSI-CAD. Endorsed by professors from UCLA, UIUC, and IIT Guwahati.

Quantifiable outcome

• 300x simulation speedup for PLL design at 10nm
• +4 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature5 records

Partnerships

Three partnerships are on record, tiered core.

• Google CloudcoreTechnology or IntegrationParipath leverages Google Cloud infrastructure to provide flexibility, security, and scalability for simulation and characterization workloads. Guna was the first commercial EDA ML-enabled app to run in the browser using Google Cloud servers.
• Amazon Web Services (AWS)coreTechnology or IntegrationParipath uses AWS for cloud infrastructure providing flexibility, security, and scalability for simulation and characterization needs. AWS is part of the multi-cloud partnership alongside Google and DigitalOcean.
• DigitalOceancoreTechnology or IntegrationParipath uses DigitalOcean as a cloud infrastructure partner providing flexibility, security, and scalability for simulation and characterization workloads. DigitalOcean is part of a multi-cloud strategy alongside Google and AWS.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Primarius Technologies: EDA vendor specializing in device modeling, characterization, and circuit simulation - a direct niche competitor to Paripath's Guna characterization platform, particularly in the Asian foundry ecosystem.
• Synopsys: Largest EDA vendor with a full characterization suite (Liberate) plus timing/power/noise tools across digital and analog; competes head-on with Paripath's Guna for sign-off cell-library QA inside foundries and design houses.
• Siemens EDA (formerly Mentor Graphics): Siemens' EDA division ships the Analog FastSPICE (AFS) and Solido Characterization suites, directly comparable to Paripath's PASER simulation acceleration and Guna characterization.
• ICScape (Primarius group): EDA specialist offering characterization, simulation, and verification tools - directly comparable niche competitor to Paripath Guna and PASER for digital and AMS cell modeling.
• Cadence Design Systems: Top-tier EDA vendor offering characterization (Liberate-based flows) and the Spectre suite for AMS simulation; overlaps Paripath's Guna characterization and PASER AMS acceleration categories.

Broad incumbents

• ANSYS: Major simulation vendor (Ansys RedHawk, Totem, SeaScape) used in chip-package-system verification; competes adjacent to PASER for AMS and system-level simulation in advanced-node design.
• Zuken: EDA vendor historically focused on PCB/package and system-level co-design; adjacent to Paripath's package/system-level ambitions and competes for EDA budget allocation in design houses.
• Keysight Technologies: Broad electronic-design-to-test vendor with EDA-adjacent simulation (PathWave, previously EEsof) and strong foundry/customer ties; potential overlap with PASER SPICE-class simulation use cases.

Emerging players

• Silicon Frontline Technology: Specialty EDA vendor focused on power, IR-drop, and electrostatic discharge analysis; overlaps with Paripath in custom/digital cell analysis tooling and serves similar advanced-node customers.

Regional players

• Empyrean Technology: China-based full-stack EDA vendor with characterization and simulation tools; a comparable regional peer serving Chinese foundries and design houses against which Paripath competes in APAC.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights6 records

Customer concentration

• Xx.com/paripathinc
• YouTubeyoutube.com/channel/UCTvddwI3CU6Sgg1HRoe_b0A
• Facebookfacebook.com/paripath
• LinkedInlinkedin.com/company/paripath-inc

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Paripath