Side-by-side comparison of AI visibility scores, market position, and capabilities
SF YC W24 AI Artisans workforce automation at $5M ARR serving 120+ companies; $46M total ($25M Glade Brook/HubSpot Series A Apr 2025 + $11.5M seed) with Ava AI BDR competing with 11x for autonomous business development AI employees.
Artisan is a San Francisco-based AI workforce automation platform — backed by Y Combinator (W24) with $46 million in total funding including a $25 million Series A in April 2025 led by Glade Brook Capital with HubSpot Ventures, Y Combinator, and prior investors, following a $11.5 million seed in September 2024 — providing businesses with AI Artisans (specialized AI agents) that automate business development workflows, starting with Ava, an AI BDR that prospects, researches, and outreaches autonomously. Founded in 2023 by Jaspar Carmichael-Jack and Sam Stallings, Artisan achieved $5 million in annual recurring revenue serving 120+ companies with a 25-person team, ranking #39 on LinkedIn's Top Startups 2025 list.
Developer-first voice AI infrastructure API for building phone agents; low-latency streaming pipeline with multi-LLM and telephony support competing with Vapi for production voice applications.
Retell AI is a voice AI infrastructure platform providing APIs and tools for building conversational AI phone agents with low latency, natural turn-taking, and integration with major telephony providers and LLM providers. Founded in 2023 and headquartered in San Francisco, Retell AI has rapidly gained developer traction for its straightforward API, extensive documentation, and emphasis on production-grade reliability for AI voice applications in customer service, sales, and healthcare use cases.
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