The Best ATS Tools with AI Capabilities in 2025

Below, we've distilled five of the top ATS platforms that shine brightest today and serve different team structures — each with varying degrees of built-in or plug-in AI functionalities.

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A Few Platforms Include AI Capabilities Out Of The Box!

It's worth noting that not all ATS platforms are equally equipped to embrace AI. Some come with native tools to help review things like resumes, guide screening flows, or score candidates. Others are built to remain lean and flexible, allowing you to plug in third-party tools that fit your workflow. The right choice depends on how your team hires, the systems you already use, and how much control you want over your tech stack.

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Choosing The Right Approach To AI In Your ATS

Here are five ATS platforms that offer built-in AI capabilities, robust integration ecosystems, or both, to enhance modern recruiting workflows:

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1. Greenhouse

Best for: Corporate recruiting teams (mid to enterprise)

Greenhouse offers built-in AI features such as resume screening, job description writing suggestions, and structured interview guides with AI-generated questions. It also supports anonymized resume review and talent rediscovery.

• AI Features: Resume filtering, candidate scoring, interview content generation
• Integrations: 500+ integrations including tools like Sapia AI and HeyMilo, interview intelligence platforms, and more
• Approach: Built-in AI with strong optional plug-in support
• Why it stands out: A well-established platform with scalable automation and structured workflows that reduce reliance on third-party tools

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2. Bullhorn

Best for: Staffing and recruiting agencies

Bullhorn’s Amplify tool provides AI assistance for sourcing, outreach writing, job summaries, and resume matching. It's designed specifically for agency workflows and combines ATS with CRM capabilities.

• AI Features: Resume matching, outreach content generation, AI assistant within ATS
• Integrations: 300+ partners via Bullhorn Marketplace, including Salesforce tools
• Approach: Built-in AI with deep plug-in ecosystem
• Why it stands out: Designed for scale and speed, helping agencies place more candidates with less manual effort

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3. Lever

Best for: Mid-size teams and lean in-house recruiting

Lever blends ATS and CRM functionality and supports AI tools for candidate nurturing and early resume review. It also offers “Lever Nurture” to re-engage talent and surfaces best-fit applicants quickly.

• AI Features: Resume review, talent rediscovery, AI-assisted sourcing
• Integrations: 300+ partners, open APIs, and webhook support
• Approach: Core AI features with strong extensibility for additional tools
• Why it stands out: Great for smaller, high-output teams that want automated pipelines with room to customize

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4. Ashby

Best for: High-growth startups and data-driven teams

Ashby offers a unified recruiting platform combining ATS, CRM, and scheduling functionalities. It emphasizes responsible AI usage, providing features like AI-generated interview summaries, bias detection tools, and natural language reporting.

• AI Features: Interview transcript summarization, fairness checks, auto-tagging, AI-assisted report builder
• Integrations: Open APIs, integrations with tools like Metaview and Aspect for enhanced interview analytics
• Approach: Built-in AI + partners with a compliance-first focus
• Why it stands out: Ideal for teams prioritizing fairness, auditability, and data visibility

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5. Workable

Best for: Small to mid-sized businesses (SMBs) and mid-size teams seeking a user-friendly recruitment platform with both built-in AI features and integration flexibility

Workable provides an intuitive interface with AI-powered tools for resume screening, anonymized evaluations to support DEI initiatives, one-way video interviews, and a chatbot for early-stage applicant communication.

• AI Features: Resume screening, video interviews, DEI tools, chatbot
• Integrations: Native support for AI plugins, HRIS, interview software, and more
• Approach: AI built-in with a plug-and-play feel
• Why it stands out: Quick to implement with robust automation and no heavy setup required

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Why Your ATS's AI Capabilities Matter Now More Than Ever

In today's competitive job market, candidates are increasingly using AI tools to mass-apply for positions, leading to a surge in applications for each open role. This influx makes it challenging for recruiters to identify top talent promptly. Without efficient AI capabilities, your team risks falling behind, missing out on qualified candidates who are swiftly moving through streamlined hiring processes elsewhere.

Modern ATS platforms equipped with AI capabilities can streamline this process by providing timely updates and reducing biases in the hiring process. A strong ATS enables you to harness these efficiencies either out of the box or through connectors.

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Built-In vs. Plug-and-Play: Know What You're Getting Into

When evaluating ATS platforms, it's crucial to consider how AI capabilities align with your team's needs:

• Built-In AI: Ideal for teams seeking an all-in-one solution with native AI features like resume screening, candidate scoring, and interview scheduling. This approach offers streamlined workflows and minimal setup.
• Plug-and-Play Integrations: Best for organizations that prefer flexibility, allowing them to integrate preferred AI tools for specific functions such as specific chatbots, voice interviews, or bias detection. This modular approach enables customization to fit unique hiring processes.
• Hybrid Approach: Some platforms offer both robust built-in AI features and extensive integration marketplaces, providing the benefits of immediate functionality with the option to expand or customize as needed.

Assess your organization's hiring volume, technical resources, and specific requirements to determine the most suitable approach. Whether you prioritize a turnkey solution or the flexibility to tailor your tech stack, understanding these options will guide you to the right ATS platform.

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Enhancing Your ATS with HeyMilo

No matter which ATS you use — whether it's Greenhouse, Bullhorn, Lever, Ashby, Workable, or another — HeyMilo integrates smoothly to make your hiring process faster and more efficient.

Here’s what HeyMilo adds on top:

• Engagement with candidates via SMS, WhatsApp and email
• AI-powered resume screening
• Phone, browser, audio and video interviews
• Detailed transcripts, scores, and responses are pushed to your ATS
• Candidates and recruiters have access to 24/7 multilingual built-in support
• Enterprise-grade compliance (SOC 2, GDPR, audit-ready)

To get started with integrating such tools to benefit your recruitment strategy, explore our solutions for ATS workflow automation or book a demo today!