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SESTEK vs Voiceflow

SESTEK and Voiceflow are both chatbots & AI agents tools. SESTEK is aimed at enterprise, while Voiceflow is aimed at enterprise and small businesses. Only Voiceflow has a free plan.

SESTEK

Voice-first conversational AI and speech analytics for contact centers

Voiceflow

Build and deploy AI agents with a visual canvas

PricingPaidFreemium
Starting priceNot publishedNot published
Free planNoYes
Free trial—14 days
Built forEnterpriseEnterprise, Small businesses
Platformswebweb
CountryTR · 2000CA · 2018
Rating——

Choose SESTEK if

Large contact centers that need accurate voice AI and speech analytics, with the option to host everything on-premise.

  • Strong speech recognition for Turkish and regional dialects
  • On-premise option suits banks and regulated industries
  • Covers bots, agent assist and analytics in one vendor

Look elsewhere if: Small businesses wanting a quick self-serve chat widget (Tidio, Intercom, Ada).

Choose Voiceflow if

CX and product teams building controlled AI agents.

  • Fine control over agent behavior
  • Strong collaboration and testing
  • Multiple LLM providers

Look elsewhere if: Small businesses wanting a quick no-setup bot (Chatbase, Tidio Lyro).

SESTEK vs Voiceflow pricing

SESTEK

  • EnterpriseCustomProject-based quote; cloud, hybrid or on-prem deployment

Voiceflow

    SESTEK · Key features

    • AI voice and chat agents that resolve requests end to end
    • In-house speech recognition and text to speech engines
    • Agent Assist and Agent Copilot with live guidance during calls
    • Conversational analytics with emotion detection and keyword spotting
    • Automated quality management that scores 100% of interactions
    • Coaching module tied to quality scores for each agent

    Cons

    • No public pricing, free tier or self-serve trial
    • Enterprise project timelines rather than quick setup
    • Product naming shifted between Knovvu and SESTEK branding

    Voiceflow · Key features

    • Visual canvas for agent workflows
    • Knowledge base with retrieval
    • Functions and API integrations
    • Testing, transcripts and analytics
    • Deploy to chat, voice and help desks
    • Team collaboration and versioning

    Cons

    • Editor-based pricing
    • Learning curve for complex flows
    • Credits consumption to watch

    SESTEK vs Voiceflow: FAQ

    Do SESTEK and Voiceflow have a free plan?

    SESTEK has no free plan. Voiceflow has a free plan.

    Which is better for small businesses, SESTEK or Voiceflow?

    Voiceflow lists small businesses as a core audience, while SESTEK is aimed more at enterprise.

    Not sure yet?