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Description

Engineering teams shipping with AI have a new bottleneck: validation. Code output has accelerated. Quality hasn't. Checksum closes the gap. Checksum is a continuous quality platform with a suite of AI agents that handle testing end-to-end, at every stage of the development lifecycle. Where most tools wait for a human to trigger them, Checksum runs autonomously in the background, generating tests, executing them, and repairing failures without manual intervention. Seventy percent of test failures are resolved automatically through real-time auto-recovery. The platform covers every layer: end-to-end UI flows via Playwright, API endpoint chains, and targeted CI tests scoped to exactly what changed in a PR. All tests land as real code in your repository and are delivered as standard Playwright, owned by your team. Checksum is fine-tuned on 1.5+ million test runs and integrates natively with Cursor, Claude Code, and 100+ AI coding agents. Type /checksum and your coding agent's output gets tested before it ever reaches review. Generation and healing happen on Checksum's cloud infrastructure which means no LLM tokens consumed, no local resources required. The result: test suites that stay green as the product evolves, fewer regressions reaching production, and release confidence that scales alongside AI output.

Description

CoTester stands as the pioneering AI agent for software testing, poised to revolutionize the field of software quality assurance. This innovative tool is capable of identifying bugs and performance problems both prior to and following deployment, delegating these issues to team members, and ensuring their resolution. Designed to be onboardable, taskable, and trainable, CoTester can perform daily tasks akin to a human software tester, smoothly fitting into current workflows. With its pre-training in advanced software testing principles and the Software Development Life Cycle (SDLC), it significantly enhances the efficiency of quality assurance teams by facilitating the writing, debugging, and execution of test cases at a speed up to 50% faster. Furthermore, CoTester exhibits conversational adaptability, enabling it to comprehend and address intricate testing scenarios while constructing high-quality context tailored to specific project needs. Its seamless integration with existing knowledge bases allows for effective access and utilization of current project documentation, making it an essential asset for any software development team. As a result, CoTester not only improves testing efficiency but also enhances collaboration among team members, ultimately contributing to superior software quality.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

CircleCI Yes 
GitHub Yes 
Microsoft Teams Yes 
Slack Yes 
Airtable No 
Apple iOS No 
Azure DevOps Server No 
Azure OpenAI Service Yes 
Claude Code Yes 
Discord Yes 
Gemini Yes 
Google Chat Yes 
Groq Yes 
Jira No 
Miro No 
OpenAI Yes 
Playwright Yes 
Selenium No 
Trello No 
monday AI work platform No 

Integrations

CircleCI Yes 
GitHub Yes 
Microsoft Teams Yes 
Slack Yes 
Airtable Yes 
Apple iOS Yes 
Azure DevOps Server Yes 
Azure OpenAI Service No 
Claude Code No 
Discord No 
Gemini No 
Google Chat No 
Groq No 
Jira Yes 
Miro Yes 
OpenAI No 
Playwright No 
Selenium Yes 
Trello Yes 
monday AI work platform Yes 

Pricing Details

Based on tests maintained. Unlimited test runs. Unlimited auto-healings. Unlimited users. Pricing based on the number of tests maintained.
Free Trial Yes 
Free Version No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) Yes 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Vendor Details

Company Name

Checksum.ai

Country

United States

Website

checksum.ai/

Vendor Details

Company Name

TestGrid.io

Founded

2015

Country

United States

Website

testgrid.io/cotester

Product Features

API Testing

Functional Testing Yes 
Fuzz Testing No 
Load Testing No 
Penetration Testing No 
Runtime and Error Detection No 
Security Testing No 
UI Testing Yes 
Validation Testing Yes 

Automated Testing

Hierarchical View No 
Move & Copy No 
Parameterized Testing No 
Requirements-Based Testing No 
Security Testing No 
Supports Parallel Execution No 
Test Script Reviews No 
Unicode Compliance No 

Functional Testing

Automated Testing No 
Interface Testing No 
Regression Testing No 
Reporting / Analytics No 
Sanity Testing No 
Smoke Testing No 
System Testing No 
Unit Testing No 

Software Testing

Automated Testing No 
Black-Box Testing No 
Dynamic Testing No 
Issue Tracking No 
Manual Testing No 
Quality Assurance Planning No 
Reporting / Analytics No 
Static Testing No 
Test Case Management No 
Variable Testing Methods No 
White-Box Testing No 

Product Features

Software Testing

Automated Testing No 
Black-Box Testing No 
Dynamic Testing No 
Issue Tracking No 
Manual Testing No 
Quality Assurance Planning No 
Reporting / Analytics No 
Static Testing No 
Test Case Management No 
Variable Testing Methods No 
White-Box Testing No 

Alternatives

Alternatives

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