Artificial Intelligence companies in Software Testing Tools in San Francisco, United States
There are 23 Artificial Intelligence companies in Software Testing Tools in San Francisco, United States which include Testsigma, Promptfoo, Functionize, KushoAI, Deductive AI. Out of these, 16 startups are funded, with 3 having secured Series A+ funding.
Over the past 10 years, an average of 2 new companies have been launched annually. Notably, several of these startups have been founded by alumni of University of California (Berkeley), Cornell University and IIT Guwahati.
Here is the list of top Artificial Intelligence companies in Software Testing Tools in San Francisco, United States
1. Testsigma
Provider of AI-powered platform for continuous software testing and automation. The platform supports testing across web, mobile, API, and enterprise applications. It offers features such as test planning, development, execution, maintenance, and reporting. The platform integrates with CI/CD and DevOps tools to streamline testing workflows.
Key facts about Testsigma
- Founded Year: 2019
- Location: San Francisco (United States)
- Stage: Series A
- Total Funding till date: $12.8M
- Investors: MassMutual Ventures, Accel and 11 Others
- Latest Funding Round: Series A, Jun 05, 2024, $*****
- Tracxn Score: 61/100 What is this?
- Competitors Rank: 7 of 517 Competitors

2. Promptfoo
Open-source tool to test AI applications. The platform enables developers to test and debug LLM applications, identify vulnerabilities, and optimize performance. It runs a customized scan tailored to specific application, detecting issues like PII leaks, insecure tool use, jailbreaks, harmful content, competitor endorsements, political statements, and medical and legal advice.
Key facts about Promptfoo
- Founded Year: 2023
- Location: San Francisco (United States)
- Stage: Acquired
- Total Funding till date: $23.6M
- Investors: Insight Partners, Andreessen Horowitz and 3 Others
- Latest Funding Round: Series A, Jul 01, 2025, $*****
- Tracxn Score: 59/100 What is this?
- Competitors Rank: 14 of 807 Competitors
3. Functionize
Cloud based platform offering software for automated testing. The platform allows web users to record and run functionality test cases by just pointing and clicking. Users can schedule and run tests on different browsers. Members can capture mobile website workflows in a browser environment and run tests on the cloud to ensure that the site runs properly on the web and mobile. Provides a dashboard to measure and check the load and performance of the website. Provides integration for GitHub, circle ci, Heroku, Jenkins and Jira.
Key facts about Functionize
- Founded Year: 2014
- Location: San Francisco (United States)
- Stage: Series B
- Total Funding till date: $67M
- Investors: Mumford Investments, LHH Investments and 4 Others
- Latest Funding Round: Series B, Aug 19, 2025, $*****
- Tracxn Score: 58/100 What is this?
- Competitors Rank: 8 of 178 Competitors
4. KushoAI
Provider of an AI-powered platform for software reliability and security. The platform offers API contract testing, continuous security scanning, and comprehensive test coverage across services. It validates workflows across databases and UI layers, testing critical user journeys end to end. The platform detects contract drift and automatically updates impacted tests. It assigns every release an AI-computed risk score based on changes and failures.
Key facts about KushoAI
- Founded Year: 2022
- Location: San Francisco (United States)
- Stage: Seed
- Total Funding till date: $600K
- Investors: Antler, Blume Venture and 4 Others
- Latest Funding Round: Seed, Feb 22, 2024, $*****
- Tracxn Score: 52/100 What is this?
- Competitors Rank: 14 of 358 Competitors
5. Deductive AI
AI powered software solutions to automate debugging and root-cause analysis of software issues. It mitigates software outages by leveraging artificial intelligence to understand codebases and telemetry data, including metrics and events. It offers distributed systems for identifying issues, and employs a microservice-based architecture to facilitate its operations.
Key facts about Deductive AI
- Founded Year: 2019
- Location: San Francisco (United States)
- Stage: Seed
- Total Funding till date: $7.5M
- Investors: CRV, Databricks and 2 Others
- Latest Funding Round: Seed, Nov 12, 2025, $*****
- Tracxn Score: 48/100 What is this?
- Competitors Rank: 25 of 254 Competitors