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Best agent assist voice only vendors for contact center teams

We rank agent assist voice only companies using a variety of factors, including real-time transcription accuracy, integration capabilities, AI-powered automation, behavioral coaching features, data security, and customer support, to get you the perfect results for your company's needs.

128 companies ranked | Last updated: May 1, 2026

Which agent assist voice only vendors should buyers compare first?

Enterprise buyers should compare Mosaic Voice, LevelAI, and Cresta and other ranked agent assist voice only vendors by fit, capability evidence, implementation risk, and procurement readiness. Palomarr ranks suppliers to help buyers move from a broad market scan to a practical shortlist.

To shortlist Agent Assist Voice Only solutions, prioritize vendors offering real-time AI guidance, seamless integration with existing CX infrastructure, and proven ROI. Consider your organization's size and specific needs, such as advanced automation or deep conversation intelligence, to find the best fit.

  • Mosaic Voice is a strong contender for overall best value, offering robust AI-powered guidance and compliance tracking to improve conversation quality and efficiency. Verify its integration capabilities with your existing communication platforms and compliance with industry standards before shortlisting.
  • LevelAI is an excellent choice for small to mid-market businesses, providing human-quality AI for real-time guidance and automated quality assurance. Verify its integration requirements and compliance with security standards to ensure a seamless fit with your operations.
  • Cresta is ideal for large enterprises, offering AI-native solutions with real-time agent assistance and multilingual support for high-performance AI integration. Verify implementation timelines and compliance with your specific security standards to ensure a smooth deployment.
  • ObserveAI is best for mid-market businesses, enhancing customer interactions with AI agents that provide real-time guidance and compliance monitoring. Verify its compliance with industry regulations and integration capabilities with your existing contact center systems.

How companies earn their ranking

Agent Assist Voice Only companies earn high Capability scores by providing reliable, accurate, and seamlessly integrated solutions. Key factors include the maturity of their real-time transcription, the depth of their CRM and CCaaS integrations, and the breadth of their supported features. Innovation scores are driven by the adoption of generative AI for agentic actions, multimodal input analysis, and advanced behavioral coaching features.

Top-ranked companies demonstrate a proven ROI, showcasing hard dollar savings and improved agent performance. Vendors can improve their ranking by focusing on seamless integration, providing measurable results, and developing agentic capabilities that automate complex tasks. Prioritizing data security and compliance is also crucial for attracting enterprise clients.

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Want the full picture? Palomarr Insights explores the agent assist voice only space in depth and visualizes the companies based on metrics.
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Rankings

1
Best Overall Best Value
9.8 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.9 Innovation 9.7
2
Best for SMB
9.7 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.6 Innovation 9.8
3
Best for Enterprise
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.7 Innovation 9.5
4
Best for Mid-market
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.5 Innovation 9.7
5
9.5 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.6 Innovation 9.4
6
9.4 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.3 Innovation 9.5
7
9.3 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.4 Innovation 9.2
8
9.3 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.2 Innovation 9.4
9
9.2 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.3 Innovation 9.1
10
9.1 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.0 Innovation 9.2

Meet the leaders

Discover what makes each company unique. Use filters to narrow by your needs, or Find your perfect match to get personalized rankings tailored to your exact requirements.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Mosaic Voice provides AI-powered guidance and compliance tracking, making it ideal for contact centers focused on quality and efficiency.

Pricing posture

Moderate pricing level with a mid-tier cost structure.

Implementation/integration fit

Moderate implementation fit for small to mid-market customers.

What to verify

Verify integration capabilities and compliance with industry standards.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

LevelAI's human-quality AI enhances customer interactions with real-time guidance and automated quality assurance, suitable for various business sizes.

Pricing posture

Moderate pricing level with a mid-tier cost structure.

Implementation/integration fit

Complex implementation fit for small to large enterprises.

What to verify

Verify integration requirements and compliance with security standards.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Cresta's AI-native solutions provide real-time agent assistance and multilingual support, making it ideal for enterprises needing high-performance AI integration.

Pricing posture

Premium pricing level with a mid-tier cost structure.

Implementation/integration fit

Complex implementation fit for large enterprises with a focus on seamless integration.

What to verify

Verify implementation timelines and compliance with security standards.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum

Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum

Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum

Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum

Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum

Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum

Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum

Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

See how agent assist voice only suppliers stack up

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Capabilities Innovation

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