Sierra AI Alternatives for Enterprise Voice AI

Teneo automates contact center voice at scale on top of your existing stack.

Teams comparing Sierra AI alternatives for enterprise voice want proven scale on the phone. Teneo runs as an AI layer on top of your existing contact center and orchestrates any CCaaS, including Genesys Cloud and Amazon Connect. It runs 17,000+ AI agents in production at 99% accuracy in intent and entity detection.

See It in Action

Contact Sales

Telefonica Logo
HelloFresh Logo
CGI Logo
Swisscom Logo

What Teneo brings to enterprise voice

Teneo combines Teneo Linguistic Modeling Language with large language models from providers such as OpenAI GPT and Anthropic Claude. That hybrid design holds 99% accuracy in intent and entity detection, cuts LLM costs by 98% and keeps output under control. It deploys in 60 days on top of your contact center.

Learn More

99% Accuracy with Teneo
Voice IVR: Pioneering the Next Era of Customer Engagement

Natural language voice

Customers speak naturally instead of pressing menu keys. Teneo voice agents understand intent and resolve the request, containing over 60% of contacts within a single call.

Teneo Conversational IVR: Generative AI

Hybrid AI Engine

Teneo Linguistic Modeling Language combined with large language models holds 99% accuracy in intent and entity detection and keeps output under control.

Teneo Conversational IVR - Plug-in for Any CCaaS

Native CCaaS Connectors

Pre-built integrations for Genesys Cloud and Amazon Connect. Enhance your existing stack without ripping and replacing.

Customer Speaks Naturally

No menus, no keypads. Customers describe their issue in their own words, and Teneo's Voice AI listens and understands intent instantly.

Learn more

AI Interprets with 99% Accuracy

Teneo Linguistic Modeling Language parses intent precisely, even with negation, accents and complex phrasing. Large language models add generative fluency while deterministic rules keep output under control.

Learn more

Resolved or Handed Off with Full Context

Routine issues resolved autonomously. Complex cases transfer to agents with complete conversation history, sentiment analysis, and suggested next steps.

Learn more

Telefónica automates voice at scale with Teneo

Telefónica replaced keypad menus with Teneo OpenQuestion, so customers describe what they need in natural language across four languages.

Read More

IVR case study

What is the best Sierra AI alternative for enterprise voice?

Teneo is built for high-volume voice automation. It runs as an AI layer on top of your existing contact center, reaches 99% accuracy and goes live in 60 days.

How is Teneo different from Sierra?

Teneo runs on top of your existing contact center and orchestrates any CCaaS, including Genesys Cloud and Amazon Connect. It pairs Teneo Linguistic Modeling Language with large language models for accuracy with output control.

Does Teneo match enterprise scale?

Teneo runs 17,000+ AI agents in production and handles 1 billion+ interactions a year, with peaks of 25 agent interactions per second.

Compare Teneo against Sierra AI

See how Teneo automates calls across your existing contact center.

Book a Demo