
Developer of an AI agent operating system for customer experiences
Official pages and third-party coverage in one index.
sierra.ai33 items across 18 mapped pages · Crawled Oct 1, 2026
Official pages and third-party coverage in one index
Build and scale highly effective agents with ease using Sierra’s Agent SDK.
Empower customer experience teams to build and manage agents—without writing a line of code. Set up customer journeys, configure knowledge, and define brand guidelines effortlessly.
Create consistent experiences across voice, chat, email, and more in 58 languages, available 24/7/365.
A more reliable inference layer for foundation models
Keep up to date with the latest insights and news from Sierra.
Sierra’s first-of-its-kind Agent Data Platform (ADP) gives agents memory, context, and intelligence — turning every interaction into a human, personalized experience. Powered by Agent OS, ADP helps companies move from answering questions to anticipating needs.
Sierra just hit $100M in ARR — seven quarters after we launched in February 2024. That’s a heck of a lot quicker than we expected, and makes Sierra one of the fastest-growing enterprise software companies in history.
Careers at Sierra
Who we are, and why we’re here.
Sierra helps businesses build better, more human customer experiences with AI.
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Sierra helps businesses build better, more human customer experiences with AI.
OpenAI is positioning ChatGPT as a place to discover, launch, and use third-party apps, aiming to disrupt the traditional app-store model. Its announced features include app suggestions in conversations, interactive extensions, and Sign in with ChatGPT, which lets users bring their identity and AI allowance to partner apps; 16 launch partners include Notion, Vercel, and Cognition’s Devin. OpenAI also introduces an enterprise marketplace with more than 30 partners, while its Dots agents can use a connected ecosystem of over 4,000 apps.
Sep 2026 · TechCrunchNews article
Town, an enterprise personal-agent company, is raising a round at a $1 billion valuation led by Index Ventures, according to sources cited by Newcomer. The report places the financing amid a surge of investor interest in personal assistants and identifies Index as a backer of Instinct.
Aug 2026 · NewcomerNews article
Instinct, a consumer AI assistant popular among Silicon Valley tech workers, is reportedly raising $250 million at a $2.5 billion valuation in a round co-led by Index Ventures and Benchmark. Led by CEO Noah Shinn, the company launched its invite-only beta in February; the assistant connects to apps such as Gmail to manage calendars, send emails, and automate multi-step workflows. Its terms allow it to train AI models on user data, drawing scrutiny, while Shinn says the team is addressing cybersecurity concerns.
Aug 2026 · SiliconANGLENews article
Omilia raises $67 million in a Series B led by Expedition Growth Capital to expand its customer-support automation platform. The Athens-based company says its annual recurring revenue has grown tenfold to $60 million since its 2020 funding round, and it serves Capital One, Discover, RBC, DWP, PSEG, and Taco Bell. It plans to open a U.S. office, expand its go-to-market team, and grow headcount from about 500 to 600 by year-end.
Aug 2026 · TechCrunchNews article