AI Briefing
KO

Blackbox AI

·2026.04.10 14:58

Key point

Blackbox AI adopted ElevenLabs to build more natural voice-based autonomous AI agents.

Details

Blackbox AI is developing autonomous voice-first agents that handle everything from coding to infrastructure management without human intervention. It currently serves over 30 million developers through two flagship products, Logger and Robocoder.

Previously, the company experimented with multiple AI providers, including OpenAI, but faced issues with unnatural conversation flow, a limited selection of only 10 voice options, and high costs when operating at scale.

Blackbox AI ultimately selected ElevenLabs through A/B testing. ElevenLabs offers the following strengths:

  • Superior conversation quality: Drives natural conversation flow and high user engagement
  • Extensive voice support: Supports over 5,000 diverse languages and accents
  • Scalable cost efficiency: A pricing model suited to supporting a large-scale user base of over 30 million users

ElevenLabs' technology has been integrated into both products as follows:

  • Logger: 24/7 monitoring of server logs, automatically calling engineers when failures occur and presenting solutions to the problem
  • Robocoder: Voice-based coding assistance and real-time code explanations via IDE, WhatsApp, and phone calls

As a result of this adoption, engineers' incident response speed has improved, onboarding for new developers has accelerated, and overall user retention and satisfaction have increased.

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